Abstract
This document addresses an exhaustive standalone Photovoltaic (PV) energy harvesting system considering two crucial issues: system efficiency and cost effectiveness. It contributes a compact resolution with a combined feature of Dual Mode-Multiple Output (DMMO) associated with input ripple reduction technique. Control strategy incorporates with aspect of Maximum Power Point Tracking (MPPT) and output voltage levels regulation. A theoretical analysis is conducted to evaluate the effect of ripple current on PV power. Proposed dual mode converter achieves efficiency of 98.36% and 97.76% respectively for mode-1 and mode-2 operation. However, simulation is performed applying MATLAB/SIMULINK tools to analyze the feasibility of the recommended system.
Highlights
Along with the decreasing storage of the fossil fuels and rising environmental concerns, the sustainable energy sources, such as the photovoltaic (PV), fuel cells, and wind energy are taken as the promising appellants for future energy supply
Control strategy incorporates with aspect of Maximum Power Point Tracking (MPPT) and output voltage levels regulation
Schematic of the proposed Dual ModeMultiple Output (DMMO) SEPIC converter is shown in Figure 4 and each part of the system is discussed in subsections
Summary
Along with the decreasing storage of the fossil fuels and rising environmental concerns, the sustainable energy sources, such as the photovoltaic (PV), fuel cells, and wind energy are taken as the promising appellants for future energy supply. High frequency applications spontaneously develop current ripples in switching power converters, which may cause momentous impact on the output power [11] [12]. This ripple current influences filtering problems, control issues, output voltage noise, and other hurdles. Multilevel converter facilitates the use of renewable energy sources and attains high power ratings, as well as accommodates multiple users. For short distance, Low Voltage Direct Current (LVDC) is a promising solution [18], which facilitates large power shifting capacity with low voltage and improvements to reliability and power quality. Comprehensive system is accompanied by Dual Mode-Multiple Output (DMMO) properties and control strategy to realize flexible power flow and high power capability
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