Iq as you have learnt in Section 7 7, is called the wattless
component since corresponding to this component of current, there
is no power loss IP  is known as the power component because it is
in phase with the voltage and corresponds to power loss in the circuit It’s clear from this analysis that if we want to improve power factor,
we must completely neutralize the lagging wattless current Iq by an
equal leading wattless current I¢q