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[Amel Yacht Owners] illustration of the Galvanic Isolator Installation


Alexandre Uster von Baar
 

For the new owners like myself who are intimidated by the installation of new equipment, I illustrated the “installation of the Galvanic Isolator”.

This also helped me to understand better some of the electrical system (up to a point).

This might look a little different than your own installation as I have the optional 110 to 220 volt transformer in the engine room.

Would love to hear back from Olivier and other to make sure it is correct!

Here is the link: 
http://nikimat.com/galvanic_isolator.html

For low bandwidth user, the document is split in 4 sections.

If bandwidth is not an issue, there is also the full version (49 pictures). 


Sincerely, Alexandre
SM2K #289 NIKIMAT
Club Nautico de San Juan, Puerto Rico


Derick Gates
 

Alexandre,

Nicely illustrated, as always.  Thank you for the instructive pictures!

I note that the way you have hooked up the galvanic isolator, only the 230V shore line is isolated.  The 110V shore line is not (yet) protected.  You can protect the 110V shore line using the same isolator by hooking it up similarly simultaneously.  Disconnect the 110V ground from the common post in the box, and connect it to the input side of the galvanic isolator using the same connection point as the 230V shore ground and you have done it!  (I.e. Change your 2-wire connector to a three-wire connector.)

That way you are protected no matter which shore line you use!

Derick Gates
SM2K#400
Currently on the hard in Antigua for hurricane season


Alexandre Uster von Baar
 

Good afternoon Derick,

Thanks for the compliment and also to pay attention to the details!!!

You are totally correct, currently only the 220 volt is connected.
Electricity is my weakest subject, so building confidence!

I was just thinking last night the same thing you mentioned!
The 110 Volt earth should fit inside the electric “domino”.

My 110 volt doesn’t have any shore plug… I need to open the box and look at what color cable I have and see where they go.

Do you have both shore power?
If so what good options could be good to have?

I assume the 30 A 125 Volt?
http://www.frugal-mariner.com/images/img0565.png

Does any of you have other plug for European, South American, etc. Marinas?

Once I take the pictures, i will make a post just for it.

Thanks again, sincerely, Alexandre
SM2K #289 NIKIMAT
Club Nautico de San Juan, Puerto Rico






--------------------------------------------

On Tue, 8/16/16, derickgates@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Tuesday, August 16, 2016, 1:23 PM


 









Alexandre,
Nicely illustrated, as always.
 Thank you for the instructive pictures!
I note that the way you have hooked
up the galvanic isolator, only the 230V shore line is
isolated.  The 110V shore line is not (yet) protected.
 You can protect the 110V shore line using the same
isolator by hooking it up similarly simultaneously.
 Disconnect the 110V ground from the common post in the
box, and connect it to the input side of the galvanic
isolator using the same connection point as the 230V shore
ground and you have done it!  (I.e. Change your 2-wire
connector to a three-wire connector.)
That way you are protected no matter
which shore line you use!
Derick
GatesSM2K#400Currently on the hard in
Antigua for hurricane season









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Derick Gates
 

Alexandre,

My boat was the U.S. Demonstration boat, originally owned by Joel Potter.  Like yours, it was fitted out with the 110V to 230V transformer.  The plug on the end of the 110V shore cable is like the one you have illustrated.  Originally I used this cable in Saint Thomas, being a U.S. territory.  Then I set up a short linker cable that could be attached to the European 3-prong plug on the 230V cable supplied by Amel, and convert it to a standard U.S. 220V plug.  That 230V cable is now my standard to connect to shore power, with the adaptor linker (in the U.S. And the BVI and Antigua and Saint Lucia) or without the adaptor linker in Guadeloupe and Martinique.

Previous owners have gotten me well supplied with additional short linker cables to allow connection to other types of plugs.  

If you have not used your transformer yet, be aware that although it will create 230Volts from 110Volts, it DOES NOT CHANGE THE FREQUENCY.  That is to say, if the 110 Volt shore power is 60 Hz, which would be standard, you cannot run the dishwasher, clothes washer, or Dessalator because they require 50Hz.

Also note that while you can add an adaptor plug that will feed you 50 or more amps, the Amel wiring was set up to take a maximum of 32 amps.  I know you have recently installed a meter to measure the amps and watts being consumed via shore power, so you should have no trouble monitoring this.  Even so, be sure not to leave your "extra" cable tightly coiled because it will generate a lot of heat at 16 to 30 amps, enough to melt the insulation - ask me how I know this...

Derick Gates
SM2K#400
Currently on the hard in Antigua for hurricane season


Alexandre Uster von Baar
 

Good afternoon Derick,

Thanks for your reply!
Ok, glad to know the plug fitted on your is the 30 A 125 Volt, I am likely to do the same.

I did the same, I attached an extension from the European 3-Prong plug to the 125/250 Volt 50 Amp shore power plug.
So far this is only what I have been using, but in Dominican Republic I was closed to have to use a 110 Volt shore power and was not ready for it.

Thanks for reminding me, but I am very aware the frequency will remain the same (plus my newly installed Blue Sea AC multimeter will confirm the frequency).
I am also aware that I will loose half the Amp and that when I connect to a 30 Amp 110 Volt shore power, I will get 15 Amp at 220 Volt, another great use of the Blue Sea AC multimeter !!!

I was aware about the 32 amp limit, BUT I don’t understand the: “be sure not to leave your "extra" cable tightly coiled because it will generate a lot of heat at 16 to 30 amps, enough to melt the insulation”. Could you please tell me more? On or off forum? I don’t want to make mistake…

Also, very curious about your “other” short linker cables… which one are they.

I will post tomorrow some pictures of the plugs I have, some I have no clue…

Thanks again for your reply Derick !!!

Sincerely, Alexandre




--------------------------------------------

On Tue, 8/16/16, derickgates@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Tuesday, August 16, 2016, 3:03 PM


 









Alexandre,
My
boat was the U.S. Demonstration boat, originally owned by
Joel Potter.  Like yours, it was fitted out with the 110V
to 230V transformer.  The plug on the end of the 110V shore
cable is like the one you have illustrated.  Originally I
used this cable in Saint Thomas, being a U.S. territory.
 Then I set up a short linker cable that could be attached
to the European 3-prong plug on the 230V cable supplied by
Amel, and convert it to a standard U.S. 220V plug.  That
230V cable is now my standard to connect to shore power,
with the adaptor linker (in the U.S. And the BVI and Antigua
and Saint Lucia) or without the adaptor linker in Guadeloupe
and Martinique.
Previous owners have gotten me well
supplied with additional short linker cables to allow
connection to other types of plugs.  
If you have not used your
transformer yet, be aware that although it will create
230Volts from 110Volts, it DOES NOT CHANGE THE FREQUENCY.
 That is to say, if the 110 Volt shore power is 60 Hz,
which would be standard, you cannot run the dishwasher,
clothes washer, or Dessalator because they require
50Hz.
Also note that
while you can add an adaptor plug that will feed you 50 or
more amps, the Amel wiring was set up to take a maximum of
32 amps.  I know you have recently installed a meter to
measure the amps and watts being consumed via shore power,
so you should have no trouble monitoring this.  Even so, be
sure not to leave your "extra" cable tightly
coiled because it will generate a lot of heat at 16 to 30
amps, enough to melt the insulation - ask me how I know
this...
Derick
GatesSM2K#400Currently on the hard in
Antigua for hurricane season









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karkauai
 

Hi Alex,
Your #289 is fairly close to my #243.

I'm not on the boat, so writing this from memory.  If I've left something out or am still clueless about something, please chime in.

 If Nikimat is like Kristy, the 110AC shore power will go directly to a box on the forward bulkhead, up against the cockpit floor.  It terminates at a 110AC 30A breaker there.  From the breaker, it goes to your 110->220 AC transformer.  On Kristy the transformer is a cubical box on the forward end of the shelf above the generator.
The converted 220AC power output (which will be the same frequency as the input, 60Hz) then goes back to the box on the bulkhead to a female plug marked "220 via the transformer" (sorry, it's inFrench and I can't remember it exactly).  To use 110 shore power, you have to insert the male plug in this receptacle. (For 220 shore power it has to be plugged into the other receptacle on the front of that box marked 2"20AC Sur Le Quai".
From either receptacle, it then goes to the automatic switch which chooses generator power over shore power.  This is above the generator. I don't remember how it is marked.  There is another box near there marked 220AC that has the relays for the Air Conditioners that turn on the 220AC raw water pump which cools all three A/C units.
From that automatic switch, all 220AC power goes to the 220 breakers in the galley.

If you have a 220 inverter, power goes from it to the 220 panel receptacles and microwave breakers.  I think others have a little different set up with the inverter.

In a post a year or so ago, Olivier suggested that you could cover both 220AC and 110AC shore power by putting the galvanic isolator in the ground wire that goes from the box on the forward bulkhead in the engine room to the automatic switch above the generator.  My understanding is that the 110->220 transformer is an "isolation transformer", and having it between the shore power and the galvanic isolator is not a problem.  The only other item that is between shore power and the galvanic isolator with this placement is the 110 breaker in the box on the forward engine room bulkhead.

Hop that helps
Kent
SM243
Kristy


On Aug 16, 2016, at 2:58 PM, Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Good afternoon Derick,

Thanks for the compliment and also to pay attention to the details!!!

You are totally correct, currently only the 220 volt is connected.
Electricity is my weakest subject, so building confidence!

I was just thinking last night the same thing you mentioned!
The 110 Volt earth should fit inside the electric “domino”.

My 110 volt doesn’t have any shore plug… I need to open the box and look at what color cable I have and see where they go.

Do you have both shore power?
If so what good options could be good to have?

I assume the 30 A 125 Volt?
http://www.frugal-mariner.com/images/img0565.png

Does any of you have other plug for European, South American, etc. Marinas?

Once I take the pictures, i will make a post just for it.

Thanks again, sincerely, Alexandre
SM2K #289 NIKIMAT
Club Nautico de San Juan, Puerto Rico

--------------------------------------------
On Tue, 8/16/16, derickgates@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Tuesday, August 16, 2016, 1:23 PM


 









Alexandre,
Nicely illustrated, as always.
 Thank you for the instructive pictures!
I note that the way you have hooked
up the galvanic isolator, only the 230V shore line is
isolated.  The 110V shore line is not (yet) protected.
 You can protect the 110V shore line using the same
isolator by hooking it up similarly simultaneously.
 Disconnect the 110V ground from the common post in the
box, and connect it to the input side of the galvanic
isolator using the same connection point as the 230V shore
ground and you have done it!  (I.e. Change your 2-wire
connector to a three-wire connector.)
That way you are protected no matter
which shore line you use!
Derick
GatesSM2K#400Currently on the hard in
Antigua for hurricane season









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Alexandre Uster von Baar
 

Good morning Kent,

Our vessel are similar.

And if you look at all the pictures I posted, especially Part 2, you will see I trace the wires to the automatic switch above the genset as this is where I remember Olivier mentioned to connect the Galvanic Isolator.

Therefore, that box “intimidates” me… and I felt logical to connect the Galvanic Isolator to the very first connection (which is the box on top of the forward bulkhead).
If I did not had that box, then the first connection would have been the automatic switch above the genset.

As Derick mentioned and was thinking the other night: currently the 110 shore power is not protected.
Not a problem as I don’t use the 100 volt power.
By Connecting its earth to the domino, it will be.
And the Big cubical white transformer will be after and not before the Galvanic Isolator.

Would love to hear back from Olivier on my set-up

Alexandre



--------------------------------------------

On Tue, 8/16/16, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Tuesday, August 16, 2016, 6:10 PM


 









Hi Alex,Your #289 is fairly
close to my #243.
I'm not on the
boat, so writing this from memory.  If I've left
something out or am still clueless about something, please
chime in.
 If Nikimat is like
Kristy, the 110AC shore power will go directly to a box on
the forward bulkhead, up against the cockpit floor.  It
terminates at a 110AC 30A breaker there.  From the breaker,
it goes to your 110->220 AC transformer.  On Kristy the
transformer is a cubical box on the forward end of the shelf
above the generator.The converted 220AC
power output (which will be the same frequency as the input,
60Hz) then goes back to the box on the bulkhead to a female
plug marked "220 via the transformer" (sorry,
it's inFrench and I can't remember it exactly).  To
use 110 shore power, you have to insert the male plug in
this receptacle. (For 220 shore power it has to be plugged
into the other receptacle on the front of that box marked
2"20AC Sur Le Quai".From either receptacle,
it then goes to the automatic switch which chooses generator
power over shore power.  This is above the generator. I
don't remember how it is marked.  There is another box
near there marked 220AC that has the relays for the Air
Conditioners that turn on the 220AC raw water pump which
cools all three A/C units.From that automatic
switch, all 220AC power goes to the 220 breakers in the
galley.
If you have a 220
inverter, power goes from it to the 220 panel receptacles
and microwave breakers.  I think others have a little
different set up with the inverter.
In a post a year or so
ago, Olivier suggested that you could cover both 220AC and
110AC shore power by putting the galvanic isolator in the
ground wire that goes from the box on the forward bulkhead
in the engine room to the automatic switch above the
generator.  My understanding is that the 110->220
transformer is an "isolation transformer", and
having it between the shore power and the galvanic isolator
is not a problem.  The only other item that is between
shore power and the galvanic isolator with this placement is
the 110 breaker in the box on the forward engine room
bulkhead.
Hop that
helpsKentSM243Kristy

Sent from my
iPhone
On Aug 16, 2016, at 2:58
PM, Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@...>
wrote:
















 






Good afternoon Derick,



Thanks for the compliment and also to pay attention to the
details!!!



You are totally correct, currently only the 220 volt is
connected.

Electricity is my weakest subject, so building confidence!




I was just thinking last night the same thing you mentioned!


The 110 Volt earth should fit inside the electric
“domino”.



My 110 volt doesn’t have any shore plug… I need to open
the box and look at what color cable I have and see where
they go.



Do you have both shore power?

If so what good options could be good to have?



I assume the 30 A 125 Volt?

http://www.frugal-mariner.com/images/img0565.png



Does any of you have other plug for European, South
American, etc. Marinas?



Once I take the pictures, i will make a post just for it.



Thanks again, sincerely, Alexandre

SM2K #289 NIKIMAT

Club Nautico de San Juan, Puerto Rico



--------------------------------------------

On Tue, 8/16/16, derickgates@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 1:23 PM





 



















Alexandre,

Nicely illustrated, as always.

 Thank you for the instructive pictures!

I note that the way you have hooked

up the galvanic isolator, only the 230V shore line is

isolated.  The 110V shore line is not (yet) protected.

 You can protect the 110V shore line using the same

isolator by hooking it up similarly simultaneously.

 Disconnect the 110V ground from the common post in the

box, and connect it to the input side of the galvanic

isolator using the same connection point as the 230V
shore

ground and you have done it!  (I.e. Change your 2-wire

connector to a three-wire connector.)

That way you are protected no matter

which shore line you use!

Derick

GatesSM2K#400Currently on the hard in

Antigua for hurricane season



















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svperegrinus@yahoo.com
 

With regard to the 32A limitation on Super Maramu, and having had the original Amel black wire catch of fire quite spectacularly in 2013 (fortunately at a point about 2 metres away from the hull) here's how we tried to tackle the problem to prevent future incidents:

1.  A 30A breaker was installed inside the lazarette at the point where shore power comes in (just aft and above the propane locker)

2.  The replacement cable for the burnt-up Amel black cable is the 50A standard US-yellow.  The higher capacity should help ensure a bit more survivability as the years go by.

3.  The replacement cable ends in a standard yellow US 30A/125V connector, 30A overall being the ceiling for the boat and 125V being actually acceptable for the Mastervolt battery chargers.

4.  In order to connect to a US-style standard 50A/220V marine outlet, we are forced to use an adapter we built: a weatherproof box with a 30A breaker inside.  On the shore-side, there is a pigtail with a male plug for the 50A outlet.  On the side going to the boat's power cable, there is pigtail with a connector for the boat's 30A/125V plug.

In Europe, we have two adaptors: 
A.  A 25-ft extension connects our yellow 30A plug to the Euro blue 16A connector
B.  A pigtail connects our yellow 30A plug to the Euro blue 32A connector

Cheerio,

Peregrinus
SM2K Nr. 350
At anchor, Rada di Mezzo Schiffo (Nelson's Bay), Sardinia
 


Alexandre Uster von Baar
 

Good morning Francisco,

Did you determine the cause of the failure?
Was too much load on the wire? Was it old?

Sincerely, Alexandre




--------------------------------------------

On Wed, 8/17/16, svperegrinus@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 7:52 AM


 









With regard to the 32A limitation on Super Maramu,
and having had the original Amel black wire catch of fire
quite spectacularly in 2013 (fortunately at a point about 2
metres away from the hull) here's how we tried to tackle
the problem to prevent future incidents:
1.  A 30A breaker was installed
inside the lazarette at the point where shore power comes in
(just aft and above the propane locker)
2.  The replacement cable for the
burnt-up Amel black cable is the 50A standard US-yellow.
 The higher capacity should help ensure a bit more
survivability as the years go by.
3.  The replacement cable ends in a
standard yellow US 30A/125V connector, 30A overall being the
ceiling for the boat and 125V being actually acceptable for
the Mastervolt battery chargers.
4.  In order to connect to a
US-style standard 50A/220V marine outlet, we are forced to
use an adapter we built: a weatherproof box with a 30A
breaker inside.  On the shore-side, there is a pigtail with
a male plug for the 50A outlet.  On the side going to the
boat's power cable, there is pigtail with a connector
for the boat's 30A/125V plug.
In Europe, we have two
adaptors: A.  A 25-ft extension connects our
yellow 30A plug to the Euro blue 16A connectorB.
 A pigtail connects our yellow 30A plug to the Euro blue
32A connector
Cheerio,
PeregrinusSM2K
Nr. 350At anchor, Rada di Mezzo Schiffo
(Nelson's Bay), Sardinia


svperegrinus@yahoo.com
 

Hello Alexandre,

According to the electrician, the cable failed due to old age in the marine environment.  

I had previously noticed the cable got warm when under load.  On this particularly hot day when the cable failed, we had arrived back into dock about 30 minutes before, after being out at anchor for two days or so, and so the boat was charging batteries, plus we had three air conditioners on.  We had all hatches closed, including the companionway.

Our neighbour was cleaning his boat when he saw our cable in flames.  He shouted "fire," "fire," and ran for an extinguisher.  We heard his cries and rushed into the cockpit.  I saw the end of the episode:

The cable was flat on a dock surface, and it was spewing out fire and sparks perpendicularly to its length  with a flame length of 3 feet (1 metre) or more.

Then just as I was thinking of running to the dock breaker, the fire fizzled on its own just as the neighbour arrived with a large fire extinguisher in his hand.  By this time, all power to the boat was already off.

I wanted the electrician to replace all the power cable including to the 230V box in the engine room, and he looked into it, but reported to me that it looked very difficult or impossible.  He said that besides, the section of the cable enclosed inside the boat, being immobile, dry and shaded, wasn't likely to fail. 
 
In any event, hull No. 350 had an unused pigtail right next to the failed cable, by the propane locker: apparently, a whole second cable, perhaps to be used in 110V installations?  As this unused cable was found to have continuity/end at the 230V box anyway, the new cable connects into the formerly unused cable, and the end of the originally used cable was left in a pigtail in its stead.

Cheers,

Peregrinus
SM2K N. 350
At anchor, Sardinia


karkauai
 

Hi again Alex.I've been told that the 110-220V transformer is an isolated transformer and thus doesn't need to be protected by a galvanic isolator.  Maybe someone can expound on that theory.  If it's true, your 110VAC shore power may already be protected????Kent


From: "Alexandre Uster von Baar uster@... [amelyachtowners]" <amelyachtowners@...>
To: amelyachtowners@...
Sent: Wednesday, August 17, 2016 8:15 AM
Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation

  Good morning Kent,

Our vessel are similar.

And if you look at all the pictures I posted, especially Part 2, you will see I trace the wires to the automatic switch above the genset as this is where I remember Olivier mentioned to connect the Galvanic Isolator.

Therefore, that box “intimidates” me… and I felt logical to connect the Galvanic Isolator to the very first connection (which is the box on top of the forward bulkhead).
If I did not had that box, then the first connection would have been the automatic switch above the genset.

As Derick mentioned and was thinking the other night: currently the 110 shore power is not protected.
Not a problem as I don’t use the 100 volt power.
By Connecting its earth to the domino, it will be.
And the Big cubical white transformer will be after and not before the Galvanic Isolator.

Would love to hear back from Olivier on my set-up

Alexandre

--------------------------------------------
On Tue, 8/16/16, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Tuesday, August 16, 2016, 6:10 PM


 









Hi Alex,Your #289 is fairly
close to my #243.
I'm not on the
boat, so writing this from memory.  If I've left
something out or am still clueless about something, please
chime in.
 If Nikimat is like
Kristy, the 110AC shore power will go directly to a box on
the forward bulkhead, up against the cockpit floor.  It
terminates at a 110AC 30A breaker there.  From the breaker,
it goes to your 110->220 AC transformer.  On Kristy the
transformer is a cubical box on the forward end of the shelf
above the generator.The converted 220AC
power output (which will be the same frequency as the input,
60Hz) then goes back to the box on the bulkhead to a female
plug marked "220 via the transformer" (sorry,
it's inFrench and I can't remember it exactly).  To
use 110 shore power, you have to insert the male plug in
this receptacle. (For 220 shore power it has to be plugged
into the other receptacle on the front of that box marked
2"20AC Sur Le Quai".From either receptacle,
it then goes to the automatic switch which chooses generator
power over shore power.  This is above the generator. I
don't remember how it is marked.  There is another box
near there marked 220AC that has the relays for the Air
Conditioners that turn on the 220AC raw water pump which
cools all three A/C units.From that automatic
switch, all 220AC power goes to the 220 breakers in the
galley.
If you have a 220
inverter, power goes from it to the 220 panel receptacles
and microwave breakers.  I think others have a little
different set up with the inverter.
In a post a year or so
ago, Olivier suggested that you could cover both 220AC and
110AC shore power by putting the galvanic isolator in the
ground wire that goes from the box on the forward bulkhead
in the engine room to the automatic switch above the
generator.  My understanding is that the 110->220
transformer is an "isolation transformer", and
having it between the shore power and the galvanic isolator
is not a problem.  The only other item that is between
shore power and the galvanic isolator with this placement is
the 110 breaker in the box on the forward engine room
bulkhead.
Hop that
helpsKentSM243Kristy

Sent from my
iPhone
On Aug 16, 2016, at 2:58
PM, Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@...>
wrote:
















 






Good afternoon Derick,



Thanks for the compliment and also to pay attention to the
details!!!



You are totally correct, currently only the 220 volt is
connected.

Electricity is my weakest subject, so building confidence!




I was just thinking last night the same thing you mentioned!


The 110 Volt earth should fit inside the electric
“domino”.



My 110 volt doesn’t have any shore plug… I need to open
the box and look at what color cable I have and see where
they go.



Do you have both shore power?

If so what good options could be good to have?



I assume the 30 A 125 Volt?

http://www.frugal-mariner.com/images/img0565.png



Does any of you have other plug for European, South
American, etc. Marinas?



Once I take the pictures, i will make a post just for it.



Thanks again, sincerely, Alexandre

SM2K #289 NIKIMAT

Club Nautico de San Juan, Puerto Rico



--------------------------------------------

On Tue, 8/16/16, derickgates@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 1:23 PM





 



















Alexandre,

Nicely illustrated, as always.

 Thank you for the instructive pictures!

I note that the way you have hooked

up the galvanic isolator, only the 230V shore line is

isolated.  The 110V shore line is not (yet) protected.

 You can protect the 110V shore line using the same

isolator by hooking it up similarly simultaneously.

 Disconnect the 110V ground from the common post in the

box, and connect it to the input side of the galvanic

isolator using the same connection point as the 230V
shore

ground and you have done it!  (I.e. Change your 2-wire

connector to a three-wire connector.)

That way you are protected no matter

which shore line you use!

Derick

GatesSM2K#400Currently on the hard in

Antigua for hurricane season



















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Alexandre Uster von Baar
 

Hello Franscisco,

What a terrible story… I would have been petrified…

Just as I was reading your previous post, I wanted to say I would have preferred changing the cable until the 230 volt box in the engine room, but definitely a difficult job, on the other hand it is correct the section is protected.

If you have the 2nd (little thicker) cable like this one
http://nikimat.com/galvanic_isolator/shore_power_tracing_3.jpg
then this is the 110 Volt cable

Meaning you also have that box
http://nikimat.com/galvanic_isolator/shore_power_tracing_19.jpg

And the big transformer:
http://nikimat.com/galvanic_isolator/shore_power_tracing_27.jpg

Thanks for sharing your scary story…
Alexandre



--------------------------------------------

On Wed, 8/17/16, svperegrinus@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 9:16 AM


 









Hello Alexandre,
According to the electrician, the
cable failed due to old age in the marine environment.
 
I had previously
noticed the cable got warm when under load.  On this
particularly hot day when the cable failed, we had arrived
back into dock about 30 minutes before, after being out at
anchor for two days or so, and so the boat was charging
batteries, plus we had three air conditioners on.  We had
all hatches closed, including the
companionway.
Our
neighbour was cleaning his boat when he saw our cable in
flames.  He shouted "fire," "fire," and
ran for an extinguisher.  We heard his cries and rushed
into the cockpit.  I saw the end of the
episode:
The cable was flat on a dock
surface, and it was spewing out fire and sparks
perpendicularly to its length  with a flame length of 3
feet (1 metre) or more.
Then just as I was thinking
of running to the dock breaker, the fire fizzled on its own
just as the neighbour arrived with a large fire extinguisher
in his hand.  By this time, all power to the boat was
already off.
I wanted the
electrician to replace all the power cable including to the
230V box in the engine room, and he looked into it, but
reported to me that it looked very difficult or impossible.
 He said that besides, the section of the cable enclosed
inside the boat, being immobile, dry and shaded, wasn't
likely to fail.  In any event, hull
No. 350 had an unused pigtail right next to the failed
cable, by the propane locker: apparently, a whole second
cable, perhaps to be used in 110V installations?  As this
unused cable was found to have continuity/end at the 230V
box anyway, the new cable connects into the formerly unused
cable, and the end of the originally used cable was left in
a pigtail in its stead.
Cheers,
PeregrinusSM2K
N. 350At anchor,
Sardinia










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Alexandre Uster von Baar
 

Hello Kent,

Hum, ok.
Well, would love to hear back from Olivier or Joel on that…

Thanks again, sincerely, Alexandre



--------------------------------------------

On Wed, 8/17/16, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: "amelyachtowners@..." <amelyachtowners@...>
Date: Wednesday, August 17, 2016, 9:22 AM


 









Hi
again Alex.I've
been told that the 110-220V transformer is an isolated
transformer and thus doesn't need to be protected by a
galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore power may
already be protected????Kent




From: "Alexandre
Uster von Baar uster@... [amelyachtowners]"
<amelyachtowners@...>

To:
amelyachtowners@...
Sent: Wednesday, August
17, 2016 8:15 AM
Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation


 









Good
morning Kent,



Our vessel are similar.



And if you look at all the pictures I posted, especially
Part 2, you will see I trace the wires to the automatic
switch above the genset as this is where I remember Olivier
mentioned to connect the Galvanic Isolator.



Therefore, that box “intimidates” me… and I felt
logical to connect the Galvanic Isolator to the very first
connection (which is the box on top of the forward
bulkhead).

If I did not had that box, then the first connection would
have been the automatic switch above the genset.



As Derick mentioned and was thinking the other night:
currently the 110 shore power is not protected.

Not a problem as I don’t use the 100 volt power.

By Connecting its earth to the domino, it will be.

And the Big cubical white transformer will be after and not
before the Galvanic Isolator.



Would love to hear back from Olivier on my set-up



Alexandre



--------------------------------------------

On Tue, 8/16/16, Kent Robertson karkauai@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 6:10 PM





 



















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If I've left

something out or am still clueless about something,
please

chime in.

 If Nikimat is like

Kristy, the 110AC shore power will go directly to a box
on

the forward bulkhead, up against the cockpit floor.  It

terminates at a 110AC 30A breaker there.  From the
breaker,

it goes to your 110->220 AC transformer.  On Kristy
the

transformer is a cubical box on the forward end of the
shelf

above the generator.The converted 220AC

power output (which will be the same frequency as the
input,

60Hz) then goes back to the box on the bulkhead to a
female

plug marked "220 via the transformer" (sorry,

it's inFrench and I can't remember it exactly).
 To

use 110 shore power, you have to insert the male plug in

this receptacle. (For 220 shore power it has to be
plugged

into the other receptacle on the front of that box
marked

2"20AC Sur Le Quai".From either receptacle,

it then goes to the automatic switch which chooses
generator

power over shore power.  This is above the generator. I

don't remember how it is marked.  There is another
box

near there marked 220AC that has the relays for the Air

Conditioners that turn on the 220AC raw water pump which

cools all three A/C units.From that automatic

switch, all 220AC power goes to the 220 breakers in the

galley.

If you have a 220

inverter, power goes from it to the 220 panel
receptacles

and microwave breakers.  I think others have a little

different set up with the inverter.

In a post a year or so

ago, Olivier suggested that you could cover both 220AC
and

110AC shore power by putting the galvanic isolator in
the

ground wire that goes from the box on the forward
bulkhead

in the engine room to the automatic switch above the

generator.  My understanding is that the 110->220

transformer is an "isolation transformer", and

having it between the shore power and the galvanic
isolator

is not a problem.  The only other item that is between

shore power and the galvanic isolator with this placement
is

the 110 breaker in the box on the forward engine room

bulkhead.

Hop that

helpsKentSM243Kristy



Sent from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von Baar uster@...

[amelyachtowners]
<amelyachtowners@...>

wrote:

































 













Good afternoon Derick,







Thanks for the compliment and also to pay attention to
the

details!!!







You are totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so building confidence!










I was just thinking last night the same thing you
mentioned!





The 110 Volt earth should fit inside the electric

“domino”.







My 110 volt doesn’t have any shore plug… I need to
open

the box and look at what color cable I have and see
where

they go.







Do you have both shore power?



If so what good options could be good to have?







I assume the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other plug for European, South

American, etc. Marinas?







Once I take the pictures, i will make a post just for
it.







Thanks again, sincerely, Alexandre



SM2K #289 NIKIMAT



Club Nautico de San Juan, Puerto Rico







--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners]
<amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration of the

Galvanic Isolator Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 







































Alexandre,



Nicely illustrated, as always.



 Thank you for the instructive pictures!



I note that the way you have hooked



up the galvanic isolator, only the 230V shore line is



isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using the same



isolator by hooking it up similarly simultaneously.



 Disconnect the 110V ground from the common post in
the



box, and connect it to the input side of the galvanic



isolator using the same connection point as the 230V

shore



ground and you have done it!  (I.e. Change your 2-wire



connector to a three-wire connector.)



That way you are protected no matter



which shore line you use!



Derick



GatesSM2K#400Currently on the hard in



Antigua for hurricane season







































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Mike Johnson
 

Hi,
My understanding is that if an 'isolation transformer' at the first point of entry to the boat then a galvanic isolator us not required as there is no potentional earth return circuit between the boat and shore power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for preventing galvanic corrosion but also the most expensive and heaviest.
Regards
Mike & Peta
SM 2K 461Solitude

On Wed, Aug 17, 2016 at 3:27 PM +0100, "Kent Robertson karkauai@... [amelyachtowners]" <amelyachtowners@...> wrote:

























 











Hi again Alex.I've been told that the 110-220V transformer is an isolated transformer and thus doesn't need to be protected by a galvanic isolator.  Maybe someone can expound on that theory.  If it's true, your 110VAC shore power may already be protected????Kent


From: "Alexandre Uster von Baar uster@... [amelyachtowners]" <amelyachtowners@...>
To: amelyachtowners@...
Sent: Wednesday, August 17, 2016 8:15 AM
Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation


 









Good morning Kent,



Our vessel are similar.



And if you look at all the pictures I posted, especially Part 2, you will see I trace the wires to the automatic switch above the genset as this is where I remember Olivier mentioned to connect the Galvanic Isolator.



Therefore, that box “intimidates” me… and I felt logical to connect the Galvanic Isolator to the very first connection (which is the box on top of the forward bulkhead).

If I did not had that box, then the first connection would have been the automatic switch above the genset.



As Derick mentioned and was thinking the other night: currently the 110 shore power is not protected.

Not a problem as I don’t use the 100 volt power.

By Connecting its earth to the domino, it will be.

And the Big cubical white transformer will be after and not before the Galvanic Isolator.



Would love to hear back from Olivier on my set-up



Alexandre



--------------------------------------------

On Tue, 8/16/16, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:



Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 6:10 PM





 



















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If I've left

something out or am still clueless about something, please

chime in.

 If Nikimat is like

Kristy, the 110AC shore power will go directly to a box on

the forward bulkhead, up against the cockpit floor.  It

terminates at a 110AC 30A breaker there.  From the breaker,

it goes to your 110->220 AC transformer.  On Kristy the

transformer is a cubical box on the forward end of the shelf

above the generator.The converted 220AC

power output (which will be the same frequency as the input,

60Hz) then goes back to the box on the bulkhead to a female

plug marked "220 via the transformer" (sorry,

it's inFrench and I can't remember it exactly).  To

use 110 shore power, you have to insert the male plug in

this receptacle. (For 220 shore power it has to be plugged

into the other receptacle on the front of that box marked

2"20AC Sur Le Quai".From either receptacle,

it then goes to the automatic switch which chooses generator

power over shore power.  This is above the generator. I

don't remember how it is marked.  There is another box

near there marked 220AC that has the relays for the Air

Conditioners that turn on the 220AC raw water pump which

cools all three A/C units.From that automatic

switch, all 220AC power goes to the 220 breakers in the

galley.

If you have a 220

inverter, power goes from it to the 220 panel receptacles

and microwave breakers.  I think others have a little

different set up with the inverter.

In a post a year or so

ago, Olivier suggested that you could cover both 220AC and

110AC shore power by putting the galvanic isolator in the

ground wire that goes from the box on the forward bulkhead

in the engine room to the automatic switch above the

generator.  My understanding is that the 110->220

transformer is an "isolation transformer", and

having it between the shore power and the galvanic isolator

is not a problem.  The only other item that is between

shore power and the galvanic isolator with this placement is

the 110 breaker in the box on the forward engine room

bulkhead.

Hop that

helpsKentSM243Kristy



Sent from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von Baar uster@...

[amelyachtowners] <amelyachtowners@...>

wrote:

































 













Good afternoon Derick,







Thanks for the compliment and also to pay attention to the

details!!!







You are totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so building confidence!









I was just thinking last night the same thing you mentioned!





The 110 Volt earth should fit inside the electric

“domino”.







My 110 volt doesn’t have any shore plug… I need to open

the box and look at what color cable I have and see where

they go.







Do you have both shore power?



If so what good options could be good to have?







I assume the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other plug for European, South

American, etc. Marinas?







Once I take the pictures, i will make a post just for it.







Thanks again, sincerely, Alexandre



SM2K #289 NIKIMAT



Club Nautico de San Juan, Puerto Rico







--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners] <amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration of the

Galvanic Isolator Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 







































Alexandre,



Nicely illustrated, as always.



 Thank you for the instructive pictures!



I note that the way you have hooked



up the galvanic isolator, only the 230V shore line is



isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using the same



isolator by hooking it up similarly simultaneously.



 Disconnect the 110V ground from the common post in the



box, and connect it to the input side of the galvanic



isolator using the same connection point as the 230V

shore



ground and you have done it!  (I.e. Change your 2-wire



connector to a three-wire connector.)



That way you are protected no matter



which shore line you use!



Derick



GatesSM2K#400Currently on the hard in



Antigua for hurricane season







































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Alexandre Uster von Baar
 

Thanks for the reply Mike,

Do you know if the 110-220 Volt transformer is for sure an 'isolation transformer?

Sincerely Alexandre




--------------------------------------------

On Wed, 8/17/16, BT mike.k.johnson@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 10:49 AM


 









Hi,
My understanding is that if an
'isolation transformer' at the first point of entry
to the boat then a galvanic isolator us not required as
there is no potentional earth return circuit between the
boat and shore power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for preventing
galvanic corrosion but also the most expensive and
heaviest.
Regards
Mike & Peta
SM 2K 461Solitude
On Wed, Aug 17, 2016
at 3:27 PM +0100, "Kent Robertson karkauai@...
[amelyachtowners]" <amelyachtowners@...>
wrote:

























 






Hi
again Alex.I've
been told that the 110-220V transformer is an isolated
transformer and thus doesn't need to be protected by a
galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore power may
already be protected????Kent




From: "Alexandre
Uster von Baar uster@... [amelyachtowners]"
<amelyachtowners@...>

To:
amelyachtowners@...
Sent: Wednesday, August
17, 2016 8:15 AM
Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation


 









Good
morning Kent,



Our vessel are similar.



And if you look at all the pictures I posted, especially
Part 2, you will see I trace the wires to the automatic
switch above the genset as this is where I remember Olivier
mentioned to connect the Galvanic Isolator.



Therefore, that box “intimidates” me… and I felt
logical to connect the Galvanic Isolator to the very first
connection (which is the box on top of the forward
bulkhead).

If I did not had that box, then the first connection would
have been the automatic switch above the genset.



As Derick mentioned and was thinking the other night:
currently the 110 shore power is not protected.

Not a problem as I don’t use the 100 volt power.

By Connecting its earth to the domino, it will be.

And the Big cubical white transformer will be after and not
before the Galvanic Isolator.



Would love to hear back from Olivier on my set-up



Alexandre



--------------------------------------------

On Tue, 8/16/16, Kent Robertson karkauai@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 6:10 PM





 



















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If I've left

something out or am still clueless about something,
please

chime in.

 If Nikimat is like

Kristy, the 110AC shore power will go directly to a box
on

the forward bulkhead, up against the cockpit floor.  It

terminates at a 110AC 30A breaker there.  From the
breaker,

it goes to your 110->220 AC transformer.  On Kristy
the

transformer is a cubical box on the forward end of the
shelf

above the generator.The converted 220AC

power output (which will be the same frequency as the
input,

60Hz) then goes back to the box on the bulkhead to a
female

plug marked "220 via the transformer" (sorry,

it's inFrench and I can't remember it exactly).
 To

use 110 shore power, you have to insert the male plug in

this receptacle. (For 220 shore power it has to be
plugged

into the other receptacle on the front of that box
marked

2"20AC Sur Le Quai".From either receptacle,

it then goes to the automatic switch which chooses
generator

power over shore power.  This is above the generator. I

don't remember how it is marked.  There is another
box

near there marked 220AC that has the relays for the Air

Conditioners that turn on the 220AC raw water pump which

cools all three A/C units.From that automatic

switch, all 220AC power goes to the 220 breakers in the

galley.

If you have a 220

inverter, power goes from it to the 220 panel
receptacles

and microwave breakers.  I think others have a little

different set up with the inverter.

In a post a year or so

ago, Olivier suggested that you could cover both 220AC
and

110AC shore power by putting the galvanic isolator in
the

ground wire that goes from the box on the forward
bulkhead

in the engine room to the automatic switch above the

generator.  My understanding is that the 110->220

transformer is an "isolation transformer", and

having it between the shore power and the galvanic
isolator

is not a problem.  The only other item that is between

shore power and the galvanic isolator with this placement
is

the 110 breaker in the box on the forward engine room

bulkhead.

Hop that

helpsKentSM243Kristy



Sent from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von Baar uster@...

[amelyachtowners]
<amelyachtowners@...>

wrote:

































 













Good afternoon Derick,







Thanks for the compliment and also to pay attention to
the

details!!!







You are totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so building confidence!










I was just thinking last night the same thing you
mentioned!





The 110 Volt earth should fit inside the electric

“domino”.







My 110 volt doesn’t have any shore plug… I need to
open

the box and look at what color cable I have and see
where

they go.







Do you have both shore power?



If so what good options could be good to have?







I assume the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other plug for European, South

American, etc. Marinas?







Once I take the pictures, i will make a post just for
it.







Thanks again, sincerely, Alexandre



SM2K #289 NIKIMAT



Club Nautico de San Juan, Puerto Rico







--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners]
<amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration of the

Galvanic Isolator Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 







































Alexandre,



Nicely illustrated, as always.



 Thank you for the instructive pictures!



I note that the way you have hooked



up the galvanic isolator, only the 230V shore line is



isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using the same



isolator by hooking it up similarly simultaneously.



 Disconnect the 110V ground from the common post in
the



box, and connect it to the input side of the galvanic



isolator using the same connection point as the 230V

shore



ground and you have done it!  (I.e. Change your 2-wire



connector to a three-wire connector.)



That way you are protected no matter



which shore line you use!



Derick



GatesSM2K#400Currently on the hard in



Antigua for hurricane season







































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Mike Johnson
 

Hi Alexandre,
From the website it would appear to be an isolation transformer.  When I purchased my galvanic isolator the support team were very helpful with technical information.  Suggest you email them with specific questions about the isolation transformer.
Mike
_____________________________
From: Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...>
Sent: Wednesday, August 17, 2016 7:13 pm
Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: <amelyachtowners@...>


 

Thanks for the reply Mike,

Do you know if the 110-220 Volt transformer is for sure an 'isolation transformer?

Sincerely Alexandre

--------------------------------------------
On Wed, 8/17/16, BT mike.k.johnson@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 10:49 AM


 









Hi,
My understanding is that if an
'isolation transformer' at the first point of entry
to the boat then a galvanic isolator us not required as
there is no potentional earth return circuit between the
boat and shore power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for preventing
galvanic corrosion but also the most expensive and
heaviest.
Regards
Mike & Peta
SM 2K 461Solitude
On Wed, Aug 17, 2016
at 3:27 PM +0100, "Kent Robertson karkauai@...
[amelyachtowners]" <amelyachtowners@...>
wrote:

























 






Hi
again Alex.I've
been told that the 110-220V transformer is an isolated
transformer and thus doesn't need to be protected by a
galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore power may
already be protected????Kent




From: "Alexandre
Uster von Baar uster@... [amelyachtowners]"
<amelyachtowners@...>

To:
amelyachtowners@...
Sent: Wednesday, August
17, 2016 8:15 AM
Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation


 









Good
morning Kent,



Our vessel are similar.



And if you look at all the pictures I posted, especially
Part 2, you will see I trace the wires to the automatic
switch above the genset as this is where I remember Olivier
mentioned to connect the Galvanic Isolator.



Therefore, that box “intimidates” me… and I felt
logical to connect the Galvanic Isolator to the very first
connection (which is the box on top of the forward
bulkhead).

If I did not had that box, then the first connection would
have been the automatic switch above the genset.



As Derick mentioned and was thinking the other night:
currently the 110 shore power is not protected.

Not a problem as I don’t use the 100 volt power.

By Connecting its earth to the domino, it will be.

And the Big cubical white transformer will be after and not
before the Galvanic Isolator.



Would love to hear back from Olivier on my set-up



Alexandre



--------------------------------------------

On Tue, 8/16/16, Kent Robertson karkauai@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016, 6:10 PM





 



















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If I've left

something out or am still clueless about something,
please

chime in.

 If Nikimat is like

Kristy, the 110AC shore power will go directly to a box
on

the forward bulkhead, up against the cockpit floor.  It

terminates at a 110AC 30A breaker there.  From the
breaker,

it goes to your 110->220 AC transformer.  On Kristy
the

transformer is a cubical box on the forward end of the
shelf

above the generator.The converted 220AC

power output (which will be the same frequency as the
input,

60Hz) then goes back to the box on the bulkhead to a
female

plug marked "220 via the transformer" (sorry,

it's inFrench and I can't remember it exactly).
 To

use 110 shore power, you have to insert the male plug in

this receptacle. (For 220 shore power it has to be
plugged

into the other receptacle on the front of that box
marked

2"20AC Sur Le Quai".From either receptacle,

it then goes to the automatic switch which chooses
generator

power over shore power.  This is above the generator. I

don't remember how it is marked.  There is another
box

near there marked 220AC that has the relays for the Air

Conditioners that turn on the 220AC raw water pump which

cools all three A/C units.From that automatic

switch, all 220AC power goes to the 220 breakers in the

galley.

If you have a 220

inverter, power goes from it to the 220 panel
receptacles

and microwave breakers.  I think others have a little

different set up with the inverter.

In a post a year or so

ago, Olivier suggested that you could cover both 220AC
and

110AC shore power by putting the galvanic isolator in
the

ground wire that goes from the box on the forward
bulkhead

in the engine room to the automatic switch above the

generator.  My understanding is that the 110->220

transformer is an "isolation transformer", and

having it between the shore power and the galvanic
isolator

is not a problem.  The only other item that is between

shore power and the galvanic isolator with this placement
is

the 110 breaker in the box on the forward engine room

bulkhead.

Hop that

helpsKentSM243Kristy



Sent from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von Baar uster@...

[amelyachtowners]
<amelyachtowners@...>

wrote:

































 













Good afternoon Derick,







Thanks for the compliment and also to pay attention to
the

details!!!







You are totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so building confidence!










I was just thinking last night the same thing you
mentioned!





The 110 Volt earth should fit inside the electric

“domino”.







My 110 volt doesn’t have any shore plug… I need to
open

the box and look at what color cable I have and see
where

they go.







Do you have both shore power?



If so what good options could be good to have?







I assume the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other plug for European, South

American, etc. Marinas?







Once I take the pictures, i will make a post just for
it.







Thanks again, sincerely, Alexandre



SM2K #289 NIKIMAT



Club Nautico de San Juan, Puerto Rico







--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners]
<amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration of the

Galvanic Isolator Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 







































Alexandre,



Nicely illustrated, as always.



 Thank you for the instructive pictures!



I note that the way you have hooked



up the galvanic isolator, only the 230V shore line is



isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using the same



isolator by hooking it up similarly simultaneously.



 Disconnect the 110V ground from the common post in
the



box, and connect it to the input side of the galvanic



isolator using the same connection point as the 230V

shore



ground and you have done it!  (I.e. Change your 2-wire



connector to a three-wire connector.)



That way you are protected no matter



which shore line you use!



Derick



GatesSM2K#400Currently on the hard in



Antigua for hurricane season







































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Bill Kinney <greatketch@...>
 

I can not speak for the newer boats, but on my boat the installed transformer is most certainly NOT an isolation transformer.

The safety ground is continuous through the unit, which it would not be on an isolation transformer.

Bill Kinney
SM #160, Harmonie
Narragansett Bay, RI
“Ships and men rot in port."
http://fetchinketch.net <http://fetchinketch.net/>

On Aug 17, 2016, at 11:49, BT mike.k.johnson@... [amelyachtowners] <amelyachtowners@...> wrote:


Hi,

My understanding is that if an 'isolation transformer' at the first point of entry to the boat then a galvanic isolator us not required as there is no potentional earth return circuit between the boat and shore power.

http://www.bcet.co.uk/marine-isolation-transformers.html

it is the best option for preventing galvanic corrosion but also the most expensive and heaviest.

Regards

Mike & Peta

SM 2K 461
Solitude

Get Outlook for iOS <https://aka.ms/o0ukef>



On Wed, Aug 17, 2016 at 3:27 PM +0100, "Kent Robertson karkauai@... <mailto:karkauai@...> [amelyachtowners]" <amelyachtowners@... <mailto:amelyachtowners@...>> wrote:



Hi again Alex.
I've been told that the 110-220V transformer is an isolated transformer and thus doesn't need to be protected by a galvanic isolator. Maybe someone can expound on that theory. If it's true, your 110VAC shore power may already be protected????
Kent


From: "Alexandre Uster von Baar uster@... <mailto:uster@...> [amelyachtowners]" <amelyachtowners@... <mailto:amelyachtowners@...>>
To: amelyachtowners@... <mailto:amelyachtowners@...>
Sent: Wednesday, August 17, 2016 8:15 AM
Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation


Good morning Kent,

Our vessel are similar.

And if you look at all the pictures I posted, especially Part 2, you will see I trace the wires to the automatic switch above the genset as this is where I remember Olivier mentioned to connect the Galvanic Isolator.

Therefore, that box “intimidates” me… and I felt logical to connect the Galvanic Isolator to the very first connection (which is the box on top of the forward bulkhead).
If I did not had that box, then the first connection would have been the automatic switch above the genset.

As Derick mentioned and was thinking the other night: currently the 110 shore power is not protected.
Not a problem as I don’t use the 100 volt power.
By Connecting its earth to the domino, it will be.
And the Big cubical white transformer will be after and not before the Galvanic Isolator.

Would love to hear back from Olivier on my set-up

Alexandre

--------------------------------------------
On Tue, 8/16/16, Kent Robertson karkauai@... <mailto:karkauai@...> [amelyachtowners] <amelyachtowners@... <mailto:amelyachtowners@...>> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@... <mailto:amelyachtowners@...>
Date: Tuesday, August 16, 2016, 6:10 PM












Hi Alex,Your #289 is fairly
close to my #243.
I'm not on the
boat, so writing this from memory. If I've left
something out or am still clueless about something, please
chime in.
If Nikimat is like
Kristy, the 110AC shore power will go directly to a box on
the forward bulkhead, up against the cockpit floor. It
terminates at a 110AC 30A breaker there. From the breaker,
it goes to your 110->220 AC transformer. On Kristy the
transformer is a cubical box on the forward end of the shelf
above the generator.The converted 220AC
power output (which will be the same frequency as the input,
60Hz) then goes back to the box on the bulkhead to a female
plug marked "220 via the transformer" (sorry,
it's inFrench and I can't remember it exactly). To
use 110 shore power, you have to insert the male plug in
this receptacle. (For 220 shore power it has to be plugged
into the other receptacle on the front of that box marked
2"20AC Sur Le Quai".From either receptacle,
it then goes to the automatic switch which chooses generator
power over shore power. This is above the generator. I
don't remember how it is marked. There is another box
near there marked 220AC that has the relays for the Air
Conditioners that turn on the 220AC raw water pump which
cools all three A/C units.From that automatic
switch, all 220AC power goes to the 220 breakers in the
galley.
If you have a 220
inverter, power goes from it to the 220 panel receptacles
and microwave breakers. I think others have a little
different set up with the inverter.
In a post a year or so
ago, Olivier suggested that you could cover both 220AC and
110AC shore power by putting the galvanic isolator in the
ground wire that goes from the box on the forward bulkhead
in the engine room to the automatic switch above the
generator. My understanding is that the 110->220
transformer is an "isolation transformer", and
having it between the shore power and the galvanic isolator
is not a problem. The only other item that is between
shore power and the galvanic isolator with this placement is
the 110 breaker in the box on the forward engine room
bulkhead.
Hop that
helpsKentSM243Kristy

Sent from my
iPhone
On Aug 16, 2016, at 2:58
PM, Alexandre Uster von Baar uster@... <mailto:uster@...>
[amelyachtowners] <amelyachtowners@... <mailto:amelyachtowners@...>>
wrote:























Good afternoon Derick,



Thanks for the compliment and also to pay attention to the
details!!!



You are totally correct, currently only the 220 volt is
connected.

Electricity is my weakest subject, so building confidence!




I was just thinking last night the same thing you mentioned!


The 110 Volt earth should fit inside the electric
“domino”.



My 110 volt doesn’t have any shore plug… I need to open
the box and look at what color cable I have and see where
they go.



Do you have both shore power?

If so what good options could be good to have?



I assume the 30 A 125 Volt?

http://www.frugal-mariner.com/images/img0565.png



Does any of you have other plug for European, South
American, etc. Marinas?



Once I take the pictures, i will make a post just for it.



Thanks again, sincerely, Alexandre

SM2K #289 NIKIMAT

Club Nautico de San Juan, Puerto Rico



--------------------------------------------

On Tue, 8/16/16, derickgates@... <mailto:derickgates@...>
[amelyachtowners] <amelyachtowners@... <mailto:amelyachtowners@...>>
wrote:



Subject: Re: [Amel Yacht Owners] illustration of the
Galvanic Isolator Installation

To: amelyachtowners@... <mailto:amelyachtowners@...>

Date: Tuesday, August 16, 2016, 1:23 PM

























Alexandre,

Nicely illustrated, as always.

Thank you for the instructive pictures!

I note that the way you have hooked

up the galvanic isolator, only the 230V shore line is

isolated. The 110V shore line is not (yet) protected.

You can protect the 110V shore line using the same

isolator by hooking it up similarly simultaneously.

Disconnect the 110V ground from the common post in the

box, and connect it to the input side of the galvanic

isolator using the same connection point as the 230V
shore

ground and you have done it! (I.e. Change your 2-wire

connector to a three-wire connector.)

That way you are protected no matter

which shore line you use!

Derick

GatesSM2K#400Currently on the hard in

Antigua for hurricane season



















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Alexandre Uster von Baar
 

Good morning Mike,

This is a great news!

Bill (SM#160, Harmonie) is trying to obtain information on the originally installed Scheiber transformer.

Out of curiosity: which make/model of Galvanic Isolator did you purchase?

Sincerely, Alexandre




--------------------------------------------

On Wed, 8/17/16, MICHAEL JOHNSON mike.k.johnson@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 7:35 PM


 










Hi
Alexandre,
From the
website it would appear to be an isolation transformer.
 When I purchased my galvanic isolator the support team
were very helpful with technical information.  Suggest you
email them with specific questions about the isolation
transformer.
Mike
_____________________________
From: Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@...>
Sent: Wednesday, August 17, 2016 7:13 pm
Subject: Re: [Amel Yacht Owners] illustration
of the Galvanic Isolator Installation
To:
<amelyachtowners@...>



  Thanks for
the reply Mike,

Do you
know if the 110-220 Volt transformer is for sure an
'isolation transformer?

Sincerely Alexandre

--------------------------------------------
On Wed, 8/17/16, BT mike.k.johnson@...
[amelyachtowners] <amelyachtowners@...>
wrote:

Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 10:49 AM


 










Hi,
My
understanding is that if an
'isolation
transformer' at the first point of entry
to the boat then a galvanic isolator us not
required as
there is no potentional earth
return circuit between the
boat and shore
power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for preventing
galvanic corrosion but also the most expensive
and
heaviest.
Regards
Mike & Peta
SM 2K
461Solitude

Get Outlook
for iOS





On Wed, Aug 17, 2016
at 3:27 PM +0100, "Kent Robertson karkauai@...
[amelyachtowners]" <amelyachtowners@...>
wrote:

























 







Hi
again
Alex.I've
been told that the 110-220V
transformer is an isolated
transformer and
thus doesn't need to be protected by a

galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore
power may
already be protected????Kent




From: "Alexandre
Uster von Baar uster@...
[amelyachtowners]"
<amelyachtowners@...>

To:
amelyachtowners@...

Sent: Wednesday, August

17, 2016 8:15 AM
Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic
Isolator
Installation



 









Good
morning Kent,



Our vessel are similar.



And if
you look at all the pictures I posted, especially
Part 2, you will see I trace the wires to the
automatic
switch above the genset as this
is where I remember Olivier
mentioned to
connect the Galvanic Isolator.



Therefore,
that box “intimidates” me… and I felt

logical to connect the Galvanic Isolator to the very
first
connection (which is the box on top
of the forward
bulkhead).

If I did not had that box,
then the first connection would
have been
the automatic switch above the genset.




As
Derick mentioned and was thinking the other night:
currently the 110 shore power is not
protected.

Not a
problem as I don’t use the 100 volt power.

By Connecting its earth to
the domino, it will be.


And the Big cubical white transformer will be after and
not
before the Galvanic Isolator.



Would love to hear back from Olivier on my
set-up




Alexandre




--------------------------------------------

On Tue, 8/16/16, Kent
Robertson karkauai@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht
Owners] illustration of the
Galvanic
Isolator Installation


To: amelyachtowners@...

Date: Tuesday, August 16,
2016, 6:10 PM





 




















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If
I've left

something
out or am still clueless about something,

please

chime in.

 If Nikimat is like

Kristy, the 110AC shore
power will go directly to a box
on

the forward bulkhead, up
against the cockpit floor.  It

terminates at a 110AC 30A breaker there.
 From the
breaker,

it goes to your 110->220 AC transformer.
 On Kristy
the

transformer is a cubical box on the forward
end of the
shelf

above the generator.The converted 220AC

power output (which will be
the same frequency as the
input,

60Hz) then goes back to the
box on the bulkhead to a
female

plug marked "220 via
the transformer" (sorry,

it's inFrench and I can't remember it
exactly).
 To

use 110 shore power, you have to insert the
male plug in

this
receptacle. (For 220 shore power it has to be
plugged


into the other receptacle on the front of that box
marked


2"20AC Sur Le Quai".From either receptacle,

it then goes to the
automatic switch which chooses
generator

power over shore power.
 This is above the generator. I

don't remember how it is marked.  There
is another
box

near there marked 220AC that has the relays
for the Air

Conditioners
that turn on the 220AC raw water pump which


cools all three A/C units.From that
automatic

switch, all
220AC power goes to the 220 breakers in the


galley.

If you have a 220

inverter, power goes from it to the 220
panel
receptacles

and microwave breakers.  I think others have
a little

different set
up with the inverter.

In
a post a year or so

ago,
Olivier suggested that you could cover both 220AC
and

110AC
shore power by putting the galvanic isolator in
the

ground
wire that goes from the box on the forward

bulkhead

in the engine
room to the automatic switch above the

generator.  My understanding is that the
110->220

transformer
is an "isolation transformer", and

having it between the shore
power and the galvanic
isolator

is not a problem.  The
only other item that is between

shore power and the galvanic isolator with
this placement
is

the 110 breaker in the box on the forward
engine room

bulkhead.

Hop that


helpsKentSM243Kristy



Sent
from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von
Baar uster@...

[amelyachtowners]
<amelyachtowners@...>

wrote:

































 














Good afternoon
Derick,







Thanks
for the compliment and also to pay attention to
the


details!!!







You are
totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so
building confidence!










I was
just thinking last night the same thing you

mentioned!





The 110 Volt earth should fit inside the
electric

“domino”.








My 110 volt doesn’t have
any shore plug… I need to
open

the box and look at what
color cable I have and see
where

they go.








Do you have both shore power?



If so what good options could be good to
have?







I assume
the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other
plug for European, South


American, etc. Marinas?








Once I
take the pictures, i will make a post just for
it.







Thanks
again, sincerely, Alexandre



SM2K
#289 NIKIMAT



Club Nautico de San Juan,
Puerto Rico








--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners]
<amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration
of the

Galvanic Isolator
Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 









































Alexandre,



Nicely
illustrated, as always.




 Thank you for the
instructive pictures!




I note that the way
you have hooked



up the galvanic isolator,
only the 230V shore line is




isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using
the same



isolator by hooking it up
similarly simultaneously.




 Disconnect the 110V
ground from the common post in
the



box, and connect it to the input side of the
galvanic



isolator using the same
connection point as the 230V

shore



ground and you have done
it!  (I.e. Change your 2-wire




connector to a three-wire connector.)



That
way you are protected no matter



which
shore line you use!



Derick





GatesSM2K#400Currently on the hard in



Antigua
for hurricane season








































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Alexandre Uster von Baar
 

Thanks for your reply, just reading your post now.

Sincerely , Alexandre


--------------------------------------------

On Wed, 8/17/16, Bill Kinney greatketch@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 8:46 PM


 









I can not speak for the newer boats, but on my boat
the installed transformer is most certainly NOT an isolation
transformer.
The safety ground is continuous
through the unit, which it would not be on an isolation
transformer.

Bill KinneySM #160, HarmonieNarragansett Bay, RI“Ships and men rot in
port."http://fetchinketch.net






On Aug 17, 2016, at 11:49, BT mike.k.johnson@...
[amelyachtowners] <amelyachtowners@...>
wrote:

Hi,
My understanding is that if an
'isolation transformer' at the first point of entry
to the boat then a galvanic isolator us not required as
there is no potentional earth return circuit between the
boat and shore power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for
preventing galvanic corrosion but also the most expensive
and heaviest.
Regards
Mike & Peta
SM 2K 461Solitude

Get Outlook for
iOS



On Wed, Aug 17, 2016 at
3:27 PM +0100, "Kent Robertson karkauai@... [amelyachtowners]" <amelyachtowners@...> wrote:

 
Hi
again Alex.I've
been told that the 110-220V transformer is an isolated
transformer and thus doesn't need to be protected by a
galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore power may
already be protected????Kent


From: "Alexandre
Uster von Baar uster@... [amelyachtowners]"
<amelyachtowners@...>
To: amelyachtowners@... 
Sent: Wednesday,
August 17, 2016 8:15 AM
Subject: Re:
[Amel Yacht Owners] illustration of the Galvanic Isolator
Installation

 Good
morning Kent, 

Our vessel are similar.  

And if you look at all the
pictures I posted, especially Part 2, you will see I trace
the wires to the automatic switch above the genset as this
is where I remember Olivier mentioned to connect the
Galvanic Isolator.  

Therefore, that box
“intimidates” me… and I felt logical to connect the
Galvanic Isolator to the very first connection (which is the
box on top of the forward bulkhead).  
If I did not had
that box, then the first connection would have been the
automatic switch above the genset.  

As Derick mentioned and was
thinking the other night: currently the 110 shore power is
not protected.  
Not a problem as I
don’t use the 100 volt power.  
By Connecting its
earth to the domino, it will be.  
And the Big cubical
white transformer will be after and not before the Galvanic
Isolator.  

Would love to hear back from
Olivier on my set-up

Alexandre

--------------------------------------------
On Tue, 8/16/16,
Kent Robertson karkauai@... [amelyachtowners]
<amelyachtowners@...>
wrote:

Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation
To: amelyachtowners@...
Date: Tuesday,
August 16, 2016, 6:10 PM


 









Hi Alex,Your #289 is fairly
close to my #243.
I'm not on
the
boat, so
writing this from memory.  If I've left
something out or am still
clueless about something, please
chime in.
 If Nikimat is like
Kristy, the 110AC
shore power will go directly to a box on
the forward bulkhead, up against
the cockpit floor.  It
terminates at a 110AC 30A breaker
there.  From the breaker,
it goes to your 110->220 AC
transformer.  On Kristy the
transformer is a cubical box on
the forward end of the shelf
above the generator.The converted
220AC
power
output (which will be the same frequency as the input,
60Hz) then goes back
to the box on the bulkhead to a female
plug marked "220 via the
transformer" (sorry,
it's inFrench and I can't
remember it exactly).  To
use 110 shore power, you have to
insert the male plug in
this receptacle. (For 220 shore
power it has to be plugged
into the other receptacle on the
front of that box marked
2"20AC Sur Le
Quai".From either receptacle,
it then goes to the automatic
switch which chooses generator
power over shore power.  This is
above the generator. I
don't remember how it is
marked.  There is another box
near there marked 220AC that has
the relays for the Air
Conditioners that turn on the
220AC raw water pump which
cools all three A/C units.From
that automatic
switch, all 220AC power goes to
the 220 breakers in the
galley.
If you have a 220
inverter, power goes from it to
the 220 panel receptacles
and microwave breakers.  I think
others have a little
different set up with the
inverter.
In a
post a year or so
ago, Olivier suggested that you
could cover both 220AC and
110AC shore power by putting the
galvanic isolator in the
ground wire that goes from the
box on the forward bulkhead
in the engine room to the
automatic switch above the
generator.  My understanding is
that the 110->220
transformer is an "isolation
transformer", and
having it between the shore power
and the galvanic isolator
is not a problem.  The only
other item that is between
shore power and the galvanic
isolator with this placement is
the 110 breaker in the box on the
forward engine room
bulkhead.
Hop that
helpsKentSM243Kristy

Sent from my
iPhone
On Aug 16, 2016, at 2:58
PM, Alexandre Uster
von Baar uster@...
[amelyachtowners]
<amelyachtowners@...>
wrote:
















 






Good afternoon Derick, 



Thanks for the compliment and
also to pay attention to the
details!!!  



You are totally correct,
currently only the 220 volt is
connected.  

Electricity is my weakest
subject, so building confidence! 




I was just thinking last night
the same thing you mentioned!


The 110 Volt earth should fit
inside the electric
“domino”.  



My 110 volt doesn’t have any
shore plug… I need to open
the box and look at what color
cable I have and see where
they go.  



Do you have both shore
power?  

If so what good options could be
good to have?  



I assume the 30 A 125 Volt?  

http://www.frugal-mariner.com/images/img0565.png



Does any of you have other plug
for European, South
American, etc. Marinas?  



Once I take the pictures, i will
make a post just for it.



Thanks again, sincerely,
Alexandre

SM2K #289 NIKIMAT

Club Nautico de San Juan, Puerto
Rico



--------------------------------------------

On Tue, 8/16/16, derickgates@...
[amelyachtowners]
<amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht Owners]
illustration of the
Galvanic Isolator Installation

To: amelyachtowners@...

Date: Tuesday, August 16, 2016,
1:23 PM





 



















Alexandre,

Nicely illustrated, as always.

 Thank you for the instructive
pictures!

I note that the way
you have hooked

up the galvanic isolator, only
the 230V shore line is

isolated.  The 110V shore line
is not (yet) protected.

 You can protect the 110V shore
line using the same

isolator by hooking it up
similarly simultaneously.

 Disconnect the 110V ground from
the common post in the

box, and connect it to the input
side of the galvanic

isolator using the same
connection point as the 230V
shore

ground and you have done it!
 (I.e. Change your 2-wire

connector to a three-wire
connector.)

That way you are
protected no matter

which shore line you use!

Derick

GatesSM2K#400Currently on the
hard in

Antigua for
hurricane season



















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Mike Johnson
 

Hi Alexandre,
We purchased the following Galvanic Isolator:
http://www.bcet.co.uk/galvanic-isolator-products.html
The advantage of the gauge is that the isolator can be tested and any stray voltages monitored visually.  This one has also been fitted by other owners on the forum who may also be able to verify its performance.
Very best wishes
Mike & Peta
SM 2K 461Solitude
_____________________________
From: Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...>
Sent: Thursday, August 18, 2016 11:38 am
Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: <amelyachtowners@...>


 

Good morning Mike,

This is a great news!

Bill (SM#160, Harmonie) is trying to obtain information on the originally installed Scheiber transformer.

Out of curiosity: which make/model of Galvanic Isolator did you purchase?

Sincerely, Alexandre

--------------------------------------------
On Wed, 8/17/16, MICHAEL JOHNSON mike.k.johnson@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] illustration of the Galvanic Isolator Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 7:35 PM


 










Hi
Alexandre,
From the
website it would appear to be an isolation transformer.
 When I purchased my galvanic isolator the support team
were very helpful with technical information.  Suggest you
email them with specific questions about the isolation
transformer.
Mike
_____________________________
From: Alexandre Uster von Baar uster@...
[amelyachtowners] <amelyachtowners@...>
Sent: Wednesday, August 17, 2016 7:13 pm
Subject: Re: [Amel Yacht Owners] illustration
of the Galvanic Isolator Installation
To:
<amelyachtowners@...>



  Thanks for
the reply Mike,

Do you
know if the 110-220 Volt transformer is for sure an
'isolation transformer?

Sincerely Alexandre

--------------------------------------------
On Wed, 8/17/16, BT mike.k.johnson@...
[amelyachtowners] <amelyachtowners@...>
wrote:

Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic Isolator
Installation
To: amelyachtowners@...
Date: Wednesday, August 17, 2016, 10:49 AM


 










Hi,
My
understanding is that if an
'isolation
transformer' at the first point of entry
to the boat then a galvanic isolator us not
required as
there is no potentional earth
return circuit between the
boat and shore
power.
http://www.bcet.co.uk/marine-isolation-transformers.html
it is the best option for preventing
galvanic corrosion but also the most expensive
and
heaviest.
Regards
Mike & Peta
SM 2K
461Solitude

Get Outlook
for iOS





On Wed, Aug 17, 2016
at 3:27 PM +0100, "Kent Robertson karkauai@...
[amelyachtowners]" <amelyachtowners@...>
wrote:

























 







Hi
again
Alex.I've
been told that the 110-220V
transformer is an isolated
transformer and
thus doesn't need to be protected by a

galvanic isolator.  Maybe someone can expound on that
theory.  If it's true, your 110VAC shore
power may
already be protected????Kent




From: "Alexandre
Uster von Baar uster@...
[amelyachtowners]"
<amelyachtowners@...>

To:
amelyachtowners@...

Sent: Wednesday, August

17, 2016 8:15 AM
Subject: Re: [Amel
Yacht Owners] illustration of the Galvanic
Isolator
Installation



 









Good
morning Kent,



Our vessel are similar.



And if
you look at all the pictures I posted, especially
Part 2, you will see I trace the wires to the
automatic
switch above the genset as this
is where I remember Olivier
mentioned to
connect the Galvanic Isolator.



Therefore,
that box “intimidates” me… and I felt

logical to connect the Galvanic Isolator to the very
first
connection (which is the box on top
of the forward
bulkhead).

If I did not had that box,
then the first connection would
have been
the automatic switch above the genset.




As
Derick mentioned and was thinking the other night:
currently the 110 shore power is not
protected.

Not a
problem as I don’t use the 100 volt power.

By Connecting its earth to
the domino, it will be.


And the Big cubical white transformer will be after and
not
before the Galvanic Isolator.



Would love to hear back from Olivier on my
set-up




Alexandre




--------------------------------------------

On Tue, 8/16/16, Kent
Robertson karkauai@...
[amelyachtowners] <amelyachtowners@...>
wrote:



Subject: Re: [Amel Yacht
Owners] illustration of the
Galvanic
Isolator Installation


To: amelyachtowners@...

Date: Tuesday, August 16,
2016, 6:10 PM





 




















Hi Alex,Your #289 is fairly

close to my #243.

I'm not on the

boat, so writing this from memory.  If
I've left

something
out or am still clueless about something,

please

chime in.

 If Nikimat is like

Kristy, the 110AC shore
power will go directly to a box
on

the forward bulkhead, up
against the cockpit floor.  It

terminates at a 110AC 30A breaker there.
 From the
breaker,

it goes to your 110->220 AC transformer.
 On Kristy
the

transformer is a cubical box on the forward
end of the
shelf

above the generator.The converted 220AC

power output (which will be
the same frequency as the
input,

60Hz) then goes back to the
box on the bulkhead to a
female

plug marked "220 via
the transformer" (sorry,

it's inFrench and I can't remember it
exactly).
 To

use 110 shore power, you have to insert the
male plug in

this
receptacle. (For 220 shore power it has to be
plugged


into the other receptacle on the front of that box
marked


2"20AC Sur Le Quai".From either receptacle,

it then goes to the
automatic switch which chooses
generator

power over shore power.
 This is above the generator. I

don't remember how it is marked.  There
is another
box

near there marked 220AC that has the relays
for the Air

Conditioners
that turn on the 220AC raw water pump which


cools all three A/C units.From that
automatic

switch, all
220AC power goes to the 220 breakers in the


galley.

If you have a 220

inverter, power goes from it to the 220
panel
receptacles

and microwave breakers.  I think others have
a little

different set
up with the inverter.

In
a post a year or so

ago,
Olivier suggested that you could cover both 220AC
and

110AC
shore power by putting the galvanic isolator in
the

ground
wire that goes from the box on the forward

bulkhead

in the engine
room to the automatic switch above the

generator.  My understanding is that the
110->220

transformer
is an "isolation transformer", and

having it between the shore
power and the galvanic
isolator

is not a problem.  The
only other item that is between

shore power and the galvanic isolator with
this placement
is

the 110 breaker in the box on the forward
engine room

bulkhead.

Hop that


helpsKentSM243Kristy



Sent
from my

iPhone

On Aug 16, 2016, at 2:58

PM, Alexandre Uster von
Baar uster@...

[amelyachtowners]
<amelyachtowners@...>

wrote:

































 














Good afternoon
Derick,







Thanks
for the compliment and also to pay attention to
the


details!!!







You are
totally correct, currently only the 220 volt is

connected.



Electricity is my weakest subject, so
building confidence!










I was
just thinking last night the same thing you

mentioned!





The 110 Volt earth should fit inside the
electric

“domino”.








My 110 volt doesn’t have
any shore plug… I need to
open

the box and look at what
color cable I have and see
where

they go.








Do you have both shore power?



If so what good options could be good to
have?







I assume
the 30 A 125 Volt?



http://www.frugal-mariner.com/images/img0565.png







Does any of you have other
plug for European, South


American, etc. Marinas?








Once I
take the pictures, i will make a post just for
it.







Thanks
again, sincerely, Alexandre



SM2K
#289 NIKIMAT



Club Nautico de San Juan,
Puerto Rico








--------------------------------------------



On Tue, 8/16/16, derickgates@...

[amelyachtowners]
<amelyachtowners@...>

wrote:







Subject: Re: [Amel Yacht Owners] illustration
of the

Galvanic Isolator
Installation



To: amelyachtowners@...



Date: Tuesday, August 16, 2016, 1:23 PM











 









































Alexandre,



Nicely
illustrated, as always.




 Thank you for the
instructive pictures!




I note that the way
you have hooked



up the galvanic isolator,
only the 230V shore line is




isolated.  The 110V shore line is not (yet) protected.



 You can protect the 110V shore line using
the same



isolator by hooking it up
similarly simultaneously.




 Disconnect the 110V
ground from the common post in
the



box, and connect it to the input side of the
galvanic



isolator using the same
connection point as the 230V

shore



ground and you have done
it!  (I.e. Change your 2-wire




connector to a three-wire connector.)



That
way you are protected no matter



which
shore line you use!



Derick





GatesSM2K#400Currently on the hard in



Antigua
for hurricane season








































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p#yiv5274834255attach-count span {
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