ANALYSIS OF ROTOR ASYMMETRY FAULT IN THREE-PHASE LINE START PERMANENT MAGNET SYNCHRONOUS MOTOR

Mahdi Karami, Norman Mariun, Mohd Zainal Abidin Ab Kadir, Mohd Amran Mohd Radzi, Norhisam Misron

DOI Number
https://doi.org/10.2298/FUEE2104483K
First page
483
Last page
498

Abstract


This article proposed a detection scheme for three-phase Line start permanent magnet synchronous motor (LSPMSM) under different levels of static eccentricity fault. Finite element method is used to simulate the healthy and faulty LSPMSM with different percentages of static eccentricity. An accurate laboratory test experiment is performed to evaluate the proposed index. Effects of loading condition on LSPMSM are also investigated. The fault related signatures in the stator current are identified and an effective index for LSPMSM is proposed. The simulation and experimental results indicate that the low frequency components are an effective index for detection of the static eccentricity in LSPMSM.


Keywords

Line start permanent magnet synchronous motor, static eccentricity, current signature analysis, finite element method, fault detection

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References


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ISSN: 2217-5997 (Online)

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