Re: [RE-wrenches] 3-phase with storage

2018-05-18 Thread Jamie Rennie
Solaredge offers a three-phase battery system option using one of their inverters with LG Chem batteries on one leg. On Tue, Apr 17, 2018 at 4:35 PM, Dave Angelini Offgrid Solar < offgridso...@sti.net> wrote: > The 2 Lithium batteries I use are HALT tested but it is always a big risk > with a bat

Re: [RE-wrenches] Transformer Nomenclature/Protection/Grounding

2018-05-18 Thread Michael Howell (m...@pveducation.com)
Darryl, My day job is in electrical distribution and the primary is always the utility side of the transformer. We have custom transformers made all the time for solar and every manufacturer we work with builds the primary on the utility. Corey, If your utility wants wye on their point of connecti

Re: [RE-wrenches] PV Cell Temperature Variation

2018-05-18 Thread Bill Hoffer
Corey I consulted and did some independent tests with a module manufacturer who had some modules with low Power output and curve traces similar to yours. They however could detect no abnormal cracks in the modules with EL testing. I also detected no issues on the thermal image at no or low power,