intelligent-power-factor-correction-controller

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Products Code : iPFC

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Features:

Three phase sensing.
Intelligent power factor controlling on the capacitor bank switching history (no. of operation, ON time), improves capacitor lifespan.
6 or 8 or 12 switching relay O/Ps.
Automatic or manual control (manual control with power backup option).

User programmable:

STAR/DELTA
Lead & Lag times
PT & CT ratios
CT secondary
Minimum switch ON time (4-999 sec.)
Minimum discharge time (4-999 sec.)
Minimum capacitor ON time (4-999 sec.)
Minimum sensing current for controlling operation 100 to 500mA
User programmable capacitor value
Fault detection (over/under compensation, over/under voltage & current, over harmonics for voltage & current.
Displays VLL, VLN, A(avg & phase wise), Hz, W, VA, PF and PF(avg), VAR(total & phase wise), Wh.
4 quadrant operations.
RS485 communication interface (optional).

Technical Specifications:

Accuracy	Class 1.0 (default), Class 0.5 (optional on request)
Sensing/measurement	True RMS, 1 sec. update time, 4 quadrant power & energy
Input Voltage	4 voltage I/Ps (VR, VY, VB, VN) programmable 110 or 415VLL Nominal (range 80-500VLL) primary programmable up to 999kV. Burden: 0.2VA max. per phase
Input Frequency	45-65Hz
Input Current	3 I/P currents (AR, AY, AB) 50mA-6A (field configurable 1A or 5A), primary programmable up to 99kA. Overload: 10A max. continuous, 50A max. for 3 sec. burden: 0.2VA max. per phase
Aux. Supply	Control power: 180-300V AC/DC 40-70Hz Burden: 10VA max.
Display Resolution	1 row, 6 digits, 10mm
CT/PR ratio max.	2000MVA programmable
Communication	Master to PC RS485 serial channel connection, industry standard MODBUS RTU protocol (RS232 optional) Baud rate: 4800 to 19200bps (preferred 9600bps) Isolation: 2000V AC isolation for 1 minute between communication and other circuits
Contact Rating	SPST, 2A @ 240V

Applications:

Advantages:

Three phase sensing gives accurate measurement of PF.
Fault detection (over/under compensation, over/under voltage & current, over harmonics for voltage & current.
Automatic or manual control (manual control with power backup option).
Increase capacitor’s life – capacitor switching based on history – ON time/no. of switching.

Intelligent Power Factor Correction Controller