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Problem with panel | 7 comments (7 topical, editorial)

Re: Problem with panel (3.00 / 0) (#4)
by mettleramiel on Sat Aug 4th, 2007 at 06:04:49 PM MST
(User Info)

I know the diference between series and paralell. I am hooking them up with all of the positives together and all of the negatives together. parallel. The other panels are not being limited, just this one. I even hooked up this panel with another one up to the same battery each with their own multimeter. The panel works fine until I add the second one. The amps go down instantly. My other 3 panels work just fine, however. They are all rated at 15 watts, they are even the same brand. I took the panel apart and the diode seems to be working. I took it out and connected it to a small battery. It would only let the power flow one way.

[ Parent ]

Re: Problem with panel (3.00 / 0) (#5)
by Flux on Sun Aug 5th, 2007 at 12:03:04 AM MST
(User Info)

You seem to be violating Kirchoff's law.

If you are really doing what you say I can offer no explanation.

Check open circuit voltage and short circuit current of each panel, I can't think of anything else, that may show something odd about the rogue panel. I still suspect a wiring problem.

Flux

[ Parent ]

Re: Problem with panel (3.00 / 0) (#6)
by snowcrow on Sun Aug 5th, 2007 at 05:17:01 AM MST
(User Info)

I'm assuming that you are putting the multimeter in the circuit between the two panels, and not just across the terminals of the new panel while taking your amp reading, am I right? If I'm not right and the latter is true, then you will see the amps drop off instantly.

Blessings, Snow Crow

[ Parent ]

Problem with panel | 7 comments (7 topical, 0 editorial)

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