High Voltage Resources

Corona Seminar 2023

Seminar summary and real-life Corona camera video

Corona imaging, for high voltage electrical power networks, creates an electronic image of corona discharge activity using UV light generated by the impact of excessive electric field stress on air. An essential tool for the management of MV & HV lines.

Filmed with CoroCAM8HD Corona Camera by Trevor Lord, by Courtesy of the University of Canterbury HV lab, Dec 2023

Illustration of the Capability of a Corona Camera to Image Shunt Arcing on Cracked 11kV Porcelain Insulators

22 December 2023

Filmed with CoroCAM8HD Corona Camera by Trevor Lord, by Courtesy of the University of Canterbury HV lab, Dec 2023

Illustration of Range of False Colouring Options for Imaged Corona

22 December 2023

Filmed with corona on a 220kV AC Polymer Insulator.

Tested with CoroCAM8HD Corona Camera by Trevor Lord, by Courtesy of the University of Canterbury HV lab, Dec 2023.

Illustration of the Capability of a Corona Camera to Image Vegetation-Induced Shunt Arcing on 11kV Lines

22 December 2023

Filmed with CoroCAM8HD Corona Camera by Trevor Lord, by Courtesy of the University of Canterbury HV lab, Dec 2023

220kV AC Polymer Insulators, Contrasting Absence & the Presence of a Correctly Fitted Corona Ring

21 December 2023

Tested with CoroCAM8HD Corona Camera by Trevor Lord, by Courtesy of the University of Canterbury HV lab, Dec 2023.