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Thermal Analysis of Interior Permanent-Magnet Synchronous Motor by Electromagnetic Field-Thermal Linked Analysis
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 Title & Authors
Thermal Analysis of Interior Permanent-Magnet Synchronous Motor by Electromagnetic Field-Thermal Linked Analysis
Lee, Sang-Taek; Kim, Hee-Jun; Cho, Ju-Hee; Joo, Dae-Suk; Kim, Dae-Kyong;
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This paper reports an investigation of pulse width modulation (PWM) techniques for twophase brushless DC (BLDC) motors fed by a two-phase eight-switch inverter in a fan application. The three-phase BLDC motor is widely applied in industry; however, a lower-cost two-phase BLDC motor and drive circuit has been greatly in demand in recent years. In this paper, we introduce a mathematical model of the two-phase BLDC motor with sinusoidal back electromotive forces (EMFs) based on traditional three-phase BLDC motors. To simplify the drive algorithm and speed up its application, we analyze the principle of block commutation for a two-phase BLDC motor drive in the 180-electricaldegree conduction mode, and we further propose five PWM schemes to improve the commutation performance of the two-phase BLDC drive. The effectiveness of the proposed PWM methods is verified through experiments.
Thermal analysis;Analytical models;Numerical models;Permanent-magnet motors;
 Cited by
Water-Cooled Direct Drive Permanent Magnet Motor Design in Consideration of its Efficiency and Structural Strength,Lee, Ji-Young;Hong, Do-Kwan;Woo, Byung-Chul;Kim, Kyu-Seob;Hong, Jung-Pyo;

Journal of Magnetics, 2013. vol.18. 2, pp.125-129 crossref(new window)
Water-Cooled Direct Drive Permanent Magnet Motor Design in Consideration of its Efficiency and Structural Strength, Journal of Magnetics, 2013, 18, 2, 125  crossref(new windwow)
Design of permanent magnet synchronous motors including thermal aspects, COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 2015, 34, 2, 561  crossref(new windwow)
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