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:

1. 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:

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