[RE-wrenches] PV Temp Comp calculations

Friends: Do any of you know any good, on-line tools for calculating temperature compensated string voltages? I looked but I can't find one. I have found some good articles on the subject. Lacking one, I created an Excel spreadsheet. I am no expert in this aspect of design so I am using i

[RE-wrenches] Using legacy modules on micro-inverters

Friends: I am trying to upgrade a long time off-grid client to a grid-connected installation. They have a mix of Siemens PC4JF and Shell SQ-150P modules. It is my understanding that putting two of the PC4JFs in series is exactly one SQ-150. I don't have spec sheets for the PC4JFs but I am tol

Re: [RE-wrenches] SatCon Inverter Maintenance Manuals

I have manuals on a lot of Satcons. Please let me know off-list which ones you're looking for. marco From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Glenn Burt Sent: Thursday, September 26, 2013 1:49 PM To: 'RE-wrenches' Subje

Re: [RE-wrenches] transformerless inverters and conductor colors

2008 NEC 690.35 Ungrounded Photovoltaic Power Systems. Photovoltaic power systems shall be permitted to operate with ungrounded photovoltaic source and output circuits where the system complies with 690.35(A) through (G). (A) Disconnects. (B) Overcurrent Protection. (C) Ground-Fault Prot

Re: [RE-wrenches] SatCon Inverter Maintenance Manuals

Hi Jason, I just got back to my office after a vacation. Were you able to obtain any of the Satcon manuals you were after? Contact me off-list, as I may have a few electronic copies in my archives. Best, Glenn Burt glenn.b...@glbcc.com From: re-wrenches-boun...@lists.re-wrenches.