| Presentation | 2003/7/11 Electromagnetic and Thermal Coupled Analysis of Ferrite Orthogonal Core for Switching Power Supplies Kenji NAKAMURA, Hirokazu YOSIDA, Osamu ICHINOKURA, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | An orthogonal core can continuously control a net inductance of winding. Recently the orthogonal core variable inductor has been applied to a high-frequency switching power supply. An optimum design method of the variable inductor for high-frequency applications is therefore necessary. We previously proposed an analysis method based on Reluctance Network Analysis (RNA) for a silicon steel orthogonal core used in the commercial frequency region. In order to use the orthogonal core in the high-frequency region, we must consider a temperature rise of cores due to copper and iron losses. In this paper, we calculate the iron losses in a ferrite orthogonal core variable inductor for switching power supplies based on RNA, and estimate a core temperature on the basis of a thermal equivalent circuit. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Orthogonal core / Variable inductor / Reluctance Network Analysis (RNA) / Thermal analysis / Coupled analysis |
| Paper # | EE2003-28 |
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| Conference Information | |
| Committee | EE |
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| Conference Date | 2003/7/11(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Chair | |
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| Paper Information | |
| Registration To | Energy Engineering in Electronics and Communications (EE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Electromagnetic and Thermal Coupled Analysis of Ferrite Orthogonal Core for Switching Power Supplies |
| Sub Title (in English) | |
| Keyword(1) | Orthogonal core |
| Keyword(2) | Variable inductor |
| Keyword(3) | Reluctance Network Analysis (RNA) |
| Keyword(4) | Thermal analysis |
| Keyword(5) | Coupled analysis |
| 1st Author's Name | Kenji NAKAMURA |
| 1st Author's Affiliation | Graduate school of Engineering, Tohoku University() |
| 2nd Author's Name | Hirokazu YOSIDA |
| 2nd Author's Affiliation | Graduate school of Engineering, Tohoku University |
| 3rd Author's Name | Osamu ICHINOKURA |
| 3rd Author's Affiliation | Graduate school of Engineering, Tohoku University |
| Date | 2003/7/11 |
| Paper # | EE2003-28 |
| Volume (vol) | vol.103 |
| Number (no) | 200 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |