Wire sizing for emergency generator
Wire sizing for emergency generator
(OP)
I need help with sizing the electrical feeder from the emergency generator to the automatic transfer switch. It is for a 50KW 208V/3PH, 0.8 pf, natural gas unit. The cut sheet says 173 amps Standby and 139 amps Prime. What amperage do i size it for?
Thanks
Thanks





RE: Wire sizing for emergency generator
RE: Wire sizing for emergency generator
RE: Wire sizing for emergency generator
Bill
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"Why not the best?"
Jimmy Carter
RE: Wire sizing for emergency generator
to be suitable for 173.5*1.15=200 A.Now, it is not so simple since art.445.15 will send you to 220.61 and 250.30(A).
But in order to find the type and cross-section of the required cable you need other articles-and may be some other calculation. So waross
advice it seems to me suitable also.