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 ----Ursprüngliche 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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