Influence of Smoothing Reactor Arrangement on Overvoltage of ±800 kV UHVDC Converter Station

CHENG Xiaoxuan; LIU Dapeng; GOU Ruifeng; ZHANG Wanrong; WANG Jing

doi:10.13296/j.1001-1609.hva.2015.06.034

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Influence of Smoothing Reactor Arrangement on Overvoltage of ±800 kV UHVDC Converter Station

更新时间：2025-04-26

- Influence of Smoothing Reactor Arrangement on Overvoltage of ±800 kV UHVDC Converter Station
- High VoltageApparatus Vol. 51, Issue 6, Pages: 195-199(2015)
- 作者机构：
  
  西安西电电力系统有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.06.034
  CLC： TM721.1
- Published：2015
- 稿件说明：
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[1]程晓绚,刘大鹏,苟锐锋,张万荣,王晶.平波电抗器布置方式对±800kV特高压直流换流站过电压的影响[J].高压电器,2015,51(06):195-199.

CHENG Xiaoxuan, LIU Dapeng, GOU Ruifeng, et al. Influence of Smoothing Reactor Arrangement on Overvoltage of ±800 kV UHVDC Converter Station[J]. High voltageapparatus, 2015, 51(6): 195-199.
[1]程晓绚,刘大鹏,苟锐锋,张万荣,王晶.平波电抗器布置方式对±800kV特高压直流换流站过电压的影响[J].高压电器,2015,51(06):195-199. DOI： 10.13296/j.1001-1609.hva.2015.06.034.

CHENG Xiaoxuan, LIU Dapeng, GOU Ruifeng, et al. Influence of Smoothing Reactor Arrangement on Overvoltage of ±800 kV UHVDC Converter Station[J]. High voltageapparatus, 2015, 51(6): 195-199. DOI： 10.13296/j.1001-1609.hva.2015.06.034.

摘要

通常±500 k V直流输电工程（HVDC）的平波电抗器采用油浸式电抗器安装在极母线上。因为±800 k V特高压直流输电的特殊性

平波电抗器采用了干式平抗

并提出了将4台干式平抗分别安装于极线和中性母线上的布置方式。文中对平抗分置于极线和中性母线上

与集中布置于极线上这两种布置方式下的换流站绝缘配合进行了分析

并对决定换流站各避雷器最大应力的工况进行了仿真计算

对计算结果进行了比较分析

并总结了这两种布置方式的优缺点。

Abstract

±500 k V HVDC system usually uses oil immersed smoothing reactors

which are installed on the pole bus. Considering the particularity of ±800 k V UHVDC system

the dry smoothing reactors are applied.Four dry smoothing reactors are arranged separately on the pole bus and the neutral bus to provide equal smoothing reactance for the converter station. In this article

this reactors arrangement scheme is compared with the scheme in which all the smoothing reactors are installed on DC pole bus to investigate the influences of both arrangement schemes on the insulation coordination of the converter station. Simulation is conducted to calculate the critical condition in which each arrester in the converter station can achieve its maximum stress. Comparative analysis is performed on the simulation results to reveal the advantages and disadvantages of two smoothing reactors arrangement schemes.

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