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Paper Abstract and Keywords
Presentation 2019-10-24 09:25
Study for Common-Mode Noise Suppression by Balance Matching on Isolated Resonant Converters
Taiki Nishimoto, Naoki Sawada, Noriaki Takeda, Masahiro Yamaoka, Toru Yamada (Panasonic) EMCJ2019-36 MW2019-65 EST2019-44
Abstract (in Japanese) (See Japanese page) 
(in English) This report presents a novel circuit design method for suppressing common-mode noise in isolated resonant converters. Comparing the converter’s structure to a balance-mismatched connection of transmission lines, a common-mode equivalent circuit is derived to analyze the mechanism of common-mode noise occurrence. And then, a balance-matched converter circuit to achieve a lower common-mode current is proposed. It is revealed that common-mode current can be suppressed by balance matching between the primary and secondary circuits of the converter. Applying the proposed method to the LLC converter in which the primary circuit is half-bridge and the secondary one is full-bridge, balance mismatch can be corrected by connecting the primary negative terminal and the transformer’s center tap of secondary side via a capacitor. The effectiveness of the proposed method is confirmed by a circuit simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) LLC Converter / Balance Matching / EMC / Common-Mode Noise / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 241, EMCJ2019-36, pp. 1-6, Oct. 2019.
Paper # EMCJ2019-36 
Date of Issue 2019-10-17 (EMCJ, MW, EST) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMCJ2019-36 MW2019-65 EST2019-44

Conference Information
Committee EMCJ MW EST IEE-EMC  
Conference Date 2019-10-24 - 2019-10-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC, Microwave, Electromagnetic field simulation. 
Paper Information
Registration To EMCJ 
Conference Code 2019-10-EMCJ-MW-EST-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study for Common-Mode Noise Suppression by Balance Matching on Isolated Resonant Converters 
Sub Title (in English)  
Keyword(1) LLC Converter  
Keyword(2) Balance Matching  
Keyword(3) EMC  
Keyword(4) Common-Mode Noise  
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1st Author's Name Taiki Nishimoto  
1st Author's Affiliation Panasonic (Panasonic)
2nd Author's Name Naoki Sawada  
2nd Author's Affiliation Panasonic (Panasonic)
3rd Author's Name Noriaki Takeda  
3rd Author's Affiliation Panasonic (Panasonic)
4th Author's Name Masahiro Yamaoka  
4th Author's Affiliation Panasonic (Panasonic)
5th Author's Name Toru Yamada  
5th Author's Affiliation Panasonic (Panasonic)
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Speaker
Date Time 2019-10-24 09:25:00 
Presentation Time 20 
Registration for EMCJ 
Paper # IEICE-EMCJ2019-36,IEICE-MW2019-65,IEICE-EST2019-44 
Volume (vol) IEICE-119 
Number (no) no.241(EMCJ), no.242(MW), no.243(EST) 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2019-10-17,IEICE-MW-2019-10-17,IEICE-EST-2019-10-17 


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