Evidence map›Paper›PMID 40663591›Full record

ArticlePloS one2025

Classification of prestrike types in vacuum interrupter eroded by inrush current based on DC dynamic gap measurement method.

Pu Chen, Yun Geng, Jing Yan, Hannan Shan, Yan Wang, Zhiyuan Liu, Hanyan Xiao, Tianxin Zhuang

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Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Pu ChenState Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.ORCID https://orcid.org/0009-0008-9446-2228
Yun GengSchool of Electrical Engineering, Xi'an University of Technology, Xi'an, Shaanxi Province, People's Republic of China.
Jing YanState Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.ORCID https://orcid.org/0000-0002-8456-2056
Hannan ShanState Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.
Yan WangState Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.
Zhiyuan LiuState Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.
Hanyan XiaoState Grid Jiangsu Electric Power Co. Ltd. Research Institute, Nanjing, Jiangsu Province, People's Republic of China.
Tianxin ZhuangState Grid Jiangsu Electric Power Co. Ltd. Research Institute, Nanjing, Jiangsu Province, People's Republic of China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The characteristics and types of prestrike are critical factors affecting the performance of vacuum circuit breakers (VCBs) in controlled switching. However, there is a lack of studies on the prestrike characteristics and types in vacuum interrupter (VI) after inrush current erosion. This paper investigates the prestrike characteristics and types in VI after inrush current erosion, using a novel method for measuring field emission current under DC voltage. Through experiments, the prestrike characteristics after inrush current erosion were obtained, including prestrike dispersion and prestrike gap. Furthermore, based on the prestrike gap and field emission current, the prestrike types observed in the experiments were classified into three categories: field emission induced prestrike (FEPS), particle-induced prestrike (PPS) and field emission-particle induced prestrike (FE-PPS). The average prestrike gap for these three types were 1.525 mm, 3.809 mm, and 2.887 mm, respectively. PPS showed no significant field emission current, while the field emission current at prestrike moment for FE-PPS was approximately 48.89% of that observed in FEPS. These findings have important implications for the development of controlled switching technology in VCB.

Identifiers

PMID40663591
PMCPMC12262878

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.