PWM整流器快速动态响应的研究  

Study of fast dynamic response for PWM rectifier

作　　者：李键[1] 魏克新[1] 于彬[1] 

机构地区：[1]天津理工大学天津市复杂工业系统控制理论及应用重点实验室,天津300384

出　　处：《电源技术》2014年第7期1324-1326,共3页Chinese Journal of Power Sources

基　　金：国家自然科学基金(50977063);国家高技术研究发展计划项目("863"项目)(2008AA11A145);天津市科技支撑计划重点项目(09ZCKFGX01800)

摘　　要：在PWM整流器控制中,同步旋转坐标系下的电流控制方法以及双闭环结构被广泛采用。然而分别控制有功电流和无功电流的方法,致使电流不能快速跟踪参考电流,没有达到很好的控制效果。阐述了限制电流动态响应的原因,提出了改进方法。仿真和实验结果表明,这种控制策略具有优良的稳态性能和快速的动态响应。In the control of PWM rectifier, direct current control and dual close loop control structure in synchronous rotating coordinate are widely adopted. However, the method of separately controlling the active and reactive current causes current fail quickly tracking the reference current and does not achieve expected control results. The reason of restricting current dynamic response was analyzed and the improved method was given. Simulation and experiment results show that the proposed control method has perfect steady-state characteristics and fast dynamic response.

关 键 词：PWM整流器 动态响应 电流控制 电压前馈解耦 

分 类 号：TM461[电气工程—电器]