Power factor

AN4250

4/15

DocID024230 Rev 1

While the apparent power:

Equation 5

Due to equations

4 and 5, the power factor is:

Equation 6

The power factor depends on the phase displacement due to the contribute of the factor

ϕ

and on the harmonic content due to the contribute of the factor

ϑ.

I

V

eff

eff

S

=

ϕ

ϑ

ϕ

cos

cos

cos

.

.

1

=

=

I

I

eff

F

P