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Paper Abstract and Keywords
Presentation 2018-03-16 13:50
High frequency decoupling for reduction of common-mode current of three-phase inverter
Shiki Fujii (Kyoto Univ.), Tohlu Matsushima (Kyutech), Takashi Hisakado, Osami Wada (Kyoto Univ.) EMCJ2017-111
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, electric vehicles have been developed rapidly, and three-phase inverters are also used in its motor drive circuits. In the three-phase inverter, common-mode current is generated and causes radiation of the electromagnetic field. However, a bypass capacitor to reduce the common-mode current was not used because it increased the transition time of MOSFET. In this research, the authors propose a design method of reduction of common mode current flowing on the cable to the motor. Using this method, we calculate reduction effect quantitatively. As a result of implementation of the proposed reduction design to a power conversion equipment, the common mode current reduces about 10 dB while suppressing the increase in the transition time of the MOSFET to 10 % or less by putting the bypass capacitor.
Keyword (in Japanese) (See Japanese page) 
(in English) Reduction of common-mode current / three-phase inverter / high frequency decoupling / transition time of MOSFET / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 510, EMCJ2017-111, pp. 37-42, March 2018.
Paper # EMCJ2017-111 
Date of Issue 2018-03-09 (EMCJ) 
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 EMCJ2017-111

Conference Information
Committee EMCJ MICT  
Conference Date 2018-03-16 - 2018-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2018-03-EMCJ-MICT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High frequency decoupling for reduction of common-mode current of three-phase inverter 
Sub Title (in English)  
Keyword(1) Reduction of common-mode current  
Keyword(2) three-phase inverter  
Keyword(3) high frequency decoupling  
Keyword(4) transition time of MOSFET  
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1st Author's Name Shiki Fujii  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Tohlu Matsushima  
2nd Author's Affiliation Kyushu institute of technology (Kyutech)
3rd Author's Name Takashi Hisakado  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Osami Wada  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2018-03-16 13:50:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2017-111 
Volume (vol) vol.117 
Number (no) no.510 
Page pp.37-42 
#Pages 6 
Date of Issue 2018-03-09 (EMCJ) 

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