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Design and iron loss analysis of sensorless-controlled interior permanent magnet synchronous motors with concentrated winding

Authors
Lim, Myung SeopChai, Seung-HeeHong, Jung-Pyo
Issue Date
Nov-2014
Publisher
INST ENGINEERING TECHNOLOGY-IET
Keywords
permanent magnet motors; synchronous motor drives; sensorless machine control; stators; rotors; finite element analysis; harmonic analysis; traction; electric vehicles; iron loss analysis; concentrated winding; stator conflguration; low-speed sensorless-controlled interior permanent magnet synchronous motors; sensorless drive feasibility; iron loss; rotor position error; harmonic iron loss; two-dimensional nonlinear finite element analysis; IPMSM; stator tooth tip; stator chamfer; electric vehicle traction
Citation
IET ELECTRIC POWER APPLICATIONS, v.8, no.9, pp.349 - 356
Indexed
SCIE
SCOPUS
Journal Title
IET ELECTRIC POWER APPLICATIONS
Volume
8
Number
9
Start Page
349
End Page
356
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/158722
DOI
10.1049/iet-epa.2014.0005
ISSN
1751-8660
Abstract
This study investigates the influence of the stator configuration of low-speed sensorless-controlled interior permanent magnet synchronous motors (IPMSMs) with concentrated winding on the sensorless drive feasibility and iron loss. To evaluate the sensorless controllability of the motors, a mathematical and simulation process of estimating the rotor position error is proposed. In addition, the harmonic iron loss under a load condition is analysed via two-dimensional non-linear finite element analysis. Considering both the sensorless drive feasibility and iron loss, the four different IPMSMs, which have different tooth tip configurations in the stator, are examined. It is shown that the machine with a relatively short and thin stator tooth tip has better sensorless drive controllability and lower harmonic iron loss than the others. Based on the analysis result, a final model applied with stator chamfer for electric vehicle traction is proposed and manufactured. The validity of the simulations and the design method are verified by the experiments.
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COLLEGE OF ENGINEERING (DEPARTMENT OF AUTOMOTIVE ENGINEERING)
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