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Paper Abstract and Keywords
Presentation 2020-01-16 13:10
Current resonant soft switching converter using Cockcroft-Walton circuit
Eita Morii, Masahito Shoyama, Otuka Ryota (Kyushu Univ.) EE2019-71
Abstract (in Japanese) (See Japanese page) 
(in English) The power circuit of the X-ray irradiation device uses a high step-up ratio insulated DC-DC converter using a step-up transformer and Cockcroft-Walton (CW) circuit. In order to reduce the size and weight of this circuit, this research is working on higher switching frequency using soft switching. The resonant element has a series capacitor on the primary side of the transformer and is similar to a typical LLC current resonant converter, but this circuit has a large transformer turns ratio and stray capacitance cannot be ignored. In this paper, we consider the effect of the above-mentioned stray capacitance in a power supply circuit incorporating a CW circuit, and discuss the optimization of the circuit parameters of the CW circuit.
Keyword (in Japanese) (See Japanese page) 
(in English) Cockcroft-Walton circuit / Soft switching / PFM control / Frequency characteristic / LLC current resonant converter / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 364, EE2019-71, pp. 129-134, Jan. 2020.
Paper # EE2019-71 
Date of Issue 2020-01-08 (EE) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee EE  
Conference Date 2020-01-15 - 2020-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) HOUZAN HALL 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2020-01-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Current resonant soft switching converter using Cockcroft-Walton circuit 
Sub Title (in English)  
Keyword(1) Cockcroft-Walton circuit  
Keyword(2) Soft switching  
Keyword(3) PFM control  
Keyword(4) Frequency characteristic  
Keyword(5) LLC current resonant converter  
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1st Author's Name Eita Morii  
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 Otuka Ryota  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2020-01-16 13:10:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2019-71 
Volume (vol) vol.119 
Number (no) no.364 
Page pp.129-134 
#Pages
Date of Issue 2020-01-08 (EE) 


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