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首页> 外文期刊>Plasma Science, IEEE Transactions on >Flux-Weakening-Characteristic Analysis of a New Permanent-Magnet Synchronous Motor Used for Electric Vehicles
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Flux-Weakening-Characteristic Analysis of a New Permanent-Magnet Synchronous Motor Used for Electric Vehicles

机译:新型电动汽车用永磁同步电动机的磁通减弱特性分析

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摘要

The permanent-magnet (PM) synchronous motor (PMSM) takes advantages of small capacity, high efficiency, and high power density and have become commonplace in electric-vehicle driving systems. However, the excitation of PMSM cannot be adjusted, which restrains the PMSM from widening the speed range above its base speed. A PMSM with a variable magnetic reluctance field adjustment is presented in this paper. A new structure of the rotor is introduced, and flux-weakening (FW) principle is formulated. Analysis is discussed, including the force on the main PM, the movement process of the PM in the PM slot, the characteristics of the movement of the PM, and the FW performance of the new PMSM used for electric vehicles. The emulation analysis coincides with the test result, which verifies the availability and feasibility of the FW method for this kind of PMSM used for electric vehicles.
机译:永磁(PM)同步电动机(PMSM)具有容量小,效率高和功率密度高的优点,并且已在电动车辆驱动系统中变得很普遍。但是,PMSM的励磁无法调整,这限制了PMSM将速度范围扩展到其基本速度以上。本文提出了一种具有可变磁阻场调节的PMSM。介绍了一种新型的转子结构,并阐述了磁通弱化(FW)原理。讨论了分析,包括主PM上的力,PM在PM槽中的运动过程,PM的运动特性以及用于电动汽车的新型PMSM的FW性能。仿真分析与测试结果相吻合,验证了用于电动汽车的此类PMSM的FW方法的可行性和可行性。

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