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PCS-915SC Centralized Busbar Relay
  • The PCS-915SC centralized busbar relay is a compact and comprehensive busbar protection system which is adaptive to various busbar arrangements of various voltage levels. Based on optional relay hardware configuration, up to three devices can be cascaded, up to 5 zones, 32 bays (CT inputs) can be protected (one device can protect up to 8 bays; cascading of two devices can protect up to 20 bays; cascading of three devices can protect up to 32 bays).

  • Protection and Control Monitoring and Measurement Communication
    • Busbar current differential protection (87B)

    • Bus coupler/section protection

    • Feeder protection

    • Voltage and current drift auto adjustment

    • Frequency tracking

    • Dynamic busbar replica

    • CT circuit failure supervision

    • VT circuit failure supervision

    • Fault phase selection

    • Self diagnostic

    • Event recorder including 1024 change-of-binary-input events, 1024 supervision events, 256 control logs and 1024 device logs

    • Disturbance recorder including 32 disturbance records with waveforms (The format is compatible with COMTRADE.)

    • Clock synchronization using IRIG-B, SNTP, PPS (Pulse-Per- Second) and PPM (Pulse-Per-Minute) , IEEE1588

    • Up to four 10Base-T/100Base-TX copper Ethernet ports using IEC 61850, DNP3.0 or IEC 60870-5-103 over TCP/IP

    • Up to four 100Base-FX optical Ethernet ports using IEC 61850, DNP3.0 or IEC 60870-5-103 over TCP/IP

    • Two RS-485 serial ports using IEC 60870-5-103, DNP3 or Modbus

    • One RS-485 serial port for clock synchronization

    • Support GOOSE communication module using IEC 61850-8-1 GOOSE

    • Full compatibility between IEC 61850 Editions 1 and 2

    • Redundancy protocols PRP and HSR

    • Provide some function shortcuts key, which can be configured by PCS-Studio and be fulfilled by combination key of devices' keypad, to execute some operation quickly.

    • One front RJ-45 port for debugging

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