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http://dx.doi.org/10.5207/JIEIE.2003.17.5.036

A Study of Interface between Photovoltaic System and Utility Line using a Current-Source PWM Inverter based on Buck-boost topology  

주성용 (부산대학교 전기공학과)
양근령 (세방하이테크(주) 기술연구소)
강필순 (부산대학교 대학원 전기공학과)
김철우 (부산대학교 전자전기통신공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.5, 2003 , pp. 36-42 More about this Journal
Abstract
This paper presents a new current-source PWM inverter based on Buck-boost configuration to interface between photovoltaic system and utility line. Proposed inverter is consisted by two set of buck-boost topology, and the input inductor is designed to be operated on the discontinuous current conduction mode. So high power factor can be achieved without additional input CtUTent controller. As a result, overall system has simple structure, and it can obtain higher ac output rms voltage than the terminal voltage of the photovoltaic system without additional boosting procedure. The operational modes are theoretically analyzed, and then the validity of the proposed system was verified through simulation and experimental results using a prototype.
Keywords
Current-Source PWM inverter; Buck-Boost topology;
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