2011 Fiscal Year Final Research Report
Noise Reduction of Reactor Driven by Inverter Power Supply Using Coupled Magnetic, Vibration and Acoustic Analysis
| Project/Area Number |
21560305
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Power engineering/Power conversion/Electric machinery
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| Research Institution | Saga University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
GAO Yanhui 佐賀大学, 大学院・工学系研究科, 助教 (40586286)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 電気機器工学 / シミュレーション工学 / リアクトル / 騒音 / 磁界解析 / 構造解析 / 積層鉄芯 / 磁気歪 / 電磁力 |
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| Research Abstract |
To investigate the noise reduction of reactors driven by inverter power supplies, the method of the coupled magnetic and vibration analyses taking account of both electromagnetism and magnetostriction was developed, and the mechanism of noise generation was analyzed and verified by the measurement. Moreover, the methods of determining the optimal hardness of gaps and adding gaps in the yokes without changing the balance and reluctance of a three-phase reactor were also proposed. It was shown that the displacements of the improved reactor can be reduced to be 1/ 25 of the ordinary reactor in the 3-D analyses.
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