Abstract
This paper presents a grid connected photovoltaic system (PV) with a proposed high voltage conversion ratio DC-DC converter which steps up the variable low input voltages of photovoltaic module to the required DC link voltage. This voltage is applied to an H-bridge inverter which converts DC voltage into AC voltage and a low pass filter is used to filter the output. By adjusting the duty ratio of switches in DC-DC converter, the magnitude of inverter’s output voltage is controlled. The frequency and phase synchronization are ensured by a feedback signal taken from the grid. In this way, inverter is synchronized and connected with the grid to meet the energy demand. The PV system has been designed and simulated.
Highlights
The demand of electric power is on rise and is anticipated to increase exponentially in future
This paper presents a grid connected photovoltaic system (PV) with a proposed high voltage conversion ratio DC-DC converter which steps up the variable low input voltages of photovoltaic module to the required DC link voltage
This paper describes grid-connected photovoltaic system with a proposed high voltage conversion ratio DC-DC converter
Summary
The demand of electric power is on rise and is anticipated to increase exponentially in future. Among main sources of energy, thermal sources such as fossil fuels contribute to bulk amount of power generation. These fuels are expensive due to their bulky demand around the world. Their reserves are limited and running short. Their combustion generates pollutants gases which affect the environment in various forms. Due to these factors, the renewable sources of energy are getting attention and the photovoltaic systems (PV) are becoming more prominent during the last few decades. The photovoltaic module provides a low DC voltage with wide range according to various operat-
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