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Design and Analysis of Characteristics of Interior Permanent Magnet BLDC Motor That Consider Shape-Ratio of Permanent Magnet  

Yun Keun-Young (Atechsolution 기술연구소)
Rhyu Se-Hyun (전자부품연구원)
Yang Byoung-Yull (Samsung DA연구소)
Kwon Byung-Il (한양대 공대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.55, no.1, 2006 , pp. 1-8 More about this Journal
Abstract
Now a day, owing to high efficiency and easy speed control of brushless DC(BLDC) motor, the demand of BLDC motor that has high power and low noises are increasing. Especially demand of interior permanent magnet(IPM) BLOC with high efficiency and high power in electric motion vehicle is increasing. IPM BLDC motor has permanent magnets in the rotor. Because it has two different flux paths, magnetic reluctance differences are generated in d-axis and q-axis. As the result of the inductance differences that are generated by the saliency(magnetic reluctance differences) in the rotor, the motor has structure advantage that has the additional reluctance torque except a magnet torque and because magnet is situated inside the rotor, the mechanical structure is strong. Therefore IPM BLDC motor makes possible to have high speed and high power. This paper presents a design and characteristics analysis of IPM BLDC motor for electric vehicle. To design IPM BLDC motor, surface mounted permanent magnet(SPM) BLDC motor is used as the initial design model. According to the shape-ratio() of permanent magnet, the characteristic of IPM BLDC motor is analyzed by Finite element method (FEM). Characteristics analysis results of the designed motor are compared with the experimental results.
Keywords
IPM; BLDC;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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