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Design and Implementation of an Integrated Boost Resonant Converter for Photovoltaic Applications

HinduBharathi P, G Arun Sankar

This paper presents design and implementation of an Integrated Boost Resonant Converter (IBR) incorporated with Hybrid Frequency Modulation for photovoltaic applications. The designed Integrated Boost Resonant Converter employs a unique modulation method for extending the input range of Pulse-Width Modulation, low component count, galvanic isolation, simple control and high efficiency across a wide input and load range. The modulation technique includes primarily the hybridizing of constant-on, constant-off, and fixed-frequency control depending only on the required duty cycle. Effective Photovoltaic power conditioning requires efficient power conversion and accurate power point tracking to counteract the effects of panel mismatch, shading and general variance in power output during a daily cycle.