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| Presentation | 2018-10-03 11:45 Improvement of Efficiency in High Frequency Using Soft Switching MVAC Converter Daiki Nagashima, Masahito Shoyama (Kyushu Univ.), Mitsuru Sato, Shingo Nagaoka (OMRON Corp.)  EE2018-20 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the power conversion circuit has been used in a wide range of applications, and further miniaturization and high efficiency of the circuit are demanded.A method for downsizing the switching power supply is to increase the switching frequency However, since the switching loss increases in proportion to the frequency, it causes a decrease in the power conversion efficiency. Therefore, for the purpose of preventing increase of the switching loss while increasing the frequency, the soft switching DC - In this research, we developed a simple boosting circuit that performs hard switching and a Minimum-Voltage Active-Voltage control circuit that performs soft switching using a DC-DC converter, Minimum-Voltage Active-Clamping DC-DC Converter. Perform comparison of the efficiency of the clamping DC-DC converter in the actual machine at 100 kHz to 300 kHz, and the efficiency improvement effect by the soft switching effect Experiments were also conducted on the effect of reducing the turn-off loss when adding a snubber capacitor between the drain and the source for the purpose of further increasing the efficiency of the MVAC circuit. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Soft Switching / ZVS / High Frequency / Boost DC-DC Converter / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 226, EE2018-20, pp. 11-16, Oct. 2018. | |
| Paper # | EE2018-20 | |
| Date of Issue | 2018-09-26 (EE) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EE2018-20 |
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| Conference Information | |
| Committee | WPT EE |
| Conference Date | 2018-10-03 - 2018-10-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto Univ. Uji Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Power conversion, Wireless power transfer, others |
| Paper Information | |
| Registration To | EE |
| Conference Code | 2018-10-WPT-EE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improvement of Efficiency in High Frequency Using Soft Switching MVAC Converter |
| Sub Title (in English) | |
| Keyword(1) | Soft Switching |
| Keyword(2) | ZVS |
| Keyword(3) | High Frequency |
| Keyword(4) | Boost DC-DC Converter |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Daiki Nagashima |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Masahito Shoyama |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Mitsuru Sato |
| 3rd Author's Affiliation | OMRON Corporation (OMRON Corp.) |
| 4th Author's Name | Shingo Nagaoka |
| 4th Author's Affiliation | OMRON Corporation (OMRON Corp.) |
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| Speaker | Author-1 |
| Date Time | 2018-10-03 11:45:00 |
| Presentation Time | 20 minutes |
| Registration for | EE |
| Paper # | EE2018-20 |
| Volume (vol) | vol.118 |
| Number (no) | no.226 |
| Page | pp.11-16 |
| #Pages | 6 |
| Date of Issue | 2018-09-26 (EE) |
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