Photovoltaic battery storage system for maximum power point tracking using hybrid firefly and perturbation and observation algorithm

L. Navinkumar Rao, Rahul Somalwar, H. S. Dalvi, Satyavir Singh, P. S. Subudhi

Abstract


This paper presents the novel maximum power point tracking (MPPT) approach for a small 50 W photovoltaic (PV) based battery storage system using the DC-DC converter. The method of modeling of PV module is discussed. The firefly (FFY) algorithm along with the perturbation and observation (P&O) algorithm are combined together to implement MPPT of the PV battery storage system. The operating principle is discussed in detail and steady-state analysis of the proposed system is implemented through simulation. The charging profile of the battery is also studied. Furthermore, a low-cost microcontroller-based experimental setup rated at 50 W battery storage systems was built to implement a hybrid FFY-P&O algorithm. The experimental results are in line with the simulation result. It showed the fast and excellent maximum power point operation due to rapid as compared to conventional P&O method.

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