Suitable for switching IN/OUT
capacitors through contractors
Control either in Auto or Manual
Optimum user of capacitor banks for
increased life through cyclic switching
Adjustable connecting delay and reconnecting delay between the steps to suit the load changes
Selection of Capacitor Program
Entry of minimum Capacitor in kVAr
Alarm against over voltage, over current and over/under compensation
THD measurement and alarm(optional)
Applications
Power Factor Improvement in main incomers
Wind Turbine Generators
Hi-tech Software Parks, Buildings
and Shopping Malls
Steel Rolling Mills and Process Industries
Technical Specification
Type: ICD POWER FACTOR CONTROLLER
Model No. : PFC 9055
Voltage Input : 3 Phase 415V 50Hz for LT and 3 phase 110V 50Hz for HT
Burden : Less than 0.2 VA
Frequency : 40.00 to 60.00 Hz
Current Input : 1A / 5A from all the 3 Phase through current transformers
PF Measurement Range : For all 4 Quadrants
PF Measurement Accuracy: ±1% (+2 least digit)
PF Indicating Resolution : 0.01
PF Setting Range : 0.80 lag to 0.95 lead
PF Setting Accuracy : 0.01
Display : 7 Digit 0.5" seven segment Red LED
Parameter Displayed : Actual PF, Set PF, Actual kVAr and kVAr required to achieve set PF
Possible Program sequence Of capacitor banks: a) 1:1:1:1:1, b) 1:1:2:2:2 c) 1:2:2:2:2, d) 1:2:4:4:4, e) 1:2:4:8:8
Number of Steps : 4/6/8/12 in the form of output
relays with NO contacts to
operate the contactors
Output Relay : 3A at 240 VAC
NO contact Rating
Auxiliary Supply : Self Powered
Capacitor Connection : 5 to 240 Seconds adjustable
Reconnection delay
Control Operation : a) Switching IN when the lag
required kVAr value is more
than 70% of the 1st capacitor
value
b) Switching OUT when the
lead required kVAr value is
more than 70% of the 1st
capacitor value
Keypad for setting and selection: Index, Increment, Shift and Enter keys for setting PF,
display and manual operation
Alarms with relay output : a) Over Voltage 115% of the
rating
b) Over Current 110% of the
rating
c) Over / Under compensation
d) THD more than set point
(optional)
Output Relay ON
and manual: By LED indications
Operating Temperature : 55° C Enclosure
Dimensions : a) Bezel 144(H) x 144(W) mm
b) Cut out 136(H) x 136(W)mm
c) Depth 150 mm
