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Engineering Design and Primary Experiment Study of a 2.6-MV Field-Distortion Oil Switch

  • Yixiang Hu
  • , Hao Wei
  • , Ai'ci Qiu
  • , Jiangtao Zeng
  • , Fengju Sun
  • , Peitian Cong
  • , Xinjun Zhang
  • , Weibo Yao
  • , Shi Yang
  • Xi'an Jiaotong University
  • Northwest Institute of Nuclear Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A 2.6-MV field-distortion oil switch was developed and tested. Engineering design theories of this switch, including electrode areas, oil anode-cathode (A-K) gaps, insulator-surface electric field, and A-K gaps of the pre-gas switch, were described in detail. Structure designs of the switch were presented. Electric-field distributions of the oil A-K gap and insulator surface were analyzed and discussed. Also, switch breakdown processes were estimated. Finally, performances of this switch were tested on the "JianGuang-I" facility (2.3MV/350ns). Preliminary experiment results show that with a 250kV trigger voltage, the switch-breakdown time delay is about 132ns and its jitter (the standard deviation) is less than 4.4ns.

Original languageEnglish
Article number006121
Pages (from-to)1978-1984
Number of pages7
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume24
Issue number4
DOIs
StatePublished - 2017

Keywords

  • Electric field effects
  • High-voltage techniques
  • Jitter
  • Oil insulation
  • Time-delay arrays

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