scholarly journals Analysis of rotor asymmetry fault in three-phase line start permanent magnet synchronous motor

2021 ◽  
Vol 34 (4) ◽  
pp. 483-498
Author(s):  
Mahdi Karami ◽  
Norman Mariun ◽  
Kadir Ab ◽  
Radzi Mohd ◽  
Norhisam Misron
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Low Frequency ◽  
Synchronous Motor ◽  
Effective Index ◽  
Detection Scheme ◽  
Phase Line ◽  
Three Phase ◽  
Frequency Components ◽  
Static Eccentricity

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.

Method for Calculating Performance of Three-Phase Line-Start Permanent-Magnet Synchronous Motor

2011 ◽  
Vol 131 (12) ◽  
pp. 1465-1475 ◽  
Author(s):  
Tsuneo Takegami ◽  
Kazuo Tsuboi ◽  
Isao Hirotsuka ◽  
Masanori Nakamura
Keyword(s):  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Phase Line ◽  
Three Phase

scholarly journals Static Eccentricity Fault Recognition in Three-Phase Line Start Permanent Magnet Synchronous Motor Using Finite Element Method

2014 ◽  
Vol 2014 ◽  
pp. 1-12 ◽  
Author(s):  
Mahdi Karami ◽  
Norman Mariun ◽  
Mohammad Rezazadeh Mehrjou ◽  
Mohd Zainal Abidin Ab Kadir ◽  
Norhisam Misron ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Permanent Magnet ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Current Signal ◽  
Stator Current ◽  
Three Phase ◽  
Static Eccentricity ◽  
Element Method

This paper is dedicated to investigating static eccentricity in a three-phase LSPMSM. The modeling of LSPMSM with static eccentricity between stator and rotor is developed using finite element method (FEM). The analytical expression for the permeance and flux components of nonuniform air-gap due to static eccentricity fault is discussed. Various indexes for static eccentricity detection using stator current signal of IM and permanent magnet synchronous motor (PMSM) are presented. Since LSPMSM is composed of a rotor which is a combination of these two motors, the ability of these features is evaluated for static eccentricity diagnosis in LSPMSM. The simulated stator current signal of LSPMSM in the presence of static eccentricity is analyzed in frequency domain using power spectral density (PSD). It is demonstrated that static eccentricity fault generates a series of low frequency harmonic components in the form of sidebands around the fundamental frequency. Moreover, the amplitudes of these components increase in proportion to the fault severity. According to the mentioned observations, an accurate frequency pattern is specified for static eccentricity detection in three-phase LSPMSM.

A General Analytical Method for a Three-Phase Line-Start Permanent-Magnet Synchronous Motor

2013 ◽  
Vol 185 (4) ◽  
pp. 60-68 ◽  
Author(s):  
Kazuo Tsuboi ◽  
Tsuneo Takegami ◽  
Isao Hirotsuka ◽  
Masanori Nakamura
Keyword(s):  
Permanent Magnet ◽  
Analytical Method ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Phase Line ◽  
Three Phase

scholarly journals Development of Three-Phase Permanent-Magnet Synchronous Motor Drive with Strategy to Suppress Harmonic Current

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1583
Author(s):  
Wei-Tse Kao ◽  
Jonq-Chin Hwang ◽  
Jia-En Liu
Keyword(s):  
Permanent Magnet ◽  
Electromotive Force ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Motor Drive ◽  
Actual Measurement ◽  
Current Harmonic ◽  
Three Phase ◽  
Measurement Results ◽  
Harmonic Components

This study aimed to develop a three-phase permanent-magnet synchronous motor drive system with improvement in current harmonics. Considering the harmonic components in the induced electromotive force of a permanent-magnet synchronous motor, the offline response of the induced electromotive force (EMF) was measured for fast Fourier analysis, the main harmonic components were obtained, and the voltage required to reduce the current harmonic components in the corresponding direct (d-axis) and quadrature (q-axis) axes was calculated. In the closed-loop control of the direct axis and quadrature axis current in the rotor reference frame, the compensation amount of the induced EMF with harmonic components was added. Compared with the online adjustment of current harmonic injection, this simplifies the control strategy. The drive system used a 32-bit digital signal processor (DSP) TMS320F28069 as the control core, the control strategies were implemented in software, and a resolver with a resolver-to-digital converter (RDC) was used for the feedback of angular position and speed. The actual measurement results of the current harmonic improvement control show that the total harmonic distortion of the three-phase current was reduced from 5.30% to 2.31%, and the electromagnetic torque ripple was reduced from 15.28% to 5.98%. The actual measurement results verify the feasibility of this method.

scholarly journals Fault Tolerant Control of PMSM Three-Phase Four-Switch Inverter

2021 ◽  
Vol 2083 (2) ◽  
pp. 022073
Author(s):  
Yuan Cao ◽  
Fuzhi Jing ◽  
Heng Wan
Keyword(s):  
Permanent Magnet ◽  
High Efficiency ◽  
Fault Tolerant ◽  
Permanent Magnet Synchronous Motor ◽  
Fault Tolerant Control ◽  
Synchronous Motor ◽  
High Power Density ◽  
Transportation Industry ◽  
Three Phase ◽  
Fast Dynamic

Abstract Permanent Magnet Synchronous Motor (Permanent Magnet Synchronous Motor, hereinafter referred to as PMSM) has the characteristics of small size, high efficiency, high power density and fast dynamic response, etc., and more and more applications in the transportation industry. This also has higher and higher requirements for the reliability and security of PMSM drivers. In this paper, the fault tolerant control strategy of PMSM based on three phase four switch inverter is proposed based on vector control and the simulation verification is carried out.

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