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 Energy's 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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