Re: [RE-wrenches] not sure what's going on here

2013-05-12 Thread Exeltech
Hello Wrench Team, Please forgive as this seasoned design engineer contributes to your discussion: The conditions and symptoms as originally posted are: 1) A PV array consisting of four Solarworld SW165 PV modules. [72-cell, mono PV, Voc=44.1V, Vmpp=35.3V, Isc=5.2A, Impp=4.7A, all values

Re: [RE-wrenches] Battery Boxes

2013-05-12 Thread jay peltz
Hi Jesse What is your concern with a wood based battery box? Thanks Jay Peltz power Sent from my iPad On May 11, 2013, at 10:16 PM, Jesse Dahl dahlso...@gmail.com wrote: Hello, I visited a site on Friday to do some trouble-shooting on a system and noticed the battery box was homemade

Re: [RE-wrenches] Battery Boxes

2013-05-12 Thread Dan Fink
Jesse; I too have concerns about wooden battery boxes. Have seen a couple close calls with fires from thermal runaway, and acid doesn't treat wood kindly. But for a large bank, anything commercial is extremely expensive. Our current solution is to caulk the wooden box, line with pink foam sheets

Re: [RE-wrenches] not sure what's going on here

2013-05-12 Thread Larry Crutcher, Starlight Solar Power Systems
Fellow Wrenches, I realize that many of you are offering your time and comments in a genuine effort to help Ron, however, the problem he described is the EXACT behavior of all early 3024i controllers. This happened with overloaded controllers operating in 24 to 12 downconversion, just like in

Re: [RE-wrenches] not sure what's going on here

2013-05-12 Thread Larry Crutcher, Starlight Solar Power Systems
I have a tendency to read between the lines and try and perceive things unstated. Just my nature. I doubt that the module removed from the circuit stays at 13Vdc. Ron said ...the normal voltages return but drop again in about 15 min. Because of the 3024 software issue I think this is affecting