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13 May 2024 Analysis of fuse failure of voltage transformer in a small resistance grounding system
Jufang Wei, Chuang Yao, He Zhang, Minghui Duan, Liqing Liu, Junji Feng
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Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131596V (2024) https://doi.org/10.1117/12.3024930
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China
Abstract
With the rapid development of urban power grid, the electricity load increases sharply, and the 10kV distribution grid becomes more and more complicated. The method of neutral grounding without grounding or through arc suppression coil can not meet the demand. The method of neutral grounding with small resistance is more and more widely used in 10kV distribution network because it can remove the fault quickly when single phase grounding occurs. In actual operation, the voltage transformer fuse will still be burned out. This paper introduces a failure of voltage transformer fuse due to cable fault, analyzes the reason in detail, and gives suggestions for the next step.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Jufang Wei, Chuang Yao, He Zhang, Minghui Duan, Liqing Liu, and Junji Feng "Analysis of fuse failure of voltage transformer in a small resistance grounding system", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131596V (13 May 2024); https://doi.org/10.1117/12.3024930
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KEYWORDS
Transformers
Resistance
Failure analysis
Power grids
Electromagnetism
Inspection
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