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Coupling Capacitor Voltage Transformers up to 765 kV

Grid Solutions > HV/MV Equipment > Instrument Transformers > OTCF

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Coupling Capacitor Voltage Transformers up to 800 kV

In high and extra high voltage transmission systems, capacitor voltage transformers (CVTs) are used to provide potential outputs to metering instruments and protective relays. In addition, when equipped with carrier accessories, CVTs can be used for power line carrier (PLC) coupling.

Customer Benefits

  • Operational security
  • Superior transient response
  • Extensive field experience, including highly seismic regions
  • Operation as coupling capacitor for power line transmission
  • Robust, leak-proof design
  • Maintenance free
  • Easy transport and installation


  • 72.5 to 800 kV
  • Cn from 1,750 to 37,500 pF
  • Thermal capacity up to 1,500 VA
  • Oil expansion by stainless-steel bellows
  • High quality film / paper-synthetic fluid insulation
  • Porcelain or composite insulator
  • Carrier accessories on request
  • Compliance with IEC and IEEE or equivalent standards