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Design and Simulation of Boost Converter with Ripple Reduction

M. Bhuvaneswari, K. Dhayalini

Abstract


Developing a clean, high efficiency is an alternative energy power system has become an urgent matter. In future fuel cells and photovoltaic solar cells are considered to be an alternative energy sources . However, both fuel cell and solar cell produce wide-range low DC output voltage and cannot directly support AC or DC electrical appliances. In order to satisfy the need a new rectifier circuit, i.e. boost converter with ripple reduction is developed. BCRR features are low voltage stress on the rectifier diodes and lower input and output-current ripples with minimum component count, high conversion ratio with smaller transformer turns ratio, recovery of transformer secondary leakage energy. Therefore, high efficiency and power density can be achieved under high-frequency operation. Moreover, the new rectifier circuit can be applied to all current-fed power topologies for high-voltage conversion applications such as fuel-cell-powered systems. The principle, theoretical analysis, and design considerations are presented. To demonstrate its feasibility, a 50-kHz, 10-22 V-input and 200-V-output converter is implemented and the boost converter with ripple reduction is carried by performing simulation and verified with the hardware setup.

Keywords


BCRR, Boost Converter, CF-CT, Ripple Reduction, Voltage Clamped Diodes

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References


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