Study on Voltage Stability and Reactive Compensation Strategy in Southern Power Grid of Suzhou

CAI Hui; ZHANG Wenjia; WAN Zhendong; QI Wanchun; XIE Zhenjian; HUANG Junhui; ZHAO Xin

doi:10.14044/j.1674-1757.pcrpc.2017.01.021

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Study on Voltage Stability and Reactive Compensation Strategy in Southern Power Grid of Suzhou

更新时间：2024-09-14

- Study on Voltage Stability and Reactive Compensation Strategy in Southern Power Grid of Suzhou
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 1, Pages: 110-116(2017)
- 作者机构：
  
  1. 国网江苏省电力公司经济技术研究院
  2. 华东电力设计院有限公司
  3. 东南大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.01.021
  CLC： TM712;TM714.3
- Published：2017，
- 稿件说明：
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[1]蔡晖,张文嘉,万振东,祁万春,谢珍建,黄俊辉,赵欣.苏州南部电网的电压稳定问题及无功补偿策略研究[J].电力电容器与无功补偿,2017,38(01):110-116.

CAI HUI, ZHANG WENJIA, WAN ZHENDONG, et al. Study on Voltage Stability and Reactive Compensation Strategy in Southern Power Grid of Suzhou. [J]. Power capacitor & reactive power compensation, 2017, 38(1): 110-116.
[1]蔡晖,张文嘉,万振东,祁万春,谢珍建,黄俊辉,赵欣.苏州南部电网的电压稳定问题及无功补偿策略研究[J].电力电容器与无功补偿,2017,38(01):110-116. DOI： 10.14044/j.1674-1757.pcrpc.2017.01.021.

CAI HUI, ZHANG WENJIA, WAN ZHENDONG, et al. Study on Voltage Stability and Reactive Compensation Strategy in Southern Power Grid of Suzhou. [J]. Power capacitor & reactive power compensation, 2017, 38(1): 110-116. DOI： 10.14044/j.1674-1757.pcrpc.2017.01.021.

摘要

本文首先介绍了苏州南部电网现状及未来发展规划。在此基础上

针对苏州南部电网存在的电压稳定问题进行了研究

分析了电压失稳的机理

梳理了影响电压稳定的关键因素

并提出了安装动态无功补偿装置的解决措施。通过对调相机、静止无功补偿器（SVC）和静止同步补偿器（STATCOM）3种常用动态无功补偿装置的原理、配置方案和接入后对电网影响的研究和论证

提出了解决苏州南部电网电压稳定问题的结论与优化建议:2020年在吴江安装1组300 Mvar的STATCOM补偿装置

即可提升系统故障恢复后的电压水平

并维持检修方式下N-2故障的苏州南部电网电压稳定。

Abstract

In this paper

the current status and future development plan for the south power grid in Suzhou is firstly introduced. On that basis

the existed problem of voltage stability of the south power grid in Suzhou is studied

the voltage instability mechanism is analyzed

the main factor influencing voltage stability is summarized and such measures as the installation of dynamic reactive power compensation device is proposed. Through the study and verification of such three normally used dynamic reactive power compensation device as phase modifier

static var compensator（SVC）and static synchronous compensator（STATCOM）in their principle

allocation scheme and influence to the power grid after connection

the conclusion and optimization suggestion on solving the voltage stability of the south power grid in Suzhou is proposed. A set of STATCOM compensation device with 300 Mvar will be installed in Wujiang in 2020

which can improve voltage level after fault recovery of system and maintain voltage stability during N-2 fault in the south power grid of Suzhou.

关键词

电压稳定苏州南部电网调相机静止无功补偿器（SVC）静止同步补偿器（STATCOM）

Keywords

voltage stabilitythe south power grid in Suzhouphase modifierstatic var compensator（SVC）static synchronous compensator（STATCOM）

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Related Author

CAI Hui

ZHANG Wenjia

QI Wanchun

WANG Weiyuan

XIE Zhenjian

HUANG Junhui

ZHAO Xin

CHEN Da-li

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