Transactions of China Electrotechnical Society  2017, Vol. 32 Issue (2): 70-76    DOI:
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Study and Application of the Multi-Gap for Gas Discharge
Li Xiangchao, Zhou Zhongshan, Chen Puyang, Li Pengfei, Chen Zehuang
Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration Nanjing University of Information Science and Technology Nanjing 210044 China

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Abstract  For solving the problems of high breakdown voltage and power-flow current in the gas discharge tube applied in lightning protection, a multi-gap model for gas discharge was constructed based on Townsend theory and Parson's law. Moreover, the breakdown voltage of the proposed model is β (β<1) times the breakdown voltage of the ordinary single gas discharge tube. The lighting current impacting experiment was carried on the multi-gap discharge tube. The conclusions can be drawn as follows. The breakdown voltage of the proposed model is 5 times less than that of the traditional gas discharge tube, and the response time can be shorten to 200ns. Furthermore, the rising rate of residual voltage can be reduced to 0.3kV·μs-1. Besides, the multi-gap gas discharge model can reduce or even remove the power-flow current within a certain range of lightning current.
Key wordsMulti-gap      for      gas      discharge      breakdown      voltage      lightning      current      response      time      delay      rising      rate      of      residual      voltage      power-flow      current     
Received: 24 December 2014      Published: 08 February 2017
PACS: TM862  
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Li Xiangchao
Zhou Zhongshan
Chen Puyang
Li Pengfei
Chen Zehuang
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Li Xiangchao,Zhou Zhongshan,Chen Puyang等. Study and Application of the Multi-Gap for Gas Discharge[J]. Transactions of China Electrotechnical Society, 2017, 32(2): 70-76.
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