电流型脉宽调制整流器间接电流控制改进策略  

An Improved Indirect Current Control Strategy for Current Source PWM Filter

作　　者：刘和平[1] 邱斌斌[1] 彭东林[2] 任发[1] 郭强[1] 郑群英[1] 

机构地区：[1]输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆市沙坪坝区400044 [2]机械检测技术与装备教育部工程研究中心(重庆理工大学),重庆市巴南区400054

出　　处：《电网技术》2012年第6期182-187,共6页Power System Technology

基　　金：国家自然科学基金资助项目(51127001);中央高校基本科研业务费资助项目(CDJXS11151156)~~

摘　　要：针对传统三相电流型脉宽调制整流器间接电流控制存在受主电路参数L、C变化影响大使得系统精度得不到提高的问题,采用间接电流控制改进策略,在每相调制信号中引入延时角,使得控制得到简化,系统精度得到改善。通过对电动汽车用磷酸铁锂动力电池组进行相关充电实验,验证了该控制策略的可行性和合理性。To solve the defect of insufficient system accuracy of traditional three-phase current source PWM rectifier due to the evident affects of parameter variation of filter inductance and filter capacitor in main circuit on indirect current control, a improved indirect current control strategy is proposed, in which the delay-angle is introduced into modulation signal of each phase to simplify the control and improve system accuracy. Both feasibility and rationality of the proposed improved control strategy are verified by charging experiments of lithium iron phosphate power batteries for electric vehicle.

关 键 词：电动汽车 脉宽调制整流器 间接电流控制 功率因数校正 

分 类 号：TM461[电气工程—电器]