Abstract
Threatening environmental effects have forced the community to utilize green and clean alternative options for the generation of electric power. As a matter of fact, solar energy is a critical source of energy; so the demand for creative research is its peak. However, performing real time experiments on solar PV systems is limited by cost, manufacturing, weather constraints and requirement of large space. Thus an equivalent solar energy photo voltaic (PV) system is required for experimental verification and analysis based on precise simulations. In this research work a PV emulator system based on a buck converter is realized. The main objective of PV Emulator is to replicate the characteristic curves (I-V, P-V) of the real solar panel. In order to compensate the variations in both the load and the parameters of power stage, a robust control system is required. A fractional order sliding mode control scheme (FOSMC) has been designed and investigated in this research work. Results have proved the superior performance of the FOSMC as compared to other classical sliding mode control method. The FOSMC controller and PV emulator are implemented using rapid prototyping technique.
Highlights
And growing needs for more and clean power sources have forced the community to utilize green and clean alternative options for the future power generation
Knowing about the fact that solar energy is a significant source of energy,the demand for the novel research work plays an important role in attaining the exceptional capacity in generation, integration and utilization of solar power [3]
To achieve this objective, performing real time experiments on solar photo voltaic (PV) systems is limited by various factors such as cost of manufacturing, different weather conditions and requirement of large space
Summary
And growing needs for more and clean power sources have forced the community to utilize green and clean alternative options for the future power generation. Knowing about the fact that solar energy is a significant source of energy,the demand for the novel research work plays an important role in attaining the exceptional capacity in generation, integration and utilization of solar power [3] To achieve this objective, performing real time experiments on solar PV systems is limited by various factors such as cost of manufacturing, different weather conditions and requirement of large space. Hardware in the loop PV emulator systems based on power converters have been proposed, being accurate in terms of reliability, efficiency and robustness They exhibit the ability of MPPT performance testing [11]–[13]. Based on the above literature survey, this article proposes a fractional order robust control method for the PV emulator system.
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