Design Process of Working Bar of Double-Cage Induction Motor
- Authors
- Kim, Dong-Ho; Choi, Jun-Hyuk; Kim, Kwang Soo; Lee, Ju; Kim, Won-Ho
- Issue Date
- Jun-2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Bars; Rotors; Induction motors; Resistance; Stator windings; Torque; Induction motors; AC motors; electric motors
- Citation
- IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, v.30, no.4
- Journal Title
- IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
- Volume
- 30
- Number
- 4
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/27296
- DOI
- 10.1109/TASC.2020.2976965
- ISSN
- 1051-8223
- Abstract
- Double-cage rotors are used to produce induction motors with high efficiency and high starting torque. Most often, experience constants are used in the design of the working bars of double-cage rotors. However, an error occurs, resulting in lower efficiency than actual in the characteristic analysis results. In this study, a new working bar design process is proposed using correct factor and regression, instead of using the existing experience constant when designing the working bar of the double-cage rotor. The performance of a 15-kW-class construction motor model using the existing experience constant was compared with that of the proposed design process through magnetic equivalent circuit (MEC). Finally, the finite-element method (FEM) and start-up performance tests proved the validity of the process.
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