The Optimal Operational Circumstances of PV and Wind Energy Sources by Different Application Examples

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Supervisor:
Dr. Kiss Péter
Department of Electric Power Engineering

In the thesis the operation principles of photovoltaic and wind energy sources are being presented, starting with the physical basics through specific measurable and derived quantities to grid-level implementation.

The operation of these energy generators are strongly influenced by the weather and other ambient conditions. The continuous and often unpredictable power changes require the application of an effective maximum power point tracker control. Besides the description of the logic and operation of these MPPT algorithms, we confirm the legitimacy of their application with simulated or measured results, over and above we compare the effectiveness of the different algorithms based on their main characteristics.

The use of the described generators and control devices can be widely varied, as jointly integrated into a hybrid system by using different additional generators and energy storage systems, or even as an individual energy source. In the thesis three electrical system model are being presented- a standalone wind power system , a hybrid system with wind and photovoltaic energy source and fuel cell as the power supply of local load and central distribution system, and a grid connected PV energy source- its detailed structure, operation principle and its regulation. Also the main characteristics of energy production and the operation of the system will be examined based on measurement and simulation results.

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