This paper presents a new approach of Adaptive Search Control Method to perform maximum power point tracking (MPPT) in solar panels (SP). The suggested approach adapts the operation point (current I and voltage V) of the solar panel so quickly that it tracks MPP under the harshest environmental conditions by incorporating a flexible switching in a Boost dc/dc converter, which connects the photovoltaic (PV) panel to the load. The usage of a flexible switching control increases the dynamic response of MPPT and the efficiency of tracking. A dedicated simulink (matlab) model was developed for validation of the proposed MPPT method which was verified through multiple simulation conditions. Based on these results, the prototype system for evaluating the suggested method was developed and assembled. This prototype was developed on the base of a photonic integrated circuit (PIC) family microcontroller unit with an external circuit for accurate voltage and current measurements. The technical characteristics of the developed system (efficiency and tracking speed) have been verified experimentally with a 100 W c-Si solar panel under various environmental conditions. The results of measured and estimated MPPT efficiency were represented.

Issue Section:
Research Papers
Keywords:
photovoltaic, solar panel, maximum power point tracking, adaptive switching, relay (on–off) control systems
Topics:
Algorithms, Circuits, Dynamic response, Solar energy

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