电网技术 2009, 33(7) 30-35 DOI:     ISSN: 1000-3673 CN: 11-2410/TM

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多馈入直流系统;特高压直流;无功功率补偿;无功功率调制
本文作者相关文章
PubMed
上海多馈入直流系统的无功控制策略
郭小江,马世英,卜广全,汤涌
中国电力科学研究院,北京市 海淀区 100192
摘要

以上海多馈入直流规划系统为对象,采用常规稳定分析方法对系统存在的电压稳定问题类型进行了区分。利用静止无功补偿器(static var compensator,SVC)和调相机(synchronous condenser,SC)动态无功补偿装置以及直流换流站内无功控制、直流无功调制等方法提高了该系统抵御上海受端交流系统故障和直流闭锁的能力,改善了该系统的阻尼特性,形成了一套较完整的多馈入直流系统无功控制方法。仿真计算结果验证了该控制策略的正确性和有效性。

关键词 多馈入直流系统;特高压直流;无功功率补偿;无功功率调制  
Reactive Power Control Strategy for Shanghai Multi-Infeed DC System
GUO Xiao-jiang,MA Shi-ying,BU Guang-quan,TANG Yong
China Electric Power Research Institute,Haidian District,Beijing 100192,China
Abstract:

Conventional stability analysis method is used to distinguish the type of voltage stability problems existing in Shanghai multi-infeed DC system, which is employed as the research object. By means of the approaches such as static var compensator (SVC), synchronous condenser (SC), dynamic reactive power compensation equipments as well as reactive power control inside converter station and DC reactive power modulation, the ability of resisting serious faults occurred in receiving end AC system and DC bipolar block is enhanced, and system damping characteristics is improved, thus an integrated reactive power control method for multi-infeed DC system is formed. Simulation results validate the correctness and effectiveness of the control strategy.

Keywords: multi-infeed DC system;UHVDC;reactive power compensation;reactive power modulation  
收稿日期 2008-09-08 修回日期  网络版发布日期 2009-04-05 
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通讯作者: 郭小江
作者简介: 郭小江(1977—),男,硕士,工程师,从事高压直流输电、FACTS、电力系统稳定与控制研究工作,E-mail:xjiang.guo@gmail.com; 马世英(1969—),男,博士,高级工程师,从事电力系统电压稳定与控制研究工作; 卜广全(1962—),男,硕士,教授级高级工程师,从事电力系统分析与控制研究工作; 汤涌(1959—),男,博士,教授级高级工程师,从事电力系统分析与控制研究工作。
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