Design and Simulation of the Lighting-protective Insulator for 110 kV Transmission Line

PANG Bo; LIU Shuqing; WANG Shujun; LIU Jian; CHENG Dayin; WANG Yu

doi:10.13296/j.1001-1609.hva.2016.08.030

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Design and Simulation of the Lighting-protective Insulator for 110 kV Transmission Line

更新时间：2025-04-26

- Design and Simulation of the Lighting-protective Insulator for 110 kV Transmission Line
- High VoltageApparatus Vol. 52, Issue 8, Pages: 177-183(2016)
- 作者机构：
  
  1. 承德供电公司
  2. 北京诺德威电力技术开发有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.08.030
  CLC： TM75;TM862
- Published：2016
- 稿件说明：
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[1]庞博,刘树清,王树军,刘健,程大印,王钰.110kV线路绝缘子式避雷器方案分析及仿真验证[J].高压电器,2016,52(08):177-183.

PANG Bo, LIU Shuqing, WANG Shujun, et al. Design and Simulation of the Lighting-protective Insulator for 110 kV Transmission Line[J]. High voltageapparatus, 2016, 52(8): 177-183.
[1]庞博,刘树清,王树军,刘健,程大印,王钰.110kV线路绝缘子式避雷器方案分析及仿真验证[J].高压电器,2016,52(08):177-183. DOI： 10.13296/j.1001-1609.hva.2016.08.030.

PANG Bo, LIU Shuqing, WANG Shujun, et al. Design and Simulation of the Lighting-protective Insulator for 110 kV Transmission Line[J]. High voltageapparatus, 2016, 52(8): 177-183. DOI： 10.13296/j.1001-1609.hva.2016.08.030.

摘要

高压输电线路上绝缘子起着支持导线和防止电流回地的作用

但在输电线路遭受雷击或操作过电压时绝缘子可能会发生闪络

严重的会导致其被烧伤、击碎。为确保绝缘子能正常工作

目前主要采用的方法是在线路上将避雷器与绝缘子并联。由于避雷器重量及体积较大

将避雷器和绝缘子并联安装使线路和铁塔的负荷增大

线路设施复杂化

另外

铁塔横担处设备较多也会给带电作业等工作带来不便。如果绝缘子和避雷器能够统一在一台设备上就可以解决上述问题。文中根据这种实际需要

对绝缘子式避雷器的方案进行分析设计

并对绝缘子式避雷器进行电场优化设计

再进行机械性能仿真验证

上述设计和验证结果显示满足绝缘子和避雷器能够统一在一台设备上的要求

最后得出结论

可以设计一种满足使用要求的110 k V线路绝缘子式避雷器。

Abstract

The insulator of a high-voltage transmission line supports the wire and prevents the current from flowing back to the ground. However

flashover may occur on it when transmission line is subject to lightning or operation overvoltage

and it may even be burned or crushed. To ensure safe work of the insulator

the insulator is usually paralleled with an arrester

whereas this parallel layout will increase the load of line and tower due to the large volume and weight of the arrester

and will make transmission facility complicated. In addition

additional equipment on tower arm will result in inconveniency in installation of the arrester. In this paper

an lighting-protective insulator is designed

its electric field is optimized

and simulation is performed to verify its mechanical properties. The results show that this integrated device can meet the requirements for both insulator and arrester. It is concluded that the lighting-protective insulator for 110 k V transmission line is feasible.

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