[RE-wrenches] battery buss bar stock

[jay]

So I”m curious about the location of your breakers.  Can you elaborate about that?

Thanks
jay

peltz power


> On Dec 2, 2017, at 1:51 PM, Gary Willett <Gary at IcarusSolarServices.com> wrote:
> 
> JERRY:
> 
> I always specify separate breakers per string (175A or 250A, depending on string ampacity) mounted as close to the battery bank as possible. And I require that if I am to be engaged for maintenance (planned or unplanned) after commissioning. Shunt-trip breakers facilitate meeting Rapid Shutdown requirements.
> 
> Separate string breakers make battery maintenance and trouble shooting so much easier and well worth the first cost investment. Especially so when you have bad or weak cells/batteries, uneven string discharge/charge current, and need to isolate the culprit(s).
> 
> If I have a maintenance arrangement with the customer, individual string breakers allow me to quickly/safely perform string/battery SOH (state of Health) testing with an internal resistance tester and/or a load test on individual batteries without removing wiring/busbars/etc.
> 
> Regards,
> 
> Gary Willett PE
> Icarus Engineering / Solar Services LLC
> 
>