Analysis, modeling and simulation of static eccentric reluctance synchronous motor

T. Ilamparithi, S. Nandi
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引用次数: 10

Abstract

In recent times Reluctance Synchronous Motors (RSM) have gained popularity in variable speed market due to their advantages like low cost, rugged construction, minimum winding losses, and zero speed regulation. Usually in RSM the direct axis air gap is kept low to achieve improved performance. Therefore, eccentricity fault detection in RSM becomes vital. Static eccentricity, one of the two types of eccentricity, is present even in a newly manufactured motor. So far not much work has been reported in literature with respect to modeling a salient pole machine under static eccentric condition. In this paper a Modified Winding Function Approach (MWFA) based model is developed and a characteristic frequency corresponding to static eccentric condition is identified. Finally a non-invasive method based on Motor Current Signature Analysis (MCSA) and residue elimination technique is used to detect static eccentricity in a salient pole RSM in an unambiguous manner.
静态偏心磁阻同步电动机的分析、建模与仿真
近年来,磁阻同步电机(RSM)由于其低成本,坚固的结构,最小的绕组损耗和零调速等优点,在变速市场上越来越受欢迎。通常在RSM中,直轴气隙保持在较低的水平,以提高性能。因此,在RSM中进行偏心故障检测变得至关重要。静态偏心是两种偏心中的一种,即使在新制造的电动机中也存在。迄今为止,关于静偏心条件下凸极电机建模的文献报道还不多。本文建立了一种基于修正绕组函数法(MWFA)的模型,并确定了与静偏心状态相对应的特征频率。最后,采用基于电机电流特征分析(MCSA)和残差消除技术的非侵入检测方法,对凸极RSM的静偏心进行了明确的检测。
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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