전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제17권6호
  • /
  • Pages.471-477
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  • 2012
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Cascaded Buck-Boost 컨버터를 이용한 태양광 모듈 집적형 저전압 배터리 충전 장치 개발

Development of PV Module Integrated Type Low Voltage Battery Charger using Cascaded Buck-Boost Converter

  • Kim, Dong-Hee (College of Information and Communication Eng., Sungkyunkwan Univ.) ;
  • Lee, Hee-Seo (College of Information and Communication Eng., Sungkyunkwan Univ.) ;
  • Lee, Young-Dal (College of Information and Communication Eng., Sungkyunkwan Univ.) ;
  • Lee, Eun-Ju (College of Information and Communication Eng., Sungkyunkwan Univ.) ;
  • Lee, Tae-Won (PIA TF, Samsung Electro-Mechanics Co., Ltd.) ;
  • Lee, Byoung-Kuk (College of Information and Communication Eng., Sungkyunkwan Univ.)
  • 투고 : 2012.08.20
  • 심사 : 2012.09.13
  • 발행 : 2012.12.20
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초록

In this paper, in order to use module integrated converter using cascaded buck-boost converter for a low battery charger in stand-alone system, a charging algorithm which considers photovoltaic and battery status and PWM controllers which are changed according to charging modes are proposed. The proposed algorithm consists of constant current mode, constant voltage mode and maximum power point tracking mode which enables the battery to charge with maximum power rate. This paper also presents design of cascaded buck-boost converter that is the photovoltaic charger system. A 150W prototype system is built according to verify proposed the charger system and the algorithm.

키워드

참고문헌

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