Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation

XIE Yadi; HE Baina; MENG Tao; LI Hui; NING Jiaxing; KONG Jie; WANG Lemiao

doi:10.13296/j.1001-1609.hva.2019.07.012

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Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation

更新时间：2025-04-26

- Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation
- High VoltageApparatus Vol. 55, Issue 7, Pages: 78-86(2019)
- 作者机构：
  
  1. 山东理工大学电气与电子工程学院
  2. 国网电力科学研究院武汉南瑞有限责任公司
  3. 中国电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.07.012
  CLC： TM75
- Published：2019
- 稿件说明：
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[1]颉雅迪,何柏娜,孟涛,李辉,宁家兴,孔杰,王乐淼.特高压高补偿度串补线路潜供电弧特性研究[J].高压电器,2019,55(07):78-86.

XIE Yadi, HE Baina, MENG Tao, et al. Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation[J]. High VoltageApparatus, 2019, 55(7): 78-86.
[1]颉雅迪,何柏娜,孟涛,李辉,宁家兴,孔杰,王乐淼.特高压高补偿度串补线路潜供电弧特性研究[J].高压电器,2019,55(07):78-86. DOI： 10.13296/j.1001-1609.hva.2019.07.012.

XIE Yadi, HE Baina, MENG Tao, et al. Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation[J]. High VoltageApparatus, 2019, 55(7): 78-86. DOI： 10.13296/j.1001-1609.hva.2019.07.012.

摘要

高补偿度串补在远距离大容量特高压输电线路中有广阔的发展前景

但串补输电线路发生单相接地故障产生的潜供电流包含高幅值低频分量

不利于电弧快速熄弧。针对此问题

文中基于串补输电线路产生潜供电弧的机理

采用ATP-EMTP电磁暂态程序建立特高压串补系统仿真模型

并分别研究采用小电阻短接故障相串补以及联动旁路串补措施对潜供电流、恢复电压的抑制效果。结果表明

潜供电流的衰减速度与串补被短接或旁路的时刻有关

在断路器跳闸前将串补短接或旁路

可加快电弧熄弧速度。该研究结果对特高压大容量远距离高补偿度串补输电线路的工程设计具有参考价值。

Abstract

The high compensation degree series compensation has broad prospects for development in UHV transmission lines with long distance and large capacity. However

there is a high amplitude low frequency component of the secondary arc current produced by the single phase grounding fault occurring in the series compensation transmission lines

which is not conducive to the arc rapidly extinguishing. To solve this problem

based on the secondary arc current mechanism of series compensated transmission lines

the simulation model of series compensated UHV transmission lines is established by using ATP-EMTP simulation program

and the suppression effects of series compensation of short-connection fault with small resistance and series compensation of linkage bypass on the secondary arc current and recovery voltage are studied respectively. The results show that the decay speed of the secondary arc current is related to the short circuit or bypass time of the series compensation. Shorting or bypassing the series compensation before the breaker trips can increase the arc extinguishing speed. The research results have reference value for the design of UHV and high capacity long distance high compensation degree series compensated transmission lines.

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