Question

What is active power and reactive power and apparent power?

Answer 1

Apparent power is conventionally expressed in volt ampere since it is the product of RMS voltages and RMS current the unit of reactive power is expressed asvar which stands for volt ampere reactive since reactive power transfer no net energy to load it is sometimes called wattless power


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Answer 2

Answer:

Reactive power does not do any work, so it is represented as the imaginary axis of the vector diagram. Active power does do work, so it is the real axis. The unit for power is the watt (symbol: W). Apparent power is often expressed in volt-amperes (VA) since it is the product of rms voltage and rms current.