Re: [Amel Yacht Owners] Re: FW: inverters/chargers


hanspeter baettig
 

Daer Eric
The Voltage between the Blue and Earth is 0 Volt
The Voltage between the Brown and Earth is 220 V
Hope this helps
Fair winds
Hanspeter
SM 16, Tamango 2
Fethiye, Turkey
----Urspr√ľngliche Nachricht----
Von : amelyachtowners@...
Datum : 01/02/2015 - 21:43 (UTC)
An : amelyachtowners@...
Betreff : Re: RE: [Amel Yacht Owners] Re: FW: inverters/chargers







Andrew,
Thanks
Eric
Voltage between the Blue and Earth
voltage is between the blue
and earth and the brown and earth?
----- Original Message -----
From: "Andrew Lamb andrew.lamb@... [amelyachtowners]"
Date: Sunday, February 1, 2015 3:14 pm
Subject: RE: [Amel Yacht Owners] Re: FW: inverters/chargers
To: "amelyachtowners@..."
Hi Eric

In Europe there is 220v alternating current between blue and
brown wires but the blue wire is also connected to earth (i.e.
it is grounded) at the source of the power (Gary Silver
explained this very well in previous posts) - I suppose this is
why it is called NEUTRAL because in a correctly wire
installation there should be no potential (zero volts) between
the neutral wire and earth and therefore no danger of electric
shock. The brown wire however is not grounded and is therefore
LIVE and one could therefore call it "hot" as it ha
s the
potential to cause electrocution.

In practical terms though it can sometimes be difficult in
appliances to sort out which wire is actually "hot" relative to
earth as double insulated appliances in Europe only need to have
two wire connectors, which are reversible!

Andrew


Ronpische
SM2k 472
Canet en Roussillion, France



From: amelyachtowners@...
[mailto:amelyachtowners@...]Sent: Sunday, February
01, 2015 8:35 PM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Re: FW: inverters/chargers



Dear Hanspeter,
I said that between the blue brown you have 220 volts between
them and that the yellow green is earth.
I made no reference to the earth being connected to the the blue
or brown.
Could you please tell me what the voltage is between the blue
and earth and the brown and earth? If you have as you say and I
agree that both the brown and blue are hot then in USA
electrical terms there is no neutral in other words no voltage -
or neutral. Please let me know about the voltages as I requested
and re -read my comments.
Fair winds,
eric


----- Original Message -----
From: "'hanspeter.baettig@...'
hanspeter.baettig@... [amelyachtowners]"
Date: Sunday, February 1, 2015 10:25 am
Subject: Re: [Amel Yacht Owners] Re: FW: inverters/chargers
To:
"amelyachtowners@..."
To Eric, Kimberlite
Eric Your comments about Europen 220 System.
You are not correct and it was writen a Lot of confusing stuff
about invertets, boundings , Yellow/green
&
gt; In Europe we have of course 220 V 50 Hz
Brown , Blue and earth
The Blue is neutral otherwise we do not have 220 Volt. Neutral
has nothing to do with neutral we call them Null Leiter (in German)
So, the Brown and the Blue are hot. Nothing to do with earth/g/y
In the US we put 2 110 v Lines to 220 v easy, but still 60 Hz
Hanspeter
SM/16 Tamango 2
Hanspeter Baettig
Dipl. El. Ing. ETS



Von meinem iPhone gesendet

Am 30.01.2015 um 16:26 schrieb "Kent Robertson
karkauai@... [amelyachtowners]"
:>
Hi again, everyone.
Another question about galvanic isolation.
I do not have an isolation transformer, but I do have a
transformer for 110 shorepower that produces 220VAC. Both the
&g
t; direct 220 and the 220 from the transformer enter a junction box
on the forward engine room bulkhead. There are two receptacles,
one marked 110 to 220 transformer, the other marked 220 direct.
I have to switch the plug from one to the other depending on
whether I'm hooked up to 220 or 110 shorepower.

I want to add a galvanic isolator to my shore power
connections. Do I have to have two of them (one for the 110
input and the other for the 220 input), or can I put a single
unit in on the output which takes either to the boat systems? Or
is there a unit that would accept both the 110 input and the 220
input where they enter the boat (I guess in the aft lazarette)?
Can anyone suggest a specific unit that works for this
application on your Amel?

Thanks in advance,
&g
t; > Kent

--------------------------------------------
On Fri, 1/30/15,
kimberlite@... wrote:
Hi ,you use the word neutral in your comments about
your inverter charger.Here
in the usa there are 4 wires on a 220 volt circuit. 2 hot
leads each 110 volts (usually red and black) and a neutral
white.There is also a green
Ground ( earth)
European
wiring does not have a neutral just 220 volts between the
blue and brown wire and a yellow green earth.
The yellow green earth on the Ac circuit
should not be connected to the boat bonding. even though the
wires are the same color Yellow-Green. Although
ABYC regulations say that the AC earth should be connected
togeth
er with the boats bonding- this is a bad
idea.The Ac circuits and
the DC circuits and bonding should be kept separate. In fact
there should also be a Galvanic isolator installed in the
AC earth (yellow green wire)Connecting the Ac earth and the
bonding together
is an accident waiting to happen.Connecting the earth to the
bonding will allow any
stray electrical currents to flow from the ac side
through the bonding.Where
is the isolation transformer installed in the circuit on
your boat and how is the earth wire
connected?Fair
windsEricsm376


Fair
----- Original Message -----
From: "Andrew Lamb
andrew.lamb@...
[amelyachtowners]"> &
gt;
Date: Friday, January
30, 2015 1:26 am
Subject: RE: [Amel Yacht
Owners] Re: FW: inverters/chargers
To:
"amelyachtowners@..."> >

Dear Gary

This discussion is
very interesting and I am now a lot clearer
about the DC circuits and the bonding, an
area I am unclear
about however is the
Earth lead on the AC circuit and the
bonding system.

In our Amel the 100Amp mastervolt was replaced by a
Victron
Charger / inverter and an
Isolation transformer. As I recall,
the Earth in the boa
t AC system originates from the Neutral
on
the boat side of the isolation
transformer. Logic would suggest
to me
that the boat metal work should be connected to the boat
AC earth so that the earth leakage circuit
breakers will work if
an electrical
fault in an AC device rendered the casing of a
device connected to boat AC Live. This
maybe particularly
important as many
consumer devices do not have an earth wire -
but is this consistent with your
statement? This would imply
that in a
Charger / inverter that DC -ve should be independent
but that AC Earth and Charge / inverter
casing should be
connected to the boat
bonding?

Andrew


Ronpische
SM2k 472
Canet en Roussillion, France



From:
amelyachtowners@...> > >
[mailto:amelyachtowners@...] On Behalf Of
amelliahona
Sent: Thursday, January 29,
2015 10:35 PM
To:
amelyachtowners@...> > >
Subject: [Amel Yacht Owners] Re: FW: inverters/chargers



Dear Mark:

Regarding
a
charger/inverter GROUND and GROUNDING (see my prior
email if you are confused on these terms,
they are definitely
different). As I
understand your question, I think you have it
backwards. Since a charger/inverter
isn't in contact with sea
water,
both the grounding and ground lines would go to the
battery DC negative (-ve or -) terminal.
The AC output side
should be connected
via circuit protection including GFCI
(ground fault circuit interrupter) and the DC charging
circuits
go to batteries as per the
manufacturers directions. It is my
opinion that the BONDING circuit (Amel yellow &am
p; green
wires)
should NOT be attached to the
inverter charger.

Download the installation manual for anything you are
considering installing and make sure you
thoroughly understand
it before
buying/installing.

All the best,

Gary Silver
s/v
Liahona SM 335











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