Effects of Lightning Features on Arrester Faults in 10 kV Distribution Network in the Pearl River Delta

TAN Junyuan; TANG Jun; LIU Xiaoting; XI Yu; XU Zhirong; CHEN Dezhi

doi:10.13296/j.1001-1609.hva.2014.04.021

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Effects of Lightning Features on Arrester Faults in 10 kV Distribution Network in the Pearl River Delta

更新时间：2025-04-26

- Effects of Lightning Features on Arrester Faults in 10 kV Distribution Network in the Pearl River Delta
- High VoltageApparatus Vol. 50, Issue 4, Pages: 113-119(2014)
- 作者机构：
  
  1. 广东电网公司佛山供电局
  2. 华南理工大学电力学院
  3. 华南理工大学材料学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.04.021
  CLC： TM862.1
- Published：2014
- 稿件说明：
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[1]谭俊源,唐军,刘晓庭,席禹,许志荣,陈德智.珠江三角洲某地区雷电特征对10kV配网用避雷器故障的影响分析[J].高压电器,2014,50(04):113-119.

TAN Junyuan, TANG Jun, LIU Xiaoting, et al. Effects of Lightning Features on Arrester Faults in 10 kV Distribution Network in the Pearl River Delta[J]. High voltageapparatus, 2014, 50(4): 113-119.
[1]谭俊源,唐军,刘晓庭,席禹,许志荣,陈德智.珠江三角洲某地区雷电特征对10kV配网用避雷器故障的影响分析[J].高压电器,2014,50(04):113-119. DOI： 10.13296/j.1001-1609.hva.2014.04.021.

TAN Junyuan, TANG Jun, LIU Xiaoting, et al. Effects of Lightning Features on Arrester Faults in 10 kV Distribution Network in the Pearl River Delta[J]. High voltageapparatus, 2014, 50(4): 113-119. DOI： 10.13296/j.1001-1609.hva.2014.04.021.

摘要

为了研究和总结10 kV配网用避雷器故障的规律

笔者以珠江三角洲某地区2010年10 kV配网避雷器故障数据为样本

根据避雷器故障部位的不同将避雷器故障分为绝缘筒外表面闪络、电阻片炸裂、绝缘外套爆裂3种故障类型;结合雷电地闪分布、雷电流幅值分布和避雷器本身因素分析造成3种故障类型的原因。其次

引入电气几何模型原理分析造成顶/上相避雷器故障比例最大的原因是顶/上相避雷器最容易遭受大电流雷电冲击且动作频次最高。最后通过建立10 kV架空配电线路杆塔的PSCAD仿真模型

分析不同接地方式对避雷器雷电流的泄放量的影响

为10 kV配网避雷器接地方式的选取提供依据。

Abstract

To understand and summarize the regularity of surge arrester faults in 10 kV distribution network

the data of surge arrester faults in a 10 kV distribution network in the Pearl River Delta is adopted to classify the surge arrester faults into three types

i.e. flashover on insulation cylinder outer surface

burst of arrestor

and burst of insulation bushing

according to their positions. The causes of the three types of faults are analyzed with consideration of lightning distribution

lightning current amplitude

and surge arrester itself. The reason why the arrester on A-phase line suffers the largest proportion of faults is analyzed via the electro geometric model

and the result indicates that A-phase arrester suffers the impact of high lightning current more easily with the highest action frequency. Moreover

a PSCAD simulation model of 10 kV overhead distribution line is built

and the influences of different grounding modes on lightning current discharge of surge arrester are analyzed to select grounding mode of surge arrester for 10 kV distribution network.

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