Clippy
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 8:50 am

garygid wrote:The "standard" electric dryer home socket is usually wired to a 30-amp (are newer ones 40-amp?) breaker.

My pre-1980 home has a 30-amp dual breaker for the dryer, so I would probably need to limit the e-fuel rate to 24 amps (80% of 30, and not let the Leaf "suck" the full 30 amps) if I use that socket.

When the Leaf gets the 6.6 kW (wants 30 amps, could take up to 32 from a 40-amp breaker) charger, if the Level 2 EVSE indicates that only 25 are available, will the LEAF's internal charger "back off" to 25 amps, or "drop back" to 15 amps?
Why don't you call Nissan, tell them you have the portable Tesla Charger, and could they please recommend someone to splice a J-1772 connector on it? I don't think the Tesla would be eligible for the federal tax credit though.
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evnow
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 9:42 am

mwalsh wrote:Image

I also think the UK is fairly uncommon in this respect, because I don't remember having to switch sockets on in other areas of Europe/Scandinavia where I've traveled.
I don't remember any plugs in India without a switch ...

Image
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jkirkebo
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 10:07 am

evnow wrote:
mwalsh wrote:Image

I also think the UK is fairly uncommon in this respect, because I don't remember having to switch sockets on in other areas of Europe/Scandinavia where I've traveled.
I don't remember any plugs in India without a switch ...
Denmark has switches in the sockets, Sweden and Norway do not.

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garygid
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 8:58 pm

If I cannot buy a "legal" UL-listed plug-in EVSE, I might as well make one.

First, I need to obtain a J1772 cord or connector. I need to get a price for a replacement 120v EVSE from Nissan, and a replacement 240v break-away "e-hose" from AV.

Or, just a source for the J1772 connector would be good, a 50-amp version would be preferred.

All the rest I can buy or make fairly easily. If I go to the effort to do a "minimal" design, I will show the details here.

NOTE: It is probably not illegal to make this "experimental interface", but it might be illegal to use it, depending upon your local laws.
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 9:08 pm

And it might be illegal to "sell" it ... but you could accept "donations" ;) for any interested buy--, err, enthusiasts !
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garygid
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Re: We need a portable 240v EVSE

Sun Jun 20, 2010 9:40 pm

Probably illegal to sell it as an "EVSE", but probably legal to sell it as some sort of adapter cord, without UL listing, for experimental laboratory use only.

It might need some "... may or may not function for any intended uses ..." verbage.

Maybe there is a lawyer amoung us who would know, or who could guess.
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hill
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Re: We need a portable 240v EVSE

Tue Jun 22, 2010 11:30 am

garygid wrote:If I cannot buy a "legal" UL-listed plug-in EVSE, I might as well make one.

First, I need to obtain a J1772 cord or connector. I need to get a price for a replacement 120v EVSE from Nissan, and a replacement 240v break-away "e-hose" from AV.

Or, just a source for the J1772 connector would be good, a 50-amp version would be preferred.

.
I'm thinking they're already available off the shelf now. They've been SAE & UL approved ... plug, cord and all:

http://green.autoblog.com/2009/06/28/un ... ging-plug/

UL may be able to direct you to manufacturers.

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garygid
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Re: We need a portable 240v EVSE

Tue Jun 22, 2010 11:49 am

This article's "plug end" picture does not match the J1772 drawings, not even close.
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mitch672
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Re: We need a portable 240v EVSE

Tue Jun 22, 2010 12:19 pm

yep, the article is a year old.

But I see your point, probably already being mfr'd for the Japanese and U.S. EVSE's charging cords.
probably already being "mass produced" to ship with various mfrs cars (leaf and Volt come to mind) for Fall/Winter 2010 shipment. One is going to come with each EV with J-1772, someone has to make make them...
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garygid
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Re: We need a portable 240v EVSE

Tue Jun 22, 2010 2:25 pm

Presumably the J1772 plug used by AV is only UL listed to 30 amps. If true, not very forward-looking. Perhaps another reason to not buy the AV unit?
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