应用于非正常工况下的高功率ANPC逆变器研究  

Research on the High Power ANPC Inverter Applied in Abnormal Condition

作　　者：陈荣[1] 冯俊琨 谢时勇 CHEN Rong;FENG Junkun;XIE Shiyong(School of Electric Power Engineering,Sichuan Water Conservancy Vocational College,Chengdu Sichuan 611231,China;China Railway Electrification Bureau Group Co.,Ltd.,Chengdu Sichuan 618500,China)

机构地区：[1]四川水利职业技术学院电力工程学院,四川成都611231 [2]中铁电气化局集团有限公司,四川成都610036

出　　处：《电子器件》2023年第1期138-142,共5页Chinese Journal of Electron Devices

基　　金：四川水利职业技术学院院级科研项目(KY2019-12)。

摘　　要：大功率情况下,有源中点箝位式(Active Neutral Point Clamped,ANPC)三电平逆变器因为其器件损耗均匀被广泛使用。然而,在实际情况下,电网电压通常会出现非正常的工况,如三相不平衡等。在这些非正常工况下,三相并网电流的控制尤为复杂。在此背景下,提出采用三相电网电压正序分量提取的方法应用于锁相环,能够准确提取三相电网电压的相位信息,从而保证三相并网电流的高性能控制。仿真和实验验证了所提方法的有效性。In the case of high power,active neutral point clamped(ANPC)inverter is widely used because of its uniform device loss.However,in the actual situation,the grid voltage is usually under abnormal conditions,such as three-phase imbalance.Under these ab-normal conditions,the control of three-phase grid current is particularly complex.Under this background,a method of positive sequence component extraction for three-phase grid voltage is proposed,which can accurately extract the phase information of three-phase grid voltage and ensure the high-performance control of three-phase grid current.The effectiveness of the proposed method is verified through simulation and experiment.

关 键 词：非正常工况 高功率 ANPC 正序分量提取 

分 类 号：TM464[电气工程—电器]