具有无功补偿的高压软启动装置  

High Voltage Soft-start Device with Reactive Power Compensation

作　　者：方长全[1,2] 陈刚[3] 陈静[3] 袁佑新[3] 杨小勇 潘辛敏 

机构地区：[1]武汉理工大学 [2]武汉同力机电有限公司,湖北武汉430070 [3]武汉理工大学自动化学院,湖北武汉430070 [4]温州特种设备检测中心,浙江温州325027

出　　处：《武汉理工大学学报（信息与管理工程版）》2011年第4期533-535,共3页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：国家科技部科研基金资助项目(2009GJD10041)

摘　　要：针对先前研制的磁控式软启动装置启动时功率因数过低,需要另外增加无功补偿装置的问题,开发了一种集软启动和无功补偿于一体的软启动装置。该装置主要由电源投切装置、可变电抗器、功率变换器、无功补偿电容组和控制系统等组成。启动过程中,通过控制器控制功率变换电路实现电机的软启动,根据无功补偿容量的需要控制电容器的投入和切除,实现电机无功补偿。投入11 kW绕线式风机带载的软启动运行,试验结果证明,该装置能平滑启动电机,提高功率因数。The magnetic control soft-start device developed by authors previously has been put into practice for many years.However,the power factor is very low when starting.To solve this problem,an additional reactive power compensation device is needed.The high soft-start device with reactive power compensation has been developed.It mainly consists of power switching device,varactor,power inverter,reactive power compensation capacitor bank and control system.In order to implement reactive power compensation,capacitors can be run on or cut off by the demand of reactive power compensation capacity during soft-start.The device was proved to be able to start the motor smoothly and improve the power factor with an 11 kW wound blower load.

关 键 词：软启动装置 无功补偿 可变电抗器 

分 类 号：TM301.2[电气工程—电机]