Power factor is real power over apparent power¶

Power factor of an AC circuit is a dimensionless physical quantity expressing the circuit’s efficiency. It is the ratio of real power to apparent power of the circuit.

Links:

Wikipedia.

apparent_power¶: Apparent power of the circuit, which is the absolute value of the complex power.

Symbol:: S
Latex:: \(S\)
Dimension:: power

real_power¶: Real power, or active power, of the circuit.

Symbol:: P
Latex:: \(P\)
Dimension:: power

power_factor¶: power_factor of the circuit.

Symbol:: pf
Latex:: \(\mathrm{pf}\)
Dimension:: dimensionless

law¶

pf = P / S

Latex:: \[\mathrm{pf} = \frac{P}{S}\]