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How do you calculate of power factor, if it is lagging or
leading for unit(1).
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Answer Posted / vishal ingle
we can calculate power factor using formula
P = SQRT(3)* V * I * COS(PHAI)
but for deciding whether leading or lagging p.f we need
complex power
i.e. KVA = KW + j*KVAR or KVA = KW - j*KVAR
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