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Bay Control for Sub-transmission Substations

Control solutions for sub-transmission applications assure safe and efficient operation of air and gas-insulated switch gears. Hitachi ABB Power Grids' 650 series of protection and control devices is a perfect fit for state-of-the-art solutions in sub-transmission systems. The REC650 control IEDs provide guided user interface, a wide range of control and supervision features as well as the possibility to integrate back-up protection within the same device.

Typical applications:

  • AIS and GIS sub-transmission substations
  • Single or double busbars 
  • H-configurations

Features

  • Guided local control of all motorized switching objects via HMI of the bay control IED
  • Two-step operation (select-before-operate)
  • Bay, station and double-operation interlocking
  • Station and double-operation interlocking information via hardwired station bus or IEC 61850 GOOSE messages
  • Primary and secondary system supervision and alarm visualization
  • Circuit breaker control and supervision
  • Disconnector and earthing switch control and supervision
  • IEC 61850-8-1 interface

Options:

  • Back-up protection in control IED
  • Combined main protection and control IEDs

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