A Study on Analysis of Synchronous Reluctance Motor Considering Axial Flux Leakage Through End Plate
- Authors
- Lee, Jae-Kwang; Jung, Dong-Hoon; Lee, Ki-Doek; Jin, Wonjoon; Lee, Geunho; Lee, Ju; Oh, Ye Jun
- Issue Date
- Jun-2019
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- End plate; flux leakage; minimum energy performance standard; saliency end plate; synchronous reluctance motor (SynRM)
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.55, no.6, pp.1 - 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 55
- Number
- 6
- Start Page
- 1
- End Page
- 4
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/147649
- DOI
- 10.1109/TMAG.2019.2900737
- ISSN
- 0018-9464
- Abstract
- This paper discusses the design of a synchronous reluctance motor designed to replace a 5.5 kW industrial induction motor. End plates are axially placed at both ends of an industrial motor to fix the lamination of the rotor. It is manufactured from magnetic materials to ensure manufacturing convenience and price advantage. With its construction from magnetic materials, a lower output of the motor due to axial flux leakage is observed. This paper analyzed the drop in output caused by the axial flux leakage in the end plate constructed of magnetic material and methods to compensate for the said output drop. The first method to improve the output degradation problem was to fabricate the end plate as a non-magnetic material. This, however, was found to be inefficient due to the need for different mass production apparatus for the new material. A new method proposed in this paper involved using the end plate constructed of magnetic material but incorporating a new shape to the end plate with the saliency ratio to resolve the decreased output problem. This method converts the magnetic flux leaked in the axial direction into reluctance torque. The 3-D FEA was performed for the validity of the method, and reliability was verified through the production and testing of the actual models.
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