Under Load settings:
kW.
kVAr
(Ind)
kVAr
1.5 x smallest
Capacitor bank
PF
LOWER.
PF
UPPER.
kW
Under-
Load.
No change band.
Capacitor Addition band.
Power Factor Controller APFC 06
Under-Load kW value setting =
1.5 x Smallest Capacitor Bank kVAr.
[tan{cos
-1
(PF
UPPER
)} + tan{cos
-1
(PF
LOWER
)}]
For PF
UPPER
Capacitive and PF
LOWER
Inductive :
For PF
UPPER
Inductive and PF
LOWER
Inductive :
Under-Load kW value setting =
1.5 x Smallest Capacitor Bank kVAr.
[tan{cos
-1
(PF
LOWER
)} – tan{cos
-1
(PF
UPPER
)}]
Under-Load kW value setting =
1.5 x Smallest Capacitor Bank kVAr.
[tan{cos
-1
(PF
UPPER
)} – tan{cos
-1
(PF
LOWER
)}]
For PF
UPPER
Capacitive and PF
LOWER
Capacitive:
- 23 -
kVAr
(Cap)
Capacitor Addition band.
Capacitor Removal band.
