Answer / annu singh

power factor is cosine value of angle between voltage and
current. is represents that votage is leading /lagging from
current or not.

Answer / tiger

PF IS THE RATIO OF ACTIVE POWER TO APPARENT POWER.

Answer / biswa

Pf is the co sine angle between voltage & current,it depends on kind of load ,if the angle is more gen "ll hv more current(actual +reactive current) un necesserily(kvar),which means same load more current,causes overheating of d/g,in case of comparatively less load over current trip will occur.

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