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

Pu Chen1, Yun Geng2, Jing Yan1

  • 1State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.

Plos One
|July 15, 2025
PubMed
Summary

This study investigates prestrike characteristics in vacuum interrupters after inrush current erosion. It classifies prestrike types into field emission induced, particle-induced, and combined, offering insights for vacuum circuit breaker controlled switching.

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