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Bubbles and Blisters Impact on Die-Casting Cage to the Designs and Operations of Line-Start Synchronous Reluctance Motors

Title
Bubbles and Blisters Impact on Die-Casting Cage to the Designs and Operations of Line-Start Synchronous Reluctance Motors
Author
이주
Keywords
LS-SynRM; die-casting; RSM; parameter design
Issue Date
2016-11
Publisher
IEEE
Citation
2016 IEEE Conference on Electromagnetic Field Computation (CEFC) Electromagnetic Field Computation (CEFC), 2016 IEEE Conference on. :1-1 Nov, 2016
Abstract
This paper includes an investigation of the starting capability of a high efficiency synchronous reluctance motor for direct on-line industrial applications. The approach is to design and optimal of multi-barriers inside rotor to achieve the starting properties of an line start synchronous reluctance motor (LSSynRM) and the steady-state performance. Using an equivalent circuit on the basis of symmetric field theory, conditions are found for balanced operation at rated conditions and for state/rotor copper loss minimization in the rotor. The optimal model of LS-SynRM is compared and evaluated against a same size induction motor (IM). In addition, the shape of cage bar in LS-SynRM rotor will be analyzed, along with the generated motor torque and loss assessment. As the related die-casting processes on the end-ring and of cage bar achieve desired low rotor resistance, their impacts to the synchronization of LSSynRM due to bubble/blister during die-casting will also be thoroughly evaluated. Assisted by finite-element analysis (FEM), the results clearly indicated that the rotor slots optimal with diecasting process on the rotor must be introduced for LS-SynRM designs with better steady-state performance and higher efficiency requirements.
URI
https://ieeexplore.ieee.org/document/7816360https://repository.hanyang.ac.kr/handle/20.500.11754/101030
ISBN
978-1-5090-1032-5
DOI
10.1109/CEFC.2016.7816360
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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