负载不对称三相串联谐振逆变器电流平衡控制策略  

Current Control Strategy of Three-Phase Series Resonant Inverter under Unbalanced Load

作　　者：于月森[1] 年长春 解光庆 刘志远[1] 贾娜[1] 夏晨阳[1] 伍小杰[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,徐州221116

出　　处：《电工技术学报》2014年第9期49-53,共5页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金(51307173);江苏省自然科学基金(BK20130188);高等学校博士学科点专项科研基金(20120095120022);中国博士后基金(2012M521140)资助项目

摘　　要：为实现对三相无线电能传输系统功率传输的有效控制,对一次侧采用串联谐振逆变器的三相无线电能传输系统进行了详细的分析。基于PR控制器可有效实现对某一频率的正弦信号进行跟踪控制,针对负载不对称工作模式下三相电流不平衡导致功率传输控制困难问题,在??坐标系中采用PR控制器,对一次侧三相电流进行电流平衡控制。仿真和实验结果表明,PR控制器能够对三相串联谐振逆变器的负载电流进行追踪控制,较好地解决三相电流不平衡问题,为三相无线电能传输系统的功率传输控制研究奠定了基础。Aimed at the power transmission control for three-phase wireless power transfer system,three-phase wireless power transfer system adopted the series resonant inverter in primary side is analyzed detailedly.Aimed at the difficulty on power control caused by three-phase unbalanced current under unbalanced load,based on that the PR controller can realize the tracking control of sinusoidal signal for a certain frequency,balancing control is conducted for primary three-phase current by adopting PR controller in αβ coordinate system.The results of simulation and experiment indicate that PR controller can realize the tracking control of the load current of three-phase series resonant inverter which can solve the unbalance of three-phase and provide the basis for the power control of three-phase wireless power transfer system.

关 键 词：三相逆变器 串联谐振 PR控制器 电流控制 

分 类 号：TM464[电气工程—电器] TM724