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A Study on the Design of Flat-Type IPMSM in Parallel Hybrid Traction Application  

Kim Ki-Nam (현대자동차)
Yang Hai-Won (한양대학교 전자컴퓨터 공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.53, no.12, 2004 , pp. 718-724 More about this Journal
Abstract
This study investigates the design factors of Interior Permanent Magnet Synchronous Motor(IPMSM) which is applied to Hybrid electric vehicle as a driving power. Recently, there are many studies of IPMSM for application to Hybrid Electric Vehicle, because IPMSM has characteristics of high torque, high power density and high efficiency which come from reluctance torque due to difference of inductance as well as magnet torque. This study analyzes the inductance and design characteristics of IPMSM by using finite element method and focuses on design and analysis of IPMSM which can operates with high efficiency at low speed range. For this embodiment, magnet shape is changed from conventional block type to arc type without any change of outline dimension of motor and this change of magnet shape makes it possible to increase back EMF and sinusoidal waveform. Analysis results are verified by test of improved and embodied motor. As a test result , increased back EMF and sharply decrease of harmonics are secured and through this contribution of reduced fuel consumption of Hybrid electric vehicle is expected.
Keywords
IPMSM; Parametric Analysis; FEM; Traction Motor; Maximum Power;
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