Characteristics of Over Voltage Protection in ±800 kV Ultra High Voltage Direct Current Convert Station

AN Ping; GOU Rui-feng; CHENG Xiao-xuan; ZHOU Xiao-qin

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Characteristics of Over Voltage Protection in ±800 kV Ultra High Voltage Direct Current Convert Station

更新时间：2025-04-26

- Characteristics of Over Voltage Protection in ±800 kV Ultra High Voltage Direct Current Convert Station
- High VoltageApparatus Issue 5, Pages: 351-353(2007)
- 作者机构：
  
  1. 西安高压电器研究所
  2. 西安高压电器研究所陕西西安710077
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM86
- Published：2007
- 稿件说明：
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[1]安萍,苟锐锋,程晓绚,周晓琴.±800kV特高压直流换流站过电压保护特点及直流暂态过电压计算[J].高压电器,2007(05):351-353.

AN Ping, GOU Rui-feng, CHENG Xiao-xuan, et al. Characteristics of Over Voltage Protection in ±800 kV Ultra High Voltage Direct Current Convert Station[J]. High voltageapparatus, 2007, (5): 351-353.
[1]安萍,苟锐锋,程晓绚,周晓琴.±800kV特高压直流换流站过电压保护特点及直流暂态过电压计算[J].高压电器,2007(05):351-353. DOI：

AN Ping, GOU Rui-feng, CHENG Xiao-xuan, et al. Characteristics of Over Voltage Protection in ±800 kV Ultra High Voltage Direct Current Convert Station[J]. High voltageapparatus, 2007, (5): 351-353. DOI：

摘要

分析总结了±800 kV特高压每极2个400 kV 12脉动换流器串联结构直流换流站的过电压保护特点

将其与现有±500 kV直流工程换流站的过电压保护作了比较。同时以±800kV具体直流工程为例

选取典型故障工况

在考虑避雷器保护特性的条件下

对换流站几个关键点的典型操作过电压进行了简单模拟计算。计算结果为确定UHVDC输电工程换流站主要避雷器保护水平及主设备耐受水平提供了参考。

Abstract

This paper analyzed and summarized characteristics of over voltage protection in ±800 kV ultra high voltage direct current each pole had two 400 kV 12 pulse converter in series

and compared with that of ±500 kV HVDC convert station.Meanwhile

instancing practical UHVDC project

typical fault status were selected

simple simulated calculations of switching impulse over voltage were performed to several key spot in convert station under the condition of arrester’s protection.The results provided the references to protection level of main arrester

and to the withstand voltage level of facility in UHVDC convert station.

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