On the Mathematical Modeling of Line-Start Permanent Magnet Synchronous Motors under Static Eccentricity

Ibrahem Hussein, Zakariya Al-Hamouz, M. A. Abido and Abdulaziz Milhem
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Ibrahem Hussein: Electrical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 34464, Saudi Arabia
Zakariya Al-Hamouz: Electrical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 34464, Saudi Arabia
M. A. Abido: Electrical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 34464, Saudi Arabia
Abdulaziz Milhem: Electrical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 34464, Saudi Arabia

Energies, 2018, vol. 11, issue 1, 1-17

Abstract: Line start permanent magnet synchronous motors experience different types of failures, including static eccentricity. The first step in detecting such failures is the mathematical modeling of the motor under healthy and failed conditions. In this paper, an attempt to develop an accurate mathematical model for this motor under static eccentricity is presented. The model is based on the modified winding function method and coupled magnetic circuits approach. The model parameters are calculated directly from the motor winding layout and its geometry. Static eccentricity effects are considered in the motor inductances calculation. The performance of the line start permanent magnet synchronous motor using the developed mathematical model is investigated using MATLAB/SIMULINK ® software (2013b, MathWorks, Natick, MA, USA) under healthy and static eccentricity condition for different loading values. A finite element method analysis is conducted to verify the mathematical model results, using the commercial JMAG ® software (16.0.02n, JSOL Corporation, Tokyo, Japan). The results show a fine agreement between JMAG ® and the developed mathematical model simulation results.

Keywords: line start permanent magnet synchronous motor; static eccentricity; stator current; finite element method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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