Indian Journal of Science and Technology
Year: 2016, Volume: 9, Issue: 17, Pages: 1-6
School of Electronic and Electrical Engineering, Daegu-University, Gyeongsan, S. Korea; [email protected]
*Author of Corresponding: Jae-Jung Yun School of Electronic and Electrical Engineering, Daegu-University, Gyeongsan, S. Korea; [email protected]
This paper presents the new boost dc/dc converter which has a high voltage conversion gain for the renewable energy source. To get a high voltage conversion gain, the proposed converter consists of the new two stage cascaded structure and has two voltage conversion processes. Due to the new structure and voltage conversion process, it has the higher output voltage conversion gain at the same duty ratio cycle than the conventional boost converter. To verify the performance and effectiveness of the proposed circuit was analyzed and tested by the PSIM simulator. The calculated power efficiency of the proposed circuit was 90.5% and the proposed circuit had the 3.5 times higher conversion ratio at the half duty cycle than the conventional dc/dc boost converter. Therefore, the superior voltage conversion ability of the proposed circuit is proved from the simulation results.
Keywords: Boost Converter, Cascaded Structure, High Voltage Gain
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