Citra Wahana Sekar Buana


Protection & Control Systems

  • Voltage and frequency protection
  • Applicable to 1-phase input(single phase-to-phase voltage and single phase-to-neutral voltage),2-phase input(two phase-to-phase voltage and two phase-to-phase voltage with zero phase voltage)and 3-phase input(three phase-to-phase voltage,three phase-to-neutral voltage and three phase-to-neutral voltage with zero phase voltage)
  • Feeder manager device with CB control function,43R/L switch and comprehensive supporting functions
  • Compact and cost-effective design
  • Elementary,environmentally-friendly,easy to use and enhanced product concepts

GRE130 Voltage and frequency protection and control

The GRE130 is a fully numerical multi-function voltage protection device designed for various applications in MV networks,drawing on proven technologies developed over more than 100 years,and providing a comprehensive range of protection and control functions. This compact and cost-effective device can be applied not only as feeder protection but also as a load shedding function with under-frequency and rate of change of frequency relays,and back-up protections for HV feeder,transformer and machines.

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