Semi-3D Analysis of a Permanent Magnet Synchronous Generator Considering Bolting and Overhang Structure

Ji-Su Hong, Hoon-Ki Lee, Junghyo Nah, Kyong-Hwan Kim, Kyung-Hun Shin and Jang-Young Choi
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Ji-Su Hong: Department of Electrical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
Hoon-Ki Lee: Department of Electrical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
Junghyo Nah: Department of Electrical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea
Kyong-Hwan Kim: Offshore Plant Research Division Korea Research Institute of Ships and Ocean Engineering, Daejeon 34103, Korea
Kyung-Hun Shin: Department of Power System Engineering, Chonnam National University, 50 Daehak-ro, Yeosu 59626, Korea
Jang-Young Choi: Department of Electrical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea

Energies, 2022, vol. 15, issue 12, 1-10

Abstract: This study deals with the characteristic analysis of a permanent magnet synchronous generator (PMSG) with a bolting and an overhang structure. Bolting is applied to a PMSG to prevent the defects caused by scattering. To compensate the flux reduction caused by the end effect and bolting material, an overhang structure is used for the permanent magnet machine. Therefore, an overhang structure must be considered in the three-dimensional (3D) analysis of a PMSG; however, such an analysis is time-intensive. To reduce the initial analysis time, we performed a semi-3D analysis of a PMSG considering a bolting and an overhang structure. Subsequently, we compared the output results of the characteristic analysis with a 3D finite element method and experimental results under loading.

Keywords: semi-3D techniques; end effect; permanent magnet synchronous generator; PM overhang (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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