Development of Vector Magnetic Characteristic Control Technology
| Project/Area Number |
15K13931
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Power engineering/Power conversion/Electric machinery
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| Research Institution | Nippon Bunri University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
甲斐 祐一郎 鹿児島大学, 理工学域工学系, 准教授 (50595436)
佐藤 尊 大分大学, 理工学部, 助教 (90647554)
若林 大輔 日本文理大学, 工学部, 助教 (60748747)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | ベクトル磁気特性 / 制御 / 損失 / 磁区超微細分化 / 磁気ひずみ / 鉄損 / 磁気歪み / 電機機器 / 応力 / 発電機 / 高効率 / 電気機器 |
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| Outline of Final Research Achievements |
Grain oriented electrical steel sheet has strong uniaxial anisotropy by grain orientation. However it increases the rotational loss in T-joint corner parts of three-phase transformer core. Furthermore the anomalous eddy current loss is large due to the effect of large grain and large magnetic domain size. We developed the new grain-oriented electrical steel sheet with low rotational power loss by hyperfine processing magnetic domain. According to this hyperfine processing effect of magnetic domain, it was possible the rotational power losses were made to decrease to over 40%. And the iron loss of arbitrary direction decrease, also. The size of magnetic domain by hyperfine processing is within 0.25mm × 0.25mm.
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Report
(4 results)
Research Products
(234 results)
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[Journal Article] ベクトルB-Hテスター,2016
Author(s)
上野尚平,榎園正人,井上晋一,電気学会研究会資料,マグネティックス研究会,(査読無)MAG-16-85,pp.19-22,2016.8.
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Journal Title
電気学会研究会資料,マグネティックス研究会
Volume: MAG-16-085
Pages: 19-22
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[Presentation] Non－destructive Evaluation of Materials by Magnetic Measurements2015
Author(s)
Yuji Tsuchida, Masato Enokizono
Organizer
Ninth Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Super-conducting, Multifunctional and Nanomaterials。（JAPMED'９）
Place of Presentation
Sofia, Bulgaria Technical University of Sofia （ブルガリア）
Year and Date
2015-07-05
Related Report
Int'l Joint Research
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[Book] 磁気便覧2016
Author(s)
日本磁気学会編 共著
Total Pages
888
Publisher
丸善出版株式会社
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