Frequency Spectrum Analysis of Radiated Partial Discharge Signals

Research output: Contribution to conferencePaperpeer-review


Partial discharge is measured simultaneously using free-space radiometry (FSR) and a contact measurement technique based on the IEC 60270 standard. The PD source is a specially constructed emulator of the floating-electrode type. The power supply applied to the source is DC. The radiated signal is captured using a biconical antenna and the frequency spectrum is obtained by FFT analysis of time-domain pulses. The relative spectral densitiesin the frequency bands 50 MHz - 290 MHz, 290 MHz
- 470 MHz and 470 MHz – 800 MHz are determined.
Original languageEnglish
Publication statusPublished - 28 Sept 2016


  • partial discharge
  • free space radiometric measurement
  • IEC 60270
  • PD spectral density


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