how to caluculate APFC panel rating, my running Load is
1320KW, Present P.F 0.76 to 0.8 we need 0.98 p.f

Answer Posted / manish mangla

Actually it is very simple.You know the present pf and
desired pf too.so you can use the formula:

Kvar=kwh(tan(inverse)phi1-tan(inverse)phi2)

Phi1=actual or present pf
Phi2=desired pf

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