A Highly Efficient PV and Fuel Cell Powered Full Bridge Bidirectional LLC Resonant Converter

Abstract

With development in the field of research, there is a need of improvement in present equipments. This paper is about improving the efficiency of DC-DC converter that will be operated with renewable sources like PV panel, fuel cell, etc. In the proposed model, a full bridge LLC converter has been developed for bidirectional operation. A PV array is connected to LLC converter which may be inverted using an inverter in Simulink. The low efficiency of PV array, Fuel Cell due to their non-linear characteristics have been improved by using MPPT controller which feeds the reference voltage in the converter's voltage regulator. The regulated DC voltage from LLC converter can be used with an inverter to provide a portable AC voltage source for electrical equipment.