[RE-wrenches] evergreen panels diode problems

[boB]

Oops ! I should have read that closer, Jay.
Or, send them back to Evergreen for replacement of course.
Nevermind !
boB


boB wrote:
> I'm not familiar how Evergreen implements their diodes, but if 
> they're  just plain old diodes that are "open", you could bypass each 
> module with an external diode.
>
> Otherwise, I would just make sure the modules with defective diodes 
> are the ones least likely to be shaded, if possible.
>
> If the diodes were shorted and the modules were going to be junked 
> otherwise, I would try to "burn out" and open up the shorted diodes 
> with a high current, voltage limited pulse from a battery or something.
>
> boB
>
>
> jay peltz wrote:
>>
>> Hi All,
>>
>> I"ve got two evergreen 170 watt panels with bad bypass diodes in them.
>> In service for under 2 months.
>>
>> Only odd thing is that this is a positive ground system.
>>
>> They are running at 3 in series for a 48v system.
>>
>> Anybody else have problems with them?
>>
>> thanks
>>
>> jay
>>
>> peltz power
>>
>>
>>
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