9230/25/1-PD Coupling Capacitor


9230-25-1-PD coupling capacitor

The 9230/25/1-PD is a 25 kV coupling capacitor with an integrated measuring impedance and high voltage filter in a compact design for partial discharge measurements. It is optimized for measuring partial discharges together with the PD detector DDX 9121b. An incorporated half-T filter on the high voltage electrode attenuates the interferences coming from the power supply and increases the sensitivity of the PD measuring circuit. The filter is protected from over-voltage by a mechanical spark gap.

DATA SHEET:      9230/25/1-PD Coupling Capacitor

9230/25/1-PD Features

  • All in one solution including the coupling capacitor, measuring impedance, and HV filter
  • Rated for 25 kV test voltage
  • Rated coupling capacitance of 1.3 nF
  • PD free (< 1 pC)
  • Accurate voltage synchronization signal to PD detector at external test voltages > 50 V
  • Outputs for PD pulses and voltage synchronization
  • Portable and perfect solution for on-site measurements of rotating machines (together with MIDAS 2881 / 2881G and DDX 9121b)

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