一种低并网谐波电流的链式逆变装置  

A Low Current Harmonics Link Grid-connected Inverter

作　　者：赵启良 韩海伦 熊泽成 庞浩 ZHAO Qiliang;HAN Hailun;XIONG Zecheng;PANG Hao(XJ Power Co.,Ltd.,Xuchang 461000,Henan,China)

机构地区：[1]许继电源有限公司,河南许昌461000

出　　处：《电气传动》2020年第7期37-41,共5页Electric Drive

摘　　要：设计了一种使用LC滤波的高频隔离型逆变装置。该逆变装置具有电池侧与电网侧电气隔离、零电压(ZVS)开通、并网电流谐波小等特点。对装置并网逆变侧进行了详细地分析,通过数学模型的建立、控制器设计及算法仿真,给出了一种可以很好抑制并网电流谐波的控制方法。最后,搭建了220 V/20 A输入,220 V输出5 kW样机,实验结果验证了理论分析的正确性与可行性。An LC filter high-frequency link grid-connected inverter was designed,which have the characteristics of battery and grid with electrically isolation,zero-voltage-switching(ZVS)turn-on,low current harmonic.The operating principle of the grid-connected inverter was analyzed.A grid current harmonics suppression was introduced by establishing mathematical model,designing controller and algorithm simulation.The operating principle of the grid-connected inverter was analyzed,and the feasibility was verified by a 220 V/20 A input,220 V output 5 kW prototype.

关 键 词：有源逆变 比例谐振控制 谐波抑制 

分 类 号：TM464[电气工程—电器]