Analysis of Improving Voltage Stability by SVC Based on V-Q Curve in Southern Hunan Power Grid

BIAN Hongyu; JIANG Wengli; LYU Peng; HUANG Changxiang

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Analysis of Improving Voltage Stability by SVC Based on V-Q Curve in Southern Hunan Power Grid

更新时间：2025-11-18

- Analysis of Improving Voltage Stability by SVC Based on V-Q Curve in Southern Hunan Power Grid
- Vol. 39, Issue 4, Pages: 19-21(2019)
- 作者机构：
  
  1. 国家电网有限公司华中分部
  2. 南瑞集团
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM712
- Published：2019
- 稿件说明：
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[1]边宏宇,姜文立,吕鹏,黄畅想.基于V-Q曲线分析SVC提高湘南电压稳定性分析[J].湖南电力,2019,39(04):19-21.

BIAN Hongyu, JIANG Wengli, LYU Peng, et al. Analysis of Improving Voltage Stability by SVC Based on V-Q Curve in Southern Hunan Power Grid[J]. 2019, 39(4): 19-21.
[1]边宏宇,姜文立,吕鹏,黄畅想.基于V-Q曲线分析SVC提高湘南电压稳定性分析[J].湖南电力,2019,39(04):19-21. DOI：

BIAN Hongyu, JIANG Wengli, LYU Peng, et al. Analysis of Improving Voltage Stability by SVC Based on V-Q Curve in Southern Hunan Power Grid[J]. 2019, 39(4): 19-21. DOI：

摘要

随着祁韶特高压直流接入湖南电网

以及湖南水电、风电、光伏等清洁资源的大力开发

常规机组增速放缓。若湘南常规机组开机方式不能满足最小开机要求

易导致湘南电网无功支撑不足。文中首先介绍了TRC型SVC的基本运行原理

建立了2018年湖南电网计算模型

再针对郴州地区SVC是否运行

对比湘南电网变电站的V-Q曲线

并运用计算仿真验证了SVC对提高湘南电网电压稳定的效果。

Abstract

With the Qishao HVDC accessed to the Hunan power grid

and the vigorous development of clean resources such as hydro-power

wind power

photovoltaic and other clean resources

the growth rate of conventional units is slowing down.If the start-up mode of conventional units in the southern Hunan power grid cannot meet the minimum requirement

it is possible to cause the lack of reactive power support of the southern Hunan power grid.In order to improve the voltage stability of the Hunan power grid

this paper firstly introduces the SVC basic operation principle of TCR type

and establishes the calculation model of Hunan power grid in 2018

and then compares the V-Q curves of the substation in the southern Hunan power grid according to whether the SVC of Chenzhou area is running or not.The effect of SVC to improve voltage stability of the Hunan power grid is verified by computer simulation.

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Related Author

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Related Institution

Hunan Electric Power Design Institute

Hunan University

State Grid Hunan Electric Power Company Limited Research Institute

State Grid Hunan Electric Power Company Limited Maintenance Company

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