Design, control and performance analysis of a standalone solar–PV energy generating system
This paper presents the design, control and performance of a low power standalone solar–photovoltaic (PV) energy generating system. The system includes a maximum power point tracking (MPPT) controller along with a full bridge DC–DC converter, an energy storage system and a voltage source inverter (VSI). The detailed design and modelling of the system components are given with incremental conductance (IC) approach as a MPPT method. A cascaded controller of the VSI is designed to regulate output voltage and current under varying loads. The performance of the system is presented under varying radiations and different consumer loads.
Keywords: solar–PV energy generating systems, full bridge DC–DC converters, closed loop control, MPPT control, solar energy, solar power, photovoltaics, low power energy generation, maximum power point tracking, energy storage systems, voltage source inverter, VSI, incremental conductance, cascaded controllers
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