Study on Discharge Model and Swarm Parameters of C<sub>4</sub>F<sub>7</sub>N Considering Ion Kinetics

Mai HAO; Boya ZHANG; Peiqiong LIU; Xingwen LI

doi:10.13334/j.0258-8013.pcsee.240351

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Study on Discharge Model and Swarm Parameters of C₄F₇N Considering Ion Kinetics

High Voltage | 更新时间：2026-02-05

- Study on Discharge Model and Swarm Parameters of C₄F₇N Considering Ion Kinetics
- Proceedings of the CSEE Vol. 45, Issue 11, Pages: 4493-4502(2025)
- 作者机构：
  
  电工材料电气绝缘全国重点实验室(西安交通大学), 陕西省西安市 710049
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(52277162)
- DOI：10.13334/j.0258-8013.pcsee.240351
  CLC： TM213
- Received：06 February 2024，
  
  Published Online：31 May 2024，
  
  Published：05 June 2025
- 稿件说明：
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Mai HAO, Boya ZHANG, Peiqiong LIU, et al. Study on Discharge Model and Swarm Parameters of C₄F₇N Considering Ion Kinetics[J]. Proceedings of the CSEE, 2025, 45(11): 4493-4502.
DOI：

Mai HAO, Boya ZHANG, Peiqiong LIU, et al. Study on Discharge Model and Swarm Parameters of C₄F₇N Considering Ion Kinetics[J]. Proceedings of the CSEE, 2025, 45(11): 4493-4502. DOI： 10.13334/j.0258-8013.pcsee.240351.

摘要

为揭示C

N中电子解吸附等复杂离子动力学过程对放电特性的影响，以突破现有仅考虑电离与吸附过程的电子动力学模型在高气压条件下的适用性局限，该文首先在宽范围的约化场强和多个气压条件下进行C

N的脉冲汤逊实验，通过对实验波形的分析，建立考虑离子动力学的C

N放电模型；接着，建立考虑离子动力学的C

N电子崩时空发展理论模型，并结合遗传算法拟合电流波形，得到C

N在60 Pa~5 kPa范围内的反应速率系数；最后，提出一种考虑离子动力学的有效电离速率系数计算方法，并重新评估C

N的绝缘性能。结果表明，考虑离子动力学过程的模型能更准确反映C

N绝缘特性。

Abstract

This study aims to investigate the influence of complex ion k

inetic processes

such as electron detachment

on the discharge characteristics of C

in order to overcome the limitations of existing electron kinetics models

considering only ionization and attachment processes under high-pressure conditions. We first conduct pulsed Townsend experiments on C

N under a wide range of reduced electric field and various pressure conditions. Through detailed analysis of the waveforms

a discharge model for C

N considering ion kinetics is established. Subsequently

we develop a theoretical model for the spatiotemporal evolution of electron avalanche in C

N. By combining genetic algorithms to fit current waveforms

the reaction rate coefficients of C

N are obtained for pressures ranging from 60 Pa to 5 kPa. Finally

a method for calculating effective ionization rate coefficients considering ion kinetics is proposed

and the insulation performance of C

N is reevaluated. The results show that the model incorporating ion kinetic processes can more accurately reflect the insulation characteristics of C

关键词

Keywords

references

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Study on Discharge Model and Swarm Parameters of C4F7N Considering Ion Kinetics

DOI：10.13334/j.0258-8013.pcsee.240351

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Study on Discharge Model and Swarm Parameters of C₄F₇N Considering Ion Kinetics