电测与仪表2016，Vol.53Issue(19)：49-54,6.
用于无功补偿的混合式中高压开关的研究
Research on hybrid middle high voltage switch for reactive power compensation
摘要
Abstract
In this paper , according to the need of reactive power compensation in power system , a novel medium volt-age switch with diode and high speed switch ( HSS) in parallel connection is presented .It is to solve the problem of inrush current and over voltage when interruption and making capacitor bank used in reactive power compensation of power system .This paper introduces the basic structure of hybrid -switch and its principle , and analyzes the whole process of current commutation in the hybrid-switch and the diode during the interruption and making in detail and how to use the feature of natural zero crossing point of diodes allow the HSS to cooperate .The transient model is built to simulate and the experiment to verify .Compared with traditional vacuum switch , the simulation test results show that the hybrid middle-high voltage switch can reduce the inrush current and over voltage .This paper also discusses the control strategy for different connections of capacitor banks .The result shows that the hybrid switch can effectively reduce inrush current and over voltage during the interruption and making capacitor bank .Then it verifies the effec-tiveness and the reliability of hybrid middle-high voltage switch .关键词
无功补偿/混合开关/高速开关/投切电容器组/涌流抑制Key words
reactive power compensation/hybrid-switch/high speed switch (HSS)/interruption and making capaci-tor bank/inrush current restrain分类
信息技术与安全科学引用本文复制引用
赵冰,田宇,刘贵新..用于无功补偿的混合式中高压开关的研究[J].电测与仪表,2016,53(19):49-54,6.
