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A sensorless initial rotor position estimation scheme for a direct torque controlled interior permanent magnet synchronous motor drive

机译:直接转矩控制的内部永磁同步电动机驱动器的无传感器初始转子位置估计方案

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This paper presents a method of determining the initial rotor position of an interior permanent magnet synchronous motor (IPMSM) which is required for direct torque controlled (DTC) IPMSM drives. The method consists of injecting a high frequency voltage to the windings and examining the effects of the saliency on the amplitude of the corresponding stator current components. This method does not depend on the level of static load and on any motor parameters. Also the magnetic pole is identified utilizing the effect of magnetic saliency.
机译:本文提出了一种确定内部永磁同步电动机(IPMSM)初始转子位置的方法,该方法是直接转矩控制(DTC)IPMSM驱动器所必需的。该方法包括向绕组注入高频电压,并检查凸度对相应定子电流分量幅度的影响。该方法不取决于静载荷的水平以及任何电动机参数。同样利用磁显着性的作用来识别磁极。

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