REXROTH IndraDrive C - Page 270

15-12 Calculations Rexroth IndraDrive
DOK-INDRV*-SYSTEM*****-PR02-EN-P
Power Factor cosϕ or TPF (λ)
The power factor cosϕ or TPF is used for rating mains components
(transformer, fuse etc.):
S
ne
tz
Pnetz
TPF ===
ϕλ cos
Pnetz: effective mains power
Snetz: apparent mains power
Fig. 15-32: Power Factor cos ϕ / TPF/ λ
Note: Only for sinusoidal values does the power factor cosϕ equal
the total power factor TPF (λ).