无传感器位置估计在低速直到静止与减少滤波要求的外部退出同步机

2017 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED) Pub Date : 2017-09-01 DOI:10.1109/SLED.2017.8078422

J. Schuster, V. Ketchedjian, J. Roth-Stielow

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引用次数: 2

摘要

本文提出了一种外部退出同步电机低速至静止无传感器位置估计方法。驱动转子电路的降压变换器的开关作为载波信号。通常，定子电流控制器会减少用于位置估计的信号，因此需要在电流反馈中添加滤波器。提出了一种利用转子降压变换器的开关作为载波信号，在定子电流反馈中不加滤波器的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sensorless position estimation at low speeds till standstill with reduced filtering requirements for an externally exited synchronous machine

This paper presents a method for sensorless position estimation at low speeds till standstill for an externally exited synchronous machine. The switching of the buck converter, that drives the rotor circuit is used as carrier signal. Normally the stator current controller reduces the signal that is used for the position estimation and so a filter in the current feedback is needed. A method to use the switching of the rotor buck converter as carrier signal without a filter in the stator current feedback is presented.

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2017 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED)

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