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변압기 없는 고승압 직류 컨버터용 대칭형 Cockcroft-Walton 회로

Title
변압기 없는 고승압 직류 컨버터용 대칭형 Cockcroft-Walton 회로
Other Titles
Symmetrical Cockcroft-Walton circuit for Transformerless High Step-Up DC-DC Converter
Author
고광철
Keywords
Cockcroft-Walton; Voltage Multiplier; High Step-up DC-DC Converter; Renewable Energy
Issue Date
2015-08
Publisher
한국조명.전기설비학회
Citation
조명.전기설비학회논문지, v. 29, NO 8, Page. 70-75
Abstract
High Step-up DC-DC Converters have been demanded for renewable energy applications. Transformer or coupled inductor is generally used to boost output voltage of converters. This methods can relatively obtain high voltage than others, whereas have heavy weight and high cost. To complement these disadvantages, we studied transformerless high step-up DC-DC converter. In various transformerless topologies, Boost converters combined with Cockcroft-Walton have studied. In this paper, we proposed a symmetrical Cockcroft-Walton circuit for transformerless high step-up DC-DC converter. Finally, we simulated proposed converter to compare with existing converter. As a result, proposed converter has higher duty ratio or lower cost than existing transformerless converters which are discussed in this paper.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE06404505http://hdl.handle.net/20.500.11754/27008
ISSN
1229-4691; 2287-5034
DOI
10.5207/JIEIE.2015.29.8.070
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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