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PCS-986 Disturbance Fault Recorder
  • The PCS-986 disturbance & fault recorders are designed to record electrical parameters of generator-transformer units and operation processes in the protection& control devices of power plants. The device adopts unit architecture so that hardware and software can be flexibly assembled and upgraded in the future.

  • Communications Auxiliary Function Recording Functions
    • 1 RJ45 Ethernet port which complies with IEC60870-5-103 andIEC61850 protocol

    • 1 RS-485 serial port used for GPS time synchronization

    • 1 RS-232 serial port used to test and configure device

    • 1 Ethernet interface used for FTP service of continuous recording and real-time waveform display

    • Self diagnostic test

    • Loss of DC power supply alarm

    • Hardware circuit online detection

    • Support IRIG-B time synchronization

    • Self diagnostic test

    • Loss of DC power supply alarm

    • Hardware circuit online detection

    • Support IRIG-B time synchronization

    • Initiating recording based on AC voltage

    Phase voltage sudden change

    Positive-sequence voltage sudden change

    Zero-sequence voltage sudden change

    • Initiating recording based on AC current

    Phases current sudden change

    Positive-sequence current sudden change

    Zero-sequence current sudden change

    • Initiating recording based on AC voltage out-of-limit

    • Initiating recording based on AC current out-of-limit

    • Initiating recording based on positive-sequence and negative-sequence component out-of-limit

    • Initiating recording based on DC sudden change or DC component out-of-limit

    • Initiating recording based on frequency out-of-limit and sudden changes

    • Initiating recording based on third harmonic out-of-limit

    • Initiating recording based on over-excitation out-of-limit

    • Initiating recording based on reverse power out-of-limit

    • Initiating recording based on low-frequency overcurrent or zero-sequence voltage for startup/shutdown

    • Initiating recording based on differential current of the main transformer, step-down transformer, generator or excitation transformer

    • Initiating recording based on binary input

    • Initiating recording based on system oscillation

    • Initiating recording manually

    • Initiating recording remotely

    • Continuous recording (24hours of uninterrupted recording)

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