calculation of power factor

Thread Starter

freemanantony

Joined May 28, 2011
9
hello every one
i am doing a project for correcting power factor by switching on or off capacitor banks with 8051 microcontroller .but i dont know how to calculate power factor. can some one help me on this
 

Thread Starter

freemanantony

Joined May 28, 2011
9
power factor = apparent power /real power.
power factor = vi cos@/vi.
i think we can get apparent power by multiplying voltage and current in the circuit. but i don't know how to measure real power. can you help me?
 
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