Abstract
This study proposes a solar photovoltaic (SPV) water pumping system integrated with the single phase distribution system by utilising induction motor drive (IMD) with an intelligent power sharing concept. In addition to the power exchange from SPV to the IMD, a DC-DC boost converter is utilised as a power factor correction unit and a grid interfacing device. For good utilisation of SPV array, it is necessary to extract maximum power from the SPV array. To meet this objective, an incremental conductance based maximum power point tracking control is implemented. Whereas, to control the IMD tied to voltage source inverter, a simple voltage/frequency control technique is used. The proposed topology is designed and tested in the laboratory under standalone, grid interfaced and in mixed mode under various operating conditions.
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