유도모터의 회로정수 산정을 이용한 도체바 형상최적설계Shape Optimization of Rotor Slot in Induction Motor Using Circuit Parameter Calculation
- Other Titles
- Shape Optimization of Rotor Slot in Induction Motor Using Circuit Parameter Calculation
- Authors
- 이겨레; 민승재; 홍정표
- Issue Date
- May-2011
- Publisher
- 한국자동차공학회
- Keywords
- Induction Motor(유도모터); Circuit Parameter(회로 정수); Shape Optimization(형상 최적화); Rotor slot(회전자 슬롯); Torque(토크)
- Citation
- 2011 한국자동차공학회 부문종합학술대회 논문집, no. , pp.2245 - 2247
- Indexed
- OTHER
- Journal Title
- 2011 한국자동차공학회 부문종합학술대회 논문집
- Start Page
- 2245
- End Page
- 2247
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168415
- Abstract
- Induction motor is considered as an alternative to replace permanent magnet motors, due to ease of manufacturing and lack of rare earth material. However, since induction motor is relatively large in size and has low power density, previousstudies have performed to increase the performance by changing the pre-defined parameters of rotor slot. In this paper, level set-based shape optimization is applied to design the optimal shape of rotor slot for torque maximization. Material boundaries represented by level set function are moved by the sensitivity of the objective function. To identify the rated current at eachoptimization process, the equivalent circuit parameters of induction motor are calculated using the finite element method. Based on the calculated current, time-harmonic magnetic analysis is performed and the rated torque and power are evaluated. The proposed method is applied to the reference design problem and validated to obtain the improved design.
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