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Ramchandra Reddy, A.
- Insulation Coordination of a UHV AC Transmission Line Considering the Switching Overvoltage Waveshape
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Authors
Affiliations
1 Department of Electrical and Electronics Engineering, Mahatma Gandhi Institute of Technology, Hyderabad – 500075, IN
1 Department of Electrical and Electronics Engineering, Mahatma Gandhi Institute of Technology, Hyderabad – 500075, IN
Source
Power Research, Vol 18, No 2 (2022), Pagination: 93-99Abstract
This paper presents the determination of insulation coordination for phase-to-ground switching over voltages by a practical method in which the effect of the switching overvoltage waveshape, especially the impact of the time to crest on insulation strength is considered. This work is carried out on the world’s first 1200 kV transmission line by modelling it in PSCAD.Keywords
Insulation-Coordination, Line Energization, Line Re-Energization, SSFOR, UHV AC Transmission.
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