Abstract
Renewable energy sources including photovoltaic panels, wind turbines and fuel cells widely are spreading. Among all the renewable energy sources, solar power generation system tops the list. The first choice is the boost converter when the voltage step up is the issue. But the most important subject is applying an efficient structure with high gain, cheap and quick controller circuit. Our proposed modified boost converter (MBC) is one of such converter which consists of several cheap components such as diode, inductor, capacitor and power switch, which has same switching frequency and phase shift in comparison with conventional boost converters. The voltage gain of the proposed structure is very high in comparison with conventional boost converter and by forming a preamplifier layer, for a duty cycle of 80% by adding only two diodes, one inductor, and one capacitor, voltage gain is increased by 5 times compared to the classic boost converter. The proposed method provides the increased output voltage along with duty cycle and voltage gain reaches to 10 times in comparison with classic boost structure. The projected strategy has been verified with the help of MATLAB/SIMULINK. Also, a hardware implementation of proposed MBC has been done in a laboratory scale around 100W.
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