Analysis of Partial Discharge Behaviour under Staircase-based Sinusoidal Voltage Waveforms

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Abstract

This paper presents a comparison in Partial Discharge (PD) behaviour when an air corona setup is subjected to different waveforms, namely an idealized 50 Hz sinusoidal and staircase-based sinusoidal waveforms near inception voltage and at a higher voltage. In this study, it has been observed that the PD repetition rate and the Phase-Resolved PD (PRPD) pattern with the staircase waveform better resemble that of a pure sinusoidal waveform if the number of voltage levels of the staircase waveform is sufficiently increased. When observed more closely at the PRPD pattern near inception voltage, PDs tend to occur near the slope of the staircase waveform, even when the step voltage is small.
Original languageEnglish
Title of host publication2020 IEEE 3rd International Conference on Dielectrics (ICD)
PublisherIEEE
Pages894-897
Number of pages4
ISBN (Electronic)978-1-7281-8983-3
ISBN (Print)978-1-7281-8984-0
DOIs
Publication statusPublished - 2021
EventIEEE International Conference on Dielectrics 2020 - Virtual Edition, Valencia, Spain
Duration: 5 Jul 202031 Jul 2020
https://ieee-icd.org/

Conference

ConferenceIEEE International Conference on Dielectrics 2020
Abbreviated titleICD 2020
CountrySpain
CityValencia
Period5/07/2031/07/20
Internet address

Keywords

  • Air corona
  • MMC-based HV test source
  • Partial Discharges
  • Staircase waveforms

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