Wrenches,
I'm tackling a huge residential system that requires
back-feeding the grid at 480 volts, delta (no neutral, right?). We're
going to GT 30-50 KW. The SMA SB30000TL-US-10 is one of the few
inverters (apparently) that can do this, which I'm planning to use. The
inverter can be fed up to 1,000 vdc,OC. 1,000 volt array is new to me.
I assume they have to accept the high voltage because its a 30K inverter
with only 2 MPPT strings. My question: Other than not getting fried
during installation, what's different about wiring the array or anything
else on the DC side? I don't see anything in our current (2014) code
cycle on this that's different than 600 volt. Tips, advice?
Any links, past webinars, whatever else also helpful would
be welcome.
Thanks,
Bill
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
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