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Bay Control for GIS Transmission Substations

The control solution ensures safe and reliable control of GIS substations on transmission levels. It includes all components needed for the local supervision and control of a complete feeder and provides remote access interfaces.

The proven local control solutions combine the modern bay control IED REC670 with heavy-duty components to guarantee the highest operational security and availability. The local control cubicles are installed next to the GIS switchgear or are an integral part of the switchgear to enable space-optimized substations with minimum installation time.

Typical applications:

  • GIS transmission substations
  • Single or double busbars
  • One and a half breaker configurations

Features:

  • Guided local control of all motorized switching objects via HMI of the REC 670 bay control IED
  • Emergency control of all motorized switching objects, independent of the bay control IED
  • Secure two-step operation (select-before-operate)
  • Hardwired / software bay interlocking
  • Station and double-operation interlocking information via hardwired station bus or IEC 61850 GOOSE messages
  • SF6 density supervision
  • Primary and secondary system status supervision and alarm visualization
  • Circuit breaker control and supervision
  • IEC 61850-8-1 interface

Options:

  • Transformer voltage regulator
  • Detailed gas compartment alarm indication
  • Back-up protection integrated in bay control IED
  • Integration of non-conventional instrument transformers or stand-alone merging units using IEC 61850-9-2 process bus

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