无差拍电流控制的三相功率因数校正研究  

Research on Three-phase Power Factor Correction Based on Deadbeat Current Controller

作　　者：黄西平[1] 孙强[1] 陈桂涛[1] 张晓敏[1] 

机构地区：[1]西安理工大学自动化与信息工程学院,陕西西安710048

出　　处：《计算机仿真》2010年第8期274-277,共4页Computer Simulation

基　　金：陕西省教育厅科学研究计划(08JC08);陕西省科学技术研究发展计划项目(2008K05-10)

摘　　要：研究提高三相六开关Boost型功率因数校正电路的动、静态性能和简化控制算法,针对电压、电流双闭环控制的功率因数校正电路,为了提高系统的快速响应和调整直流电压稳定性,提出了在电流内环采用同步旋转坐标系下的无差拍电流空间矢量控制方案。在对三相六开关Boost型PFC电路的拓扑结构,工作原理和控制策略的理论分析基础上,应用三相六开关Boost型功率因数校正电路的开关函数模型进行了仿真。结果表明新的控制方案具有电流跟踪迅速、电压利用率高等优点。实现了系统的单位功率因数,输出电压稳定,并具有良好的动态性能。In order to improve the performance of three-phase six-switch Boost PFC circuit,and to simplify the control algorithm,aim at the voltage and current double closed-loop control system,the strategy of the deadbeat control and space vector modulation technology based on synchronous rotation coordinates for the inner loop of current is proposed.The theoretical issues and the design method of the system are analyzed.The simulation study of the system based on switching function model is made and the study results verify that the control program has the advantages of tracking current quickly and high utilization rate of voltage,and dynamic performance and steady-state performance is perfect.

关 键 词：功率因数校正 空间矢量控制 无差拍控制 同步旋转坐标系 

分 类 号：TM714.1[电气工程—电力系统及自动化]