Electrical Field Simulation and Analysis of 1200 kV High-voltage Controllable Ignition Device

JIANG Yuhang; LIU Siyi; FU Zhengcai; LIU Yakun

doi:10.13296/j.1001-1609.hva.2021.02.008

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Electrical Field Simulation and Analysis of 1200 kV High-voltage Controllable Ignition Device

更新时间：2025-04-26

- Electrical Field Simulation and Analysis of 1200 kV High-voltage Controllable Ignition Device
- High VoltageApparatus Vol. 57, Issue 2, Pages: 48-55+62(2021)
- 作者机构：
  
  1. 上海交通大学电气工程系电力传输与功率变换控制教育部重点实验室
  2. 国网电力科学研究院武汉南瑞有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.02.008
  CLC： TM643
- Published：2021
- 稿件说明：
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[1]姜宇航,刘思逸,傅正财,刘亚坤.1200 kV高压可控点火装置的电场仿真计算与分析[J].高压电器,2021,57(02):48-55+62.

JIANG Yuhang, LIU Siyi, FU Zhengcai, et al. Electrical Field Simulation and Analysis of 1200 kV High-voltage Controllable Ignition Device[J]. High voltageapparatus, 2021, 57(2): 48-55+62.
[1]姜宇航,刘思逸,傅正财,刘亚坤.1200 kV高压可控点火装置的电场仿真计算与分析[J].高压电器,2021,57(02):48-55+62. DOI： 10.13296/j.1001-1609.hva.2021.02.008.

JIANG Yuhang, LIU Siyi, FU Zhengcai, et al. Electrical Field Simulation and Analysis of 1200 kV High-voltage Controllable Ignition Device[J]. High voltageapparatus, 2021, 57(2): 48-55+62. DOI： 10.13296/j.1001-1609.hva.2021.02.008.

摘要

为满足特高压开关设备大容量合成试验的要求

需研制1 200 k V高压可控点火装置。采用三球体、双间隙结构有望大幅降低制造难度

缩减生产周期和成本。为论证这种三球体、双间隙结构点火装置的可行性

现对其电场分布进行了建模仿真分析。仿真及分析结果表明

1 200 k V高压可控点火装置采用三球体、双间隙的结构能有效起到分压作用

使电场的分布更为均匀。在额定工况下

当球径为1 500 mm的点火球的球隙间距为500 mm时

球隙间的最大场强为1.747 kV/mm

符合绝缘要求

且静态安全系数达到1.5倍以上。球隙间距对电场分布的影响反映在分布电容变化上

高压侧球隙间距对电位分布的影响更加显著。

Abstract

To meet the requirements of large capacity synthesis test for EHV switching equipment

it is necessary todevelop a 1 200 k V high-voltage controllable ignition device. The manufacturing difficulty

production period andcost will be greatly reduced if the ignition device adopts the three-ball and double-gap structure. In order to verify thefeasibility of the structure

the electrical field distribution in the device is simulated and analyzed. Simulation resultsshow that the three-ball and double-gap structure is beneficial to more uniform distribution of the electrical field. Inthe rated working condition

the maximum electrical field strength in the gaps is 1.747 k V/mm when the ball diameteris 1 500 mm and the gap distance is 500 mm

which meets the insulation requirement

and the safety factor is higherthan 1.5. In addition

the influence of gap distance on the electrical field distribution is reflected in the variation of dis-tributed capacitance

and the gap distance on high voltage side plays a more significant role in the potential distribution.

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