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GIS for digital substations

Advanced features to enable digital substations

Hitachi Energy's GIS can be equipped with control, protection and communication feature for smooth integration into substation automation systems using IEC 61850. 

For connection to the IEC 61850-9-2 process bus, low-power instrument transformer (LPIT) for GIS with merging units are used for sampled values for protection and metering. Alternatively, SAM600 stand-alone merging units can be connected to conventional current or voltage transformers of the GIS.

Hitachi Energy's Relion® series are used for protection, control, measurement and supervision. SF6 density in the GIS is supervised by modular switchgear monitoring (MSM) device while Switchsync™  PWC600 point-on-wave controllers are used for controlled switching and circuit breaker monitoring. Circuit breaker and gas density monitoring data can additionally be accessed via embedded web servers. All these features use IEC

Why Hitachi Energy?

  • Hitachi Energy is the pioneer in GIS technology with 50 years of proven experience
  • Hundreds of Hitachi Energy's LPIT have been in continuous service for more than a decade 
  • More than 25 years of experience and thousands of Switchsync controlllers installed in various applications and environments
  • Hitachi Energy offers a comprehensive portfolio of process and station bus compatible control and protection devices

 

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