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Volume 14
Issue 24
10.3390/electronics14244846
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

On-Site Lightning Impulse Test and Process Optimization Research on Distribution Network Equipment

by
Cheng Zhong
1,
Feng Chen
1,
Haifeng Chen
2,
Yu Tian
2,
Wenyan Zhao
1,
Dianxiong Tian
1,
Jin Li
1 and
Yujian Ding
2,*
1
State Grid Jibei Electric Power Co., LTD. Tangshan Power Supply Company, State Grid Corporation of China, Tangshan 063000, China
2
School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
*
Author to whom correspondence should be addressed.
Electronics 2025, 14(24), 4846; https://doi.org/10.3390/electronics14244846
Submission received: 19 November 2025 / Revised: 4 December 2025 / Accepted: 8 December 2025 / Published: 9 December 2025
(This article belongs to the Special Issue Risk Assessment and Reliability-Centered Optimization for Asset Management and Maintenance Strategies in Renewable-Pentrated Power Systems)
Versions Notes

Abstract

Lightning impulse tests are conducted on distribution equipment to assess whether the insulation level meets factory standards and to identify potential insulation defects. Such tests enhance the safety and stability of distribution network operation. Firstly, in order to address the issue of complex types and diverse structures of distribution network equipment, by using portable lightning impulse generators and adopting the method of automatically generating test reports, the requirements for test sites and test procedures have been simplified. Secondly, the generation and regulation of standard lightning waveforms were analyzed, and the influencing factors were pointed out. Finally, several distribution equipment such as disconnectors were subject to on-site impulse tests in accordance with the standards, and the general process of on-site standard lightning impulse tests was summarized.
Keywords: transformer; electrical equipment; lightning impulse; insulation withstand voltage test transformer; electrical equipment; lightning impulse; insulation withstand voltage test

Share and Cite

MDPI and ACS Style

Zhong, C.; Chen, F.; Chen, H.; Tian, Y.; Zhao, W.; Tian, D.; Li, J.; Ding, Y. On-Site Lightning Impulse Test and Process Optimization Research on Distribution Network Equipment. Electronics 2025, 14, 4846. https://doi.org/10.3390/electronics14244846

AMA Style

Zhong C, Chen F, Chen H, Tian Y, Zhao W, Tian D, Li J, Ding Y. On-Site Lightning Impulse Test and Process Optimization Research on Distribution Network Equipment. Electronics. 2025; 14(24):4846. https://doi.org/10.3390/electronics14244846

Chicago/Turabian Style

Zhong, Cheng, Feng Chen, Haifeng Chen, Yu Tian, Wenyan Zhao, Dianxiong Tian, Jin Li, and Yujian Ding. 2025. "On-Site Lightning Impulse Test and Process Optimization Research on Distribution Network Equipment" Electronics 14, no. 24: 4846. https://doi.org/10.3390/electronics14244846

APA Style

Zhong, C., Chen, F., Chen, H., Tian, Y., Zhao, W., Tian, D., Li, J., & Ding, Y. (2025). On-Site Lightning Impulse Test and Process Optimization Research on Distribution Network Equipment. Electronics, 14(24), 4846. https://doi.org/10.3390/electronics14244846

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