Abstract
In this paper a non-isolated dc-dc boost converter is described having high voltage gain ability. The proposed high gain boost converter, unlike the conventional boost converter offers high voltage conversion at low duty ratio, thus have high comparative efficiency. The proposed dc-dc boost converter is based on the voltage lift (VL) technique, in which input voltage is boosted in step-by-step manner. A detailed analysis of proposed boost dc-dc converter for non-ideal model is presented. The performance of proposed converter is compared with the conventional boost converter in term of different parameters, viz. number of elements, voltage gain ratio, and switch stress. The proposed dc-dc converter has advantages over conventional one and is suitable for renewable energy resources (RES) applications, especially solar and wind energy. The results obtained both for proposed and conventional converters in MATLAB®/Simulink environment is validated through the lab scaled developed prototype.
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