MRC TES - 3060 - To Improve Power Factor of a 3Φ4 W Power System; To Improve Power Factor of a 3Φ3 W Power System

2
6
5-3 To Improve Power Factor of a 3
φ
4W Power System

Calculate KVAR
R(L1)
, KVAR
S(L2)
, and KVAR
T(L3)
values of
each phase.

Based upon the calculated values, users can purchase
required 3
φ
or 1
φ
capacitor at rated voltage and frequency
to improve power factor.

If value of capacitance is needed, users can obtain the
value by the following equation.
Where
Capacitance (Farad) =
KVAR
fV
*1000
2
2
π
f
: f
requency in Hz, V: phase voltage

It is recommended that the KVAR value of the capacitor
should be a little less than the value measured.
5-4 To Improve Power Factor of a 3
φ
3W Power System

Calculate KVAR
3
φ
value of a balanced system.

Based upon the calculated value, users can purchase
required 3
φ
capacitor at rated voltage and frequency to
improve power factor.

If value of capacitance is needed, users can obtain the
value by the following equation.
Capacitance (Farad) =
KVAR
fV
*1000
2
2
π
where
f
: f
requency in Hz, V: line voltage

It is recommended that the KVAR value of the capacitor
should be a little less than the value measured.