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A Three Input DC-DC Converter for Hybrid Energy Application

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Document pages: 8 pages

Abstract: Power electronic converters are so crucial in the integration of different energy sources in the concept of Hybrid Energy System (HES). A three input DC-DC converter with buck-boost operating capability is introduced in this paper. The converter is capable of integrating energy sources which have different V-I characteristics. The output equation of the DIDC converter is derived from different working states using voltage - second principle. Also, the converter which has been presented in this paper can incorporate a single source or multiple sources with a small modification in the converter structure. This converter topology is designed and simulated in MATLAB SIMULINK platform. Three input sources with different voltage levels such as 30 V, 20 V and 10 V are used for the performance evaluation of the converter. A small scale experimental setup has been developed to check the performance evaluation of the converter in real time condition and the results are incorporated. Also the efficiency profile of the converter under various loading condition has been analyzed which clearly shows that the presented converter has a good efficiency level.

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