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| Presentation | 2016-11-28 11:30 Proposal and Operation Analysis for PWM Converters Integrating PV Equalizer for Small Space Probes Toshiki Shinohara, Masatoshi Uno (Ibaraki Univ.), Akio Kukita (JAXA)  EE2016-32 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Partial shading often appears on photovoltaic (PV) strings installed in small space probes representing moon exploration rovers due to their body structures, reducing the power extracted from the PV strings. Such partial shading issues can be precluded by voltage equalizers. However, in addition to a main dc-dc converter, a voltage equalizer is required, increasing the system complexity and cost. In this paper, several kinds of integrated converters that can reduce the system complexity thanks to the integration are proposed and are quantitatively compared from the viewpoint of switch count, magnetic component count, and voltage conversion ratio. Based on the comparison and consideration from the perspectives of reliability, circuit volume, and voltage conversion requirement, the single-switch single-magnetic integrated converter was selected as the best suitable topology for exploration rovers. The experimental tests for the integrated converter chosen for rovers were performed emulating a partial-shading condition. The extracted power of the PV modules was improved as high as approximately 13% by the voltage equalization, demonstrating the efficacy of the proposed integrated converter. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Exploration Rover / Integrated Converter / Photovoltaic Module / Planetary Probe / Voltage Equalization / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 329, EE2016-32, pp. 11-16, Nov. 2016. | |
| Paper # | EE2016-32 | |
| Date of Issue | 2016-11-21 (EE) | |
| ISSN | Print edition: ISSN 0913-5685 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 | EE2016-32 |
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| Conference Information | |
| Committee | EE |
| Conference Date | 2016-11-28 - 2016-11-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EE |
| Conference Code | 2016-11-EE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal and Operation Analysis for PWM Converters Integrating PV Equalizer for Small Space Probes |
| Sub Title (in English) | |
| Keyword(1) | Exploration Rover |
| Keyword(2) | Integrated Converter |
| Keyword(3) | Photovoltaic Module |
| Keyword(4) | Planetary Probe |
| Keyword(5) | Voltage Equalization |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshiki Shinohara |
| 1st Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 2nd Author's Name | Masatoshi Uno |
| 2nd Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 3rd Author's Name | Akio Kukita |
| 3rd Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
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| Speaker | Author-1 |
| Date Time | 2016-11-28 11:30:00 |
| Presentation Time | 30 minutes |
| Registration for | EE |
| Paper # | EE2016-32 |
| Volume (vol) | vol.116 |
| Number (no) | no.329 |
| Page | pp.11-16 |
| #Pages | 6 |
| Date of Issue | 2016-11-21 (EE) |
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