Torque Calculation of Fifteen-Phase Induction Motor with Different Sets of Winding Derated Operation
Zheng Xiaoqin1, Wang Dong2, Liu Haitao2, Meng Fanqing2
1.College of Electrical Engineering Qingdao University Qingdao 266071 China; 2.National Key Laboratory for Vessel Integrated Power System Technology Naval University of Engineering Wuhan 430033 China
Abstract：The reliability of the propulsion system is directly related to the performance of load matching for multi-phase induction motor with different sets of winding operation. In this paper, a fifteen-phase induction motor with different sets of five-phase winding derated operation is investigated. First, the stator and rotor parameters are recalculated. Then the magnetic reactance considering the change of magnetic circuit saturation is recalculated by a distributed magnetic circuit approach. Variable parameter equivalent circuit of fifteen-phase induction motor with different sets of winding operation is established. The maximum output torque matched with propeller load can be predicted for the fifteen-phase induction motor with different sets of five-phase winding derated operation. The output torque of a prototype fifteen-phase induction motor are measured by a derated test with different sets of five-phase winding out of service. The analytically predicted results are compared with the measured results, where good agreements are achieved.
郑晓钦, 王东, 刘海涛, 孟繁庆. 十五相感应推进电机切套减额运行转矩计算[J]. 电工技术学报, 2019, 34(1): 58-65.
Zheng Xiaoqin, Wang Dong, Liu Haitao, Meng Fanqing. Torque Calculation of Fifteen-Phase Induction Motor with Different Sets of Winding Derated Operation. Transactions of China Electrotechnical Society, 2019, 34(1): 58-65.
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2019, Vol. 34 
