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Active Differential Inductance Control of Permanent Magnet Synchronous Machines Using Short-Circuited Rotor Coils

机译:短路转子线圈对永磁同步电机的有源差分电感控制

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摘要

In this paper, novel active strategies to influence the differential magnetic anisotropy in permanent magnet synchronous machines using short- circuited coils in the rotor to improve the self- sensing capabilities at low and zero speed including manufacturing solutions are presented. The critical range of low differential anisotropy can be shifted to higher loads or actively skipped. Alternatively, the inductance characteristics can be linearized over load. This enables machine designs with good performance in torque density and efficiency as well as good self-sensing characteristics without major compromises. The resulting inductance characteristics are simulated for nonlinear machine models of different rotor configurations.
机译:在本文中,提出了新颖的主动策略来影响永磁同步电机中的差分磁各向异性,该永磁同步电机使用转子中的短路线圈来提高低速和零速时的自感应能力,包括制造解决方案。低微分各向异性的临界范围可以转移到更高的负载或主动跳过。或者,电感特性可以在负载范围内线性化。这使机器设计在扭矩密度和效率方面具有良好的性能,并且具有良好的自感应特性,而又没有太大的妥协。对于不同转子配置的非线性机器模型,将模拟所得的电感特性。

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