書誌事項
- タイトル別名
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- Surface Charge Analysis in Eddy Current Problems
- ウズデンリュウバ モンダイ ニ オケル ドウタイ ヒョウメン デンカ カイセキ ノ キソテキ ケントウ
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To estimate characteristics of electric machines that have conductors with complex form, it is effective to analyze the surface charge concerned with eddy current phenomena. However, the eddy current field is generally treated as quasi-static field in which the displacement current is neglected and the electric field is not defined in the non-conductive region in the calculating process. Therefore, when we adopt only the A-φ FE method as a field analysis method, it is difficult to directly calculate the surface charge at the interface between conductive and non-conductive regions. In this paper, with this background, we propose a novel analysis method of the surface charge based both on the A-φ formulation of 3D edge FE method and on the integral equation. This approach enables us to precisely calculate the surface charge. Some numerical results, which demonstrate the validity of the proposed method, are also presented, e. g., the surface charge analysis of linear induction motors for evaluating the relationships among the surface charge, eddy current, and conductor shape.
収録刊行物
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- 電気学会論文誌D(産業応用部門誌)
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電気学会論文誌D(産業応用部門誌) 122 (6), 633-639, 2002
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204658257664
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- NII論文ID
- 10008509374
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- NII書誌ID
- AN10012320
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- ISSN
- 13488163
- 09136339
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- NDL書誌ID
- 6175122
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- データソース種別
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- NDL
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