Study on the SVC and STATCOM to Improve the Performance of Islanded Operation DC System

LI Zeran; FAN Yanfang; CHANG Xiqiang

doi:10.13296/j.1001-1609.hva.2017.07.011

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Study on the SVC and STATCOM to Improve the Performance of Islanded Operation DC System

更新时间：2025-04-26

- Study on the SVC and STATCOM to Improve the Performance of Islanded Operation DC System
- High VoltageApparatus Vol. 53, Issue 7, Pages: 67-72(2017)
- 作者机构：
  
  1. 新疆大学电气工程学院
  2. 国网辽宁省电力有限公司盘锦供电公司
  3. 国网新疆电力调度控制中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.07.011
  CLC： TM761.12;TM721.1
- Published：2017
- 稿件说明：
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[1]李泽燃,樊艳芳,常喜强.SVC与STATCOM改善直流孤岛外送特性研究[J].高压电器,2017,53(07):67-72.

LI Zeran, FAN Yanfang, CHANG Xiqiang. Study on the SVC and STATCOM to Improve the Performance of Islanded Operation DC System[J]. High voltageapparatus, 2017, 53(7): 67-72.
[1]李泽燃,樊艳芳,常喜强.SVC与STATCOM改善直流孤岛外送特性研究[J].高压电器,2017,53(07):67-72. DOI： 10.13296/j.1001-1609.hva.2017.07.011.

LI Zeran, FAN Yanfang, CHANG Xiqiang. Study on the SVC and STATCOM to Improve the Performance of Islanded Operation DC System[J]. High voltageapparatus, 2017, 53(7): 67-72. DOI： 10.13296/j.1001-1609.hva.2017.07.011.

摘要

随着直流输电配套工程的完善及电网安全稳定运行需要

直流输电系统孤岛运行方式成为良好的选择

配套无功补偿设备SVC与静止同步补偿器（static synchronous compensator

STATCOM）的选择成为亟待解决的问题。文中以哈密—郑州特高压直流输电系统为背景

仿真分析了哈—郑直流系统孤岛运行方式下分别采用SVC与STATCOM时

直流输电系统出现单极闭锁故障、双极闭锁故障、线路故障、直流配套机组跳闸及滤波器切除等工况时

直流孤岛系统的电压波动情况。仿真结果表明:SVC与STATCOM对直流输电系统孤岛方式故障后的电压恢复有积极作用;通过对比分析得出

在选择相同容量的前提下

SVC在孤岛运行方式下对过电压的抑制效果优于STATCOM。

Abstract

With the improvement of the ultra-high voltage direct current transmission system and the need for the safe and stable operation of the power grid

the islanded operation mode of the UHVDC transmission system is a good selection

and the selection of FACTS equipment of SVC or STATCOM is a new problem to be solved. In this paper

taking the Zhengzhou Hami-Zhengzhou HVDC transmission system as the background

by applying SVC or STATCOM under the DC system islanded mode

the voltage fluctuations are simulated and analyzed

when faults occur such as monopole blocking

bipolar blocking

and line faults

DC match power plants tripping

filter removal

etc. The simulation results show that SVC and Statcom have positive effects on voltage recovery after different fault of DC islanded transmission system

at the same time

under the premise of selecting the same capacity

the SVC is better than STATCOM in the islanded operation mode.

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