DC maximum power method applies to dc
systems rated up to 1000 V.
where:
Iarc = arcing current amperes
Ibf = system bolted fault
current amperes
IEm = estimated dc arc flash incident energy
at the max. power point cal/cm2
Vsys = system voltage volts
Tarc = arcing time sec
D = working distance cm
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| Simplify DC Circuit |
