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船舶电力推进中十五相感应电机同轴运行及容错控制策略

, PP. 65-74

Keywords: 多相电机,同轴,矢量控制,容错控制

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Abstract:

同轴双十五相电机推进系统具有高可靠性、能容错运行、能驱动较重负载等优势,因此其在船舶电力推进中的应用具有重要意义。本文首先分析建立了十五相电机的数学模型,在此基础上建立了十五相感应电机和螺旋桨负载的仿真模型。通过广义派克变换矩阵的建立,设计了十五相电机转子磁场定向矢量控制策略,并结合同轴电机的转矩随动控制,得到了转矩随动矢量控制策略。分析了断相故障下十五相电机气隙磁场的变化,研究了切除对称分布定子相绕组的容错控制策略。通过Matlab/Simulink中的仿真模型,说明了同轴双十五相电机推进系统控制策略的有效性和容错控制策略的可行性。

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