Abstract
Grid-tied photovoltaic systems are power-generating systems that are connected with grids. Designing of a grid integrated solar wind hybrid energy system for driving loads for improving its reliability and efficiency. This study of designing an inverter control that attains lower distortion level in the voltage as well as current waveforms. The controller should reduce the spikes at the transient loading point when the system is subjected to sudden load changes. The system is to be integrated with the fuel system also to obtain the energy efficiency. The fuel system would be connected in parallel to the DC voltage output of the solar/wind hybrid system. And Improvement in the reactive power output from the system by the inverter control by designed hybrid system that can compensate the reactive power requirement when required. This project should attain the hybrid solar/wind/fuel system with proposed controller to improve the output parameters. The final hybrid system with fuel cell integration was studied for the total harmonic distortion in the voltage and current waveform. The distortion level in the voltage waveform was found to be 0.39% and that in the current waveform was 1.95%. It is under the IEEE acceptable limits.
Highlights
Grid-connected photovoltaic systems are electricity generation systems connected to grids
The fuel system would be connected in parallel to the DC voltage output of the solar/wind hybrid system
It was found that the proposed approach has reduced the distortion in voltage as well as current waveform
Summary
Grid-connected photovoltaic systems are electricity generation systems connected to grids. The photovoltaic solar energy generated must be processed using an inverter connected to the grid before it can be commissioned. This inverter is located between the photovoltaic solar generator and the power grid. It can be a single unit or a collection of small inverters connected to individual photovoltaic units. Due to the lower costs of power electronic devices and advances in renewable energy technology, the energy industry is strongly encouraged to use photovoltaic solar energy and connect it to a medium or low voltage distribution network. Solar and wind energy are playing an increasingly important role and are competitive with fossil fuels in many countries
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