基于电压注入的三相星形连接开关磁阻电机转子初始位置估计方法

2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI:10.1109/PEDS.2007.4487746

P. Somsiri, P. Champa, P. Wipasuramonton, K. Tungpimonrut, P. Aree

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引用次数: 4

摘要

本文提出了一种无需位置和电流传感器确定三相星形连接开关磁阻电机静止状态下转子初始位置的简单方法。初始转子位置估计的原理是基于与实际转子位置相关的定子电感变化。在该方法中，只按顺序施加两个窄电压脉冲注入。该方法不需要检测机器参数和相电流。该方法适用于低成本srm驱动应用。在6/4极三相SRM上进行了实验，结果表明所提出的初始转子位置估计精度令人满意。

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Voltage Injection Based Initial Rotor Position Estimation Method for Three-Phase Star-Connected Switched Reluctance Machines

This paper presents a simple method to determine the initial rotor position of a three-phase star- connected switched reluctance machine (SRM) at standstill without position and current sensors. The principle of the initial rotor position estimation is based on the stator inductance variation related to the actual rotor position. In the proposed method, only two narrow voltage pulse injections are applied in sequence. In this method the machine parameters and phase current detection are not required. The method is suitable for low-cost SRM-drive applications. The experimental results were carried out on a 6/4 poles three-phase SRM and show the satisfactory accuracy of the proposed initial rotor position estimation.

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2007 7th International Conference on Power Electronics and Drive Systems

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