Answer / chaitanya

to be straight answer ...power factor is the cosine of
angle between the voltage and current..but once check it
out for perfect answer

Answer / dav_gautam24

different between active power & reactive power

Answer / chandra

power factor gives us a measure of the energy that is stored
in the capacitors and inductors.Inductors and capacitors
doesn't dissipate energy but,they constantly gets charged
and discharged.So,the whole power transmitted by the power
company doesn't go the customers.i.e,they can't utilize the
maximum power capability of the line.
Power factor is also important in
calculating bus voltages in a load flow problem.

Answer / usman

it is ratio of active power to reactive power
alternatively
if all input power is converted into output power then p.f will be 1. VIZ not practically possible

Answer / marimuthu

power factor is nothing but a loss of energy

power factor is ratio of real power and reactive power

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