Analysis of a Surface-Mounted Permanent-Magnet Machine with Overhang Structure by Using a Novel Equivalent Magnetic Circuit Model

Title
Analysis of a Surface-Mounted Permanent-Magnet Machine with Overhang Structure by Using a Novel Equivalent Magnetic Circuit Model
Author(s)
여한결[여한결]우동균임동국[임동국]노종석[노종석]정현교[정현교]
Keywords
AIR-GAP; ELECTROMAGNETIC PERFORMANCE; SYNCHRONOUS GENERATOR; ANALYTICAL PREDICTION; OPTIMAL-DESIGN; MOTOR; FLUX; TORQUE; ACTUATOR; FIELD
Issue Date
201411
Publisher
KOREAN INST ELECTR ENG
Citation
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.9, no.6, pp.1960 - 1966
Abstract
The rotor overhang is used to enhance the air-gap flux and improve the power density. Due to the asymmetry in the axial direction caused by the overhang, a time consuming 3D analysis is necessary when designing a motor with overhang. To solve this problem, this paper proposes an equivalent magnetic circuit model (EMCM) which takes account overhang effects without a 3D analysis by using effective air-gap length. The analysis time can be reduced significantly via the proposed EMCM. A reduction in the analysis time is essential for a preliminary design of a motor. In order to verify the proposed model, a 3-D finite-element method (FEM) analysis is adopted. 3-D FEM results confirm the validity of the proposed EMCM.
URI
http://hdl.handle.net/YU.REPOSITORY/30489http://dx.doi.org/10.5370/JEET.2014.9.6.1960
ISSN
1975-0102
Appears in Collections:
공과대학 > 전기공학과 > Articles
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