摘要
针对不可控或半控整流引起电网大量谐波和无功日益严重问题,采用改进的前馈解耦控制策略对三相电压型PWM整流器设计,分析了三相电压型PWM整流器的数学模型及改进的前馈控制策略,在Matlab/Simulink平台下搭建了系统的仿真模型,与传统PWM整流器对比,并对三相电压型PWM整流器进行了系统试验。仿真与试验结果表明,该整流器能快速获得稳定的直流母线输出电压,鲁棒性良好。
Uncontrolled and half controlled rectifiers cause power system harmonics and increasing serious reactive power. This paper adopts improved feed forward control strategy to design three-phase voltage-type PWM rectifiers. And the mathematical model and improved feed forward control strategy of rectifiers are analyzed. Then the simulation model is established under the MATLAB/simulink platform. Compared with the traditional PWM rectifiers, the simulation and test resuits show that the rectifiers can get a steady DC bus output voltage and it has good robustness.
出处
《水电能源科学》
北大核心
2012年第4期152-154,175,共4页
Water Resources and Power
