Electromagnetic and thermal analysis and design of a novel-structured surface-mounted permanent magnet motor with high-power-densityopen access
- Authors
- Lee, J.-G.; Yeo, H.-K.; Jung, H.-K.; Kim, T.-K.; Ro, J.-S.
- Issue Date
- Apr-2019
- Publisher
- Institution of Engineering and Technology
- Keywords
- permanent magnet motors; lumped parameter networks; thermal analysis; stators; segmented-core structure; high-power-density motors; SC motor; manufacturing process; HP motor; ring-coupled segmented-stator model; design flow; asymmetric overhang structure; lumped parameter thermal network; design method; RSS motor; thermal analysis; electromagnetic analysis; structured surface-mounted permanent magnet motor; motor manufacturability; LPTN
- Citation
- IET Electric Power Applications, v.13, no.4, pp 472 - 478
- Pages
- 7
- Journal Title
- IET Electric Power Applications
- Volume
- 13
- Number
- 4
- Start Page
- 472
- End Page
- 478
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/18581
- DOI
- 10.1049/iet-epa.2018.5322
- ISSN
- 1751-8660
1751-8679
- Abstract
- A segmented-core (SC) structure has been widely used for high-power-density (HP) motors. However, the SC motor is associated with a number of problems due to the complexity of both the structure and the manufacturing process. To address these issues, a novel structure of a HP motor is proposed, referred to as the ring-coupled segmented-stator (RSS) model here. The proposed RSS can increase the reliability, the stability, and the manufacturability of motor. Furthermore, useful thermal analysis and design flow which take into account the RSS and asymmetric overhang structure of the motor are proposed in this research. The proposed lumped parameter thermal network (LPTN) for the thermal analysis shows a good agreement with experimental data within 9.8% difference. The proposed analysis and design method can be used for the diverse kinds of motor requiring the HP. The usefulness of the proposed RSS motor, the analysis method, and the design method are verified through the experiment in this research. © The Institution of Engineering and Technology 2019.
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