Investigations of Corona Discharge Images for Rod-Rod Electrode System Under HVDC

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3 Citations (Scopus)

Abstract

This study presents the investigations of visual images originating from various corona discharge forms occurring under +DC and -DC voltages. The experimental setup included two hemispherical tip rod electrodes with a tip radius of 2 mm, and the gap spacing between them was set to 5 cm to observe corona discharge forms. The voltage was increased in steps, and a corona camera was used to determine the corona inception voltage. The transitions between different forms of corona discharges were observed. Images of corona discharges were taken at each voltage level using a digital single-lens reflex (DSLR) camera. Furthermore, the pulses generated by the corona discharges were examined using a high-frequency current transformer (HFCT) and a shunt resistor. The main objective of this investigation was to analyze the severity of corona discharge on the system based on the obtained corona images. Also, the usability of the HFCT and shunt resistors as measurement sensors was discussed.

Original languageEnglish
Title of host publication58th International Universities Power Engineering Conference, UPEC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350316834
DOIs
Publication statusPublished - 2023
Event58th International Universities Power Engineering Conference, UPEC 2023 - Dublin, Ireland
Duration: 30 Aug 20231 Sept 2023

Publication series

Name58th International Universities Power Engineering Conference, UPEC 2023

Conference

Conference58th International Universities Power Engineering Conference, UPEC 2023
Country/TerritoryIreland
CityDublin
Period30/08/231/09/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • HFCT
  • corona discharge detection
  • corona discharge modes
  • shunt resistor
  • visual image

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