低压电力电容器过零投切开关的设计  

Design of Zero Crossing Switch for Low Voltage Power Capacitor

作　　者：王祝华[1] 张士钱[1] WANG Zhuhua;ZHANG Shiqian(School of Mechanics and Electronics,Longyan University,Longyan,Fujian 364000)

机构地区：[1]龙岩学院机电学院,福建龙岩364012

出　　处：《武夷学院学报》2017年第12期21-25,共5页Journal of Wuyi University

基　　金：福建省科技计划重点项目(2014H0039)

摘　　要：由于目前普遍使用的电容器投切开关在运行中仍存在的一些缺陷,新型过零投切开关采用微电子技术,通过改进电路结构提高开关的安全稳定性,能够对电容器组进行精确、快速过零投切。采用循环投切控制,共、分补优化组合的补偿方式,延长了电容器的使用寿命,实现了低压电网的高效智能无功动态补偿。There are some defects in the operation of the capacitor switching switch which is widely used at present.The new-type zero crossing switch adopts microelectronic technology,which increases the security and stability of the switch,and switches accurately and quickly the capacitor bank through zero by improving the circuit structure.Using cycle switching control and compensation mode of opti鄄mal combination of common/dispersion compensation,it prolongs the service life of the capacitor,and realizes the efficient intelligent re鄄active power compensation of the low-voltage power grid.

关 键 词：电容器 投切开关 过零 晶闸管 补偿 

分 类 号：TM531.7[电气工程—电器]