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Digital Solutions for HV Switchgear

Home > HV/MV Equipment > Gas-Insulated Substations > GIS Digital Solutions

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  GIS What is it (French)
  Operating Mechanism

GIS Digital Solutions
For electrical networks up to 800 kV

GE's GIS digital solutions meet the challenges of electrical networks up to 800 kV. The portfolio includes the BWatch digital gas monitor, PDWatch partial discharge monitor, RPH3 controlled circuit breaker switching as well as low power (non-conventional) current and voltage transformers.

BWatch provides digital gas monitoring for:

  • Insulating gas monitoring (density, pressure, temperature, trends, losses)
  • Internal arc localization
  • Operation monitoring (circuit-breaker, disconnector, earthing switch)

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PDWatch provides PD monitoring via UHF signals analysis for:

  • Off-line monitoring
  • Continuous on-line monitoring

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CBWatch Circuit Breaker Monitoring

  • Compact and modular online monitoring solution for high voltage circuit breakers
  • Improves operational availability with health and condition-based monitoring of key performance parameters
  • Able to detect even small SF6 leaks to optimize gas refill operations

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CSD100 Point-on-Wave Controller

  • Mitigate switching transients
  • Enables reliable connection of intermittent power generation sources to the grid
  • Provides advanced switching of reactive power compensation and long overhead lines

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RPH3 provides controlled switching of circuit-breakers for:

Note: GE's RPH3 controlled switching device has been phased-out and replaced by our new CSD100 advanced Point-on-Wave controller.

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Low-power (non-conventional) current and voltage transformers for:

  • Perfect alignment with Smart Grid concepts, through IEC standard communication protocols
  • Saturation-free behavior
  • Ability to cope with very high current dynamic
  • Personal safety