[RE-wrenches] Damaged PV module cells

[Kent]

I think these modules are about 12 years old. I didn't have a voltmeter 
or ammeter with me this morning when this was discovered so I wasn't 
able to check the output.

Kent Osterberg
Blue Mountain Solar


On 7/16/2023 3:06 PM, Dave Angelini Offgrid Solar via RE-wrenches wrote:
> Hi Kent, How is output and how old are the panels?
>   
> *Dave Angelini Offgrid Solar "we go where powerlines don't" 
> http://members.sti.net/offgridsolar/ e-mail offgridsolar at sti.net text 
> 209 813 0060*
>
>
> On 2023-07-16 2:58 pm, Kent via RE-wrenches wrote:
>
>> Found some damage to a customer's Grape CS-S-180-DJ PV modules this 
>> morning. Unlike anything I've ever seen; so I'm hoping that someone 
>> on this list can tell me the cause. I've put several photos of the 
>> cells online 
>> <https://drive.google.com/drive/folders/1nQhTqahEx4whmmWyy89tqaEEGvzkvEps?usp=sharing> 
>> so you can inspect them. While it looks like there has been some 
>> localized heating on the traces, there isn't any evidence of damage 
>> on the rear of the PV modules. These are on an off grid system 
>> charging some 12-volt batteries. Thanks.
>>
>> Kent Osterberg
>> Blue Mountain Solar
>>
>> _______________________________________________
>> List sponsored by Redwood Alliance
>>
>> Pay optional member dues here: http://re-wrenches.org
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> There are two list archives for searching. When one doesn't work, try 
>> the other:
>> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> http://www.re-wrenches.org/etiquette.htm
>>
>> Check out or update participant bios:
>> http://www.members.re-wrenches.org
>>
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here:http://re-wrenches.org
>
> List Address:RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20230716/91891e48/attachment.htm>