Modeling of Fuzzy Logic Controller for Photovoltaic Maximum Power Point Tracker
Keywords:
Photovoltaic, fuzzy, modellingAbstract
In this paper a fuzzy logic controller for maximum power point tracker of photovoltaic (PV) energy system is introduced. This controller uses a boost converter to control the terminal voltage of PV system to work at the maximum power point. The load side consists of battery and control switches to control the power flow from the PV system to the battery and the load. The system is modeled using Matlab/Simulink program. The output power from the PV system with the use of fuzzy controller is compared with the theoretical maximum power from the same system and the power output using the best constant output voltage. The fuzzy controller shows stable operation for different data introduced to the system. It also restrains any overshooting in input or output systems and increases the quantum of energy captured considerably.
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