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  • PCS-223 CB Online Monitoring Unit

  • The PCS-223 circuit breaker(CB) online monitoring unit provides the online monitoring of circuit breaker and switches in the digital substations at all voltage levels. It can locally collect the operation signals of circuit breakers and switches and send the data to the substation automation system. The device supports IEC61850-9-1 MMS and GOOSE.

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  • Acquisition and supervision of SF6 pressure.
    This device acquires SF6 pressure via sensor and issue an alarm if it exceeds the threshold.
  • Acquisition and supervision of SF6 temperature.
    This device acquires SF6 temperature via sensor and issue an alarm if it exceeds the threshold.
  • Acquisition and supervision of SF6 moisture
    This device acquires SF6 moisture via sensor and issue an alarm if it exceeds the threshold.
  • Acquisition of circuit breaker energy charging.
    This PCS-223 provides the realtime monitoring of circuit breaker energy charging motor current. If an abnormal operation current is detected, the device will issue an alarm, and trip the motor operating circuit selectively.
  • Acquisition of motor current for isolator.
    This PCS-223 provides the realtime monitoring of motor current for isolator. If an abnormal operation current is detected, the device will issue an alarm, and trip the motor operating circuit selectively.
  • Monitoring of circuit breaker operation characteristics.
    The device acquires the operation curve of circuit breaker via offset sensor to detect the potential problem of circuit breaker, and to issue an alarm.
  • Mechanical service life of circuit breaker.
    The device can count the numbers of circuit breaker operations.
  • Electrical service life of circuit breaker.
    The PCS-223 can estimate the remaining electrical service life of circuit breaker through the monitoring of primary current.
  • PCS-223A is a new generation intelligent online device that fully supports digital substation. This device adopts latest UAPC platform developed by NR and supports GOOSE and MMS communication.
  • UAPC platform is designed for service life up to 10-15 years. Device cards can be smoothly upgraded as required and consistent with the platform, so as to provide long-term stable guarantee of user equipment investment.
  • The device adopts high performance DSP, high-speed internal bus, modular design of hardware and software, and flexible configuration. It features general purpose cards and software modules, easy expansion, easy maintenance, fewer types of spares, and easy replacement.
  • The device adopts fully sealed, high impedance, low power consumption imported relays, to reduce device power consumption and heat generation, and improve device safety.
  • Flexible communication mode is provided with 2 independent optical Ethernet interfaces and 1 RS-232 debugging port. New generation substation communication standard IEC61850 is supported.
  • Fiber optical IRIG-B code timing is supported and 1 fiber optical IRIG-B time code input interface is provided (also supporting PPS).
  • Latest local 256 operation reports can be recorded.
  • This device adopts integrated and fully enclosed chassis, so that resistance to interference reaches highest grade of various EMC standards.
  • This device has passed severe high temperature test, low temperature test, and EMC test, and can operate in severe outdoor environment.