摘要
研究了三相电压型PWM整流器的基于内模控制的新型双闭环控制策略。其中电流环基于内模解耦控制,实现了有功和无功电流的解耦,电压环基于功率守恒和二自由度内模抗扰控制,既实现了线性化的间接电压控制,又可实现直流侧电压的快速跟踪和优良抗扰特性。仿真结果验证了所提方法的可行性和有效性。
A new double closed loop control strategy of three-phase voltage-sourced PWM rectifier based on 1MC, which is composed of inner current loop and outer voltage loop. Based on a decoupling control with IMC, the inner current loop can obtain the decoupling of active current and reactive current. Based on the idea of power conservation and disturbance-rejection control with two-degrees-of-freedom IMC, the outer voltage loop can not only realize the linearization control of voltage loop, but also, simultaneously, achieve characteristics of fast-tracking and excellent disturbance-rejection of the DC voltage. The simulation results demonstrate the validity and the feasibility of the proposed new control strategy.
作者
朱志键
唐卫民
ZHU Zhijian;TANG Weimin(State Grid Wuxi Power Supply Company, Wuxi 214000, China)
出处
《电力工程技术》
2018年第1期86-90,共5页
Electric Power Engineering Technology
关键词
PWM整流器
内模解耦控制
二自由度内模抗扰控制
PWM rectifier
decoupling control with IMC
disturbance-rejection control with two-degrees-of-freedom IMC
