변압기 없는 고승압 직류 컨버터용 대칭형 Cockcroft-Walton 회로open accessSymmetrical Cockcroft-Walton circuit for Transformerless High Step-Up DC-DC Converter
- Other Titles
- Symmetrical Cockcroft-Walton circuit for Transformerless High Step-Up DC-DC Converter
- Authors
- 차대중; 백지은; 고광철
- Issue Date
- Aug-2015
- Publisher
- 한국조명.전기설비학회
- Keywords
- Cockcroft-Walton; Voltage Multiplier; High Step-up DC-DC Converter; Renewable Energy
- Citation
- 조명.전기설비학회논문지, v.29, no.8, pp.70 - 75
- Indexed
- KCI
- Journal Title
- 조명.전기설비학회논문지
- Volume
- 29
- Number
- 8
- Start Page
- 70
- End Page
- 75
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143186
- DOI
- 10.5207/JIEIE.2015.29.8.070
- ISSN
- 1229-4691
- 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.
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