CAJ | 학술논문

分析了CMI（级联多电平逆变器）产生故障的原因,给出了切除CMI故障功率单元的正确操作步骤,通过仿真说明了直接切除故障功率单元可能带来的后果。在此基础上,提出了CMI故障无缝切除的概念和基本原则,并且进行了详细的理论分析。最后给出了实现CMI故障无缝切除控制的具体方法。仿真结果表明该控制策略能实现故障无缝切除控制的目标。
분석료CMI（급련다전평역변기）산생고장적원인,급출료절제CMI고장공솔단원적정학조작보취,통과방진설명료직접절제고장공솔단원가능대래적후과。재차기출상,제출료CMI고장무봉절제적개념화기본원칙,병차진행료상세적이론분석。최후급출료실현CMI고장무봉절제공제적구체방법。방진결과표명해공제책략능실현고장무봉절제공제적목표。
It analyzes the malfunction causes of CMI（Cascaded Multilevel Inverter） and gives the correct operation steps of cutting broken-down power unit.Consequence of cutting broken-down power unit directly is shown by simulation.On this basis,the concept and basic principle of cutting CMI malfunction power unit seamlessly are given and detailed theoretical analysis is carried on.At last,the specific control method of cutting CMI malfunction power unit seamlessly is also given.Simulation results show that the control strategy achieves the target of cutting CMI malfunction power unit seamlessly.