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PCS-9631 Capacitor Relay
  • The PCS-9631 relay is a comprehensive protection, control and monitoring unit for shunt capacitor bank on solidly grounded, impedance grounded, Peterson coil grounded and ungrounded system. The PCS-9631 features high performance functional library, programmable logic, configurable I/O and integrated frequency-tracking.

    The PCS-9631 can fully support the IEC61850 communication protocol and GOOSE function, and can completely meet customer demands.

  • Protection and Control Monitoring and Metering Communcation
    • ŸFour-stage overcurrent protection. (50P/51P)

    • ŸRMS overcurrent protection. (51RMS)

    • ŸSix-stage zero sequence overcurrent protection. (50/51G)

    • ŸUnbalance current protection. (60P/G)

    • ŸThermal overload element. (49)

    • ŸNegative sequence overcurrent protection. (46)

    • ŸUndercurrent protection. (37)

    • Breaker failure protection. (50BF)

    • Two-stage undervoltage protection and two-stage over voltage protection. (27/59)

    • ŸPhase voltage differential protection. (87V)

    • ŸNeutral voltage differential protection. (87VN)

    • ŸMechanical Protection (MR)

    • Remote and local tripping/closing of breaker.

    • ŸVoltage and current drift auto adjustment.

    • ŸFrequency tracking.

    • Metering of current, voltage, active power, reactive power, power factor, energy, frequency, harmonic.

    • ŸCircuit breaker monitoring.

    • ŸCT failure supervision.

    • ŸVT failure supervision.

    • ŸTripping circuit supervision.

    • Self diagnostic.

    • ŸFault Recorder.

    • ŸTotal 1024 SOE, including tripping, alarm, binary input change and human operation reports.

    • User-configurable high resolution oscillography of last 4 oscillograms. (Compatible with COMTRADE format)

    • ŸUp to four 10Base-T/100Base-TX (RJ45) ports or two 100Base-FX ports with IEC 61850-8-1 MMS and GOOSE for non-time-critical message, IEC 60870-5-103 over TCP/IP or DNP 3.0

    • ŸTwo RS-485 rear ports with IEC 60870-5-103

    • ŸUp to Six 100Base-FX ports with IEC 61850-9-2 Sampling Value and GOOSE for time-critical message

    • ŸOne RS-485 rear port for clock synchronization

    • ŸOne RS-232 rear port for printer

    • Ÿ1 faceplate RJ45 port for testing and setting

    • ŸClock synchronization via pulse, IRIG-B and SNTP

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