Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-22 Thread Brian Teitelbaum
: 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

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-20 Thread boB Gudgel
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

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-20 Thread Mark Frye
.@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 white paper from

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-20 Thread jay peltz
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

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-19 Thread boB Gudgel
.@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

Re: [RE-wrenches] Positive-ground question re Sunpower

2010-11-19 Thread Glenn Burt
...@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

[RE-wrenches] Positive-ground question re Sunpower

2010-11-19 Thread Allan Sindelar
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