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A New Circuit-oriented Model For The Analysis Of Six-phase Induction Machine Performances

机译：面向电路的六相感应电机性能分析新模型

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This paper deals with a six-phase induction machine design for 42 V embedded applications such as electrical power steering. This machine has symmetrical 60 displacement windings which allow fault-tolerant modes. In fact, when one or more phases are .opened, the machine is able to rotate with a torque reduction. A simple circuit-oriented model has been proposed in order to simulate the six-phase squirrel-cage induction machine and to predict its performances. The proposed method consists in the elaboration of an electric equivalent circuit obtained from minimal dimensional knowledge of stator and rotor parts. It takes into account only the magnetic circuit dimensions and the airgap length. A six-phase squirrel-cage induction machine of 0.09 kW, 17 V, 50 Hz, two poles has been used for the experimental set-up. A design program including the non-linear electromagnetic model has been also used with a complete description of stator and rotor cores using the iron non-linear characteristic for the final verification. The simulation results given by the two models are compared with the experimental tests in order to verify their accuracy. The harmonic analyses of stator currents are also compared to go further in the model validations.
机译：本文介绍了用于42 V嵌入式应用（如电动助力转向）的六相感应电机设计。该机器具有对称的60排量绕组，可实现容错模式。实际上，当打开一个或多个相时，电机能够以减小的扭矩旋转。为了模拟六相鼠笼式感应电机并预测其性能，提出了一个简单的面向电路的模型。所提出的方法在于详细说明从定子和转子零件的最小尺寸知识获得的等效电路。它仅考虑磁路尺寸和气隙长度。实验装置使用了0.09 kW，17 V，50 Hz，两极的六相鼠笼式感应电机。还使用了包括非线性电磁模型的设计程序，并使用铁的非线性特性对定子和转子铁心进行​​了完整描述，以进行最终验证。将两个模型给出的仿真结果与实验测试进行比较，以验证其准确性。还对定子电流的谐波分析进行了比较，以进一步进行模型验证。

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