What type of 800 Amp main is it?
and, Hopefully it's not City of LA.
Max Balchowsky
Design Engineer
SEE Systems
1048 Irvine Ave Suite 217
Newport Beach, Ca. 92660
760-403-6810
"Building a Better Future For The Next Generation"
________________________________
From: Pekka Laine <pe...@photonsolarpower.com>
To: re-wrenches@lists.re-wrenches.org
Sent: Monday, June 17, 2013 10:33 AM
Subject: [RE-wrenches] Feeding 160A 3PH to a 800A/800A Main Service
Dear Fellow Wrenches,
We have a small 50kW 120/208V commercial job with five 9kW 3PH inverters, each
outputting max. 25A. We are landing those into a dedicated load center with
five 40A breakers. Doing the math, 5 x 25A x 1.25 = 156.25A, we would need a
160A breaker. This also equals to the maximum we can backfeed into a 800A/800A
Main Service on the load side according to the "120%" rule.
The problem now is that we cannot locate any kind of 160A breaker or even a
160A fuse for a AC disconnect.
Has anybody ever done this without doing a "line-side tap?" It is hard to
believe that there wouldn't be an existing solution to landing maximum PV into
a 800A service. Are we missing something?
Any good ideas or comments would be appreciated.
Sincerely,
Pekka Laine
President
Photon Solar Power Inc.
www.PhotonSolarPower.com
Cell. 760-556-8170
Toll Free 888-SUN-ACDC
CA Lic. #933648
NABCEP Certified PV Installer # 032611-174
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