: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of boB Gudgel
Sent: Saturday, November 20, 2010 5:14 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Positive-ground question re Sunpower
On 11/20/2010 4:36 PM, Mark Frye wrote:
>From the 2
enches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *jay
peltz
*Sent:* Saturday, November 20, 2010 4:30 PM
*To:* al...@positiveenergysolar.com; RE-wrenches
*Subject:* Re: [RE-wrenches] Positive-ground question re Sunpower
Hi Allan,
I have seen the wh
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[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of jay peltz
Sent: Saturday, November 20, 2010 4:30 PM
To: al...@positiveenergysolar.com; RE-wrenches
Subject: Re: [RE-wrenches] Positive-ground question re Sunpower
Hi Allan,
I have seen the white paper from
Hi Allan,
I have seen the white paper from Sunpower, ( but don't have a copy) that shows
the losses as the voltage rises if using neg ground.
But from memory, if using at low voltages such as two in series there should be
minimal if any "loss" of watts.
If you could use them as singles, for say
.@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of
*Allan Sindelar
*Sent:* Friday, November 19, 2010 10:08 AM
*To:* RE-wrenches
*Subject:* [RE-wrenches] Positive-ground question re Sunpower
Wrenches:
This has been addressed before in a slightly different context, s
...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Allan
Sindelar
Sent: Friday, November 19, 2010 10:08 AM
To: RE-wrenches
Subject: [RE-wrenches] Positive-ground question re Sunpower
Wrenches:
This has been addressed before in a slightly different context, so a
Wrenches:
This has been addressed before in a slightly different context, so a
short answer is enough. Can a Sunpower module be used successfully
in a negative-grounded low-voltage system?
The situation: Mark in our Taos office sent me the following: "We have an old
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