摘  要：对多相无刷直流电动机的绕组连接拓扑结构进行讨论，指出了封闭形接法的多相电机存在绕组回路可能有环流，逆变桥功率开关管电流容量和成本高于星形接法，以及不具有容错能力等不足。采用封闭形接法的“新一代BLDCM”是否能够成为新的发展方向还有待进一步实践验证和探讨。
关键词：无刷直流电动机；多相绕组；封闭形接法；星形接法

Abstract: In this paper, the topology of various winding connection in multiphase brushless DC motor were presented，and disadvantage of the so-called new generation of BLDCM with close connection winding was discussed.
Key words: brushless DC motor；multiphase；close connection；star connection