Simulation and Investigation on Switching Overvoltage at DC Side of UHVDC Converter Station with Capacity of ±800 kV

SIMA Wen-xia; PANG Kai; YANG Qing

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Simulation and Investigation on Switching Overvoltage at DC Side of UHVDC Converter Station with Capacity of ±800 kV

更新时间：2025-04-26

- Simulation and Investigation on Switching Overvoltage at DC Side of UHVDC Converter Station with Capacity of ±800 kV
- High VoltageApparatus Issue 2, Pages: 126-128+131(2008)
- 作者机构：
  
  1. 重庆大学高电压与电工新技术教育部重点实验室
  2. 重庆大学高电压与电工新技术教育部重点实验室重庆400044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM769
- Published：2008
- 稿件说明：
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[1]司马文霞,庞锴,杨庆.±800kV特高压换流站直流侧操作过电压的仿真与研究[J].高压电器,2008(02):126-128+131.

SIMA Wen-xia, PANG Kai, YANG Qing. Simulation and Investigation on Switching Overvoltage at DC Side of UHVDC Converter Station with Capacity of ±800 kV[J]. High voltageapparatus, 2008, (2): 126-128+131.
[1]司马文霞,庞锴,杨庆.±800kV特高压换流站直流侧操作过电压的仿真与研究[J].高压电器,2008(02):126-128+131. DOI：

SIMA Wen-xia, PANG Kai, YANG Qing. Simulation and Investigation on Switching Overvoltage at DC Side of UHVDC Converter Station with Capacity of ±800 kV[J]. High voltageapparatus, 2008, (2): 126-128+131. DOI：

摘要

根据国内外现有的资料

利用PSCAD/EMTDC软件

建立了一个较完整的换流站操作过电压计算模型

研究了有关操作和故障情况下±800 kV换流站直流侧可能出现的操作过电压。计算换流站主要设备典型故障工况时

对交流母线、直流线路、中性母线等设备可能产生的最大操作过电压水平进行了分析

还针对避雷器配置方法以及有避雷器和无避雷器时的过电压计算进行了研究。仿真计算结果表明

其有利于进一步分析特高压直流输电系统中因交直流系统故障引起的操作过电压大小以及相应绝缘水平的确定。

Abstract

Insulation coordination of converter station is a main problem in the UHVDC design

which will influence safe operation of the whole DC system.According to the published literature

an EMTDC model of switching overvoltage was built via the PSCAD/EMTDC software.Then

the overvoltage at DC side of ±800 kV converter station under various operation and fault conditions was calculated

which included the maximum overvoltage on AC buses

DC lines

neutral buses

and so on.The applications of arresters in UHVDC and the over-voltage calculation of with or without surge arrester were also discussed.Simulation results show that it would be useful for further analysis of ultra-high voltage direct current transmission system for AC and DC operating system failures caused by over-voltage and the correspending size of the level of insulation.

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