| TECHNICAL DATA SHEET |
Rated Voltage |
440 Volts + 10% (nominal variation) |
Rated Frequency |
50 Hz + 2% (nominal variation) |
Over Voltage |
 |
105% continuous |
|
110% for 8 hours daily |
|
120% for 5 minutes |
|
130% for 1 minute |
Overload |
200% the rated current continuously |
Configuration |
Delta |
Basic insulation level |
3.0 kV rms (1 minute) |
Capacitance rating tolerance |
+ 5% |
Pick up Current of Relay |
20 mA |
Relay Sensitivity |
10 mA |
Controller Switching Logic |
Universal without any time delay |
P.F Measurement |
Micro Processor based four quadrant APFC Relay |
Voltage for Auxiliary Circuits |
230 V, 50 Hz |
Relay Current Input Signal |
By C.T on line …/5A or …/1A |
Relay Voltage input |
230 / 400 Volts |
Service |
Continuous |
Installation |
Indoor |
Inpanel Temperature Class |
0° C to + 60° C |
Altitude |
Upto 1000 meters above msl |
Type of Capacitors |
Dry, Self-Healing, Heavy Duty, Cylindrical, Metallised polypropylene capacitors with overpressure disconnector and external discharge resistors. |
Dielectric Loss of Capacitors |
< 0.2 Watts per KVAR & < 0.5 Watts per KVAR with discharge resistors. |
Inrush current withstand capability of capacitors |
> 300 times the rated current. |
Metering |
Digital Voltmeter & Ammeter
Optionally – Power Meter. |
Panel Protection |
Protection against: |
|
Over-Load. |
|
Short Circuit. |
|
Earth Fault. |
Alarm Signals |
Low Voltage, Over Voltage, Low Current, High Current, Undercompensation, Insufficient capacitor power, Supply of Real Power, Harmonic Threshold, )vertemperature |
Capacitor Step Switching Assembly |
|
1600 Volts PIV Thyristors. |
|
Point on Wave Switching. |
|
Opto coupled Trigger Circuit. |
|
Temperature rise alarm / trip options. |
Protection Devices |
MCCB ensures adequate overload & short circuit protection, current limiting feature and single phasing prevention. |
Scope of Supply |
|
Thyristor Switched capacitor panel complete with Busbars, LT power factor correction capacitors, MCCB, Thyristors, Trigger & contol circuitry , CTs, PTs for internal control completely wired inside powder coated panels.
|
|
Supervision of Erection & Commissioning. |
Operating Conditions |
The DPFC system is designed for safe and reliable operation in electrical installations with VTHD< 5% and ITHD< 8%. |
