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This study deals with a buck-boost converter controlled solar photovoltaic array fed water pumping in order to achieve the maximum efficiency of an SPV array and the soft starting of a permanent magnet brushless DC (BLDC) motor. The current sensors normally used for speed control of BLDC motor are completely eliminated. The speed of BLDC motor is controlled through the variable DC-link voltage of a voltage-source inverter (VSI). This project deals with the operation of the interleaved DC-DC converter in solar PV array fed water pumping system as an intermediate DC-DC converter between the solar PV array and soft starting of BLDC motor. The intermediate converter with semiconductor switches has the features of reducing ripple current in its output and provide endless region for maximum power tracking (MPPT). In this project, Brushless DC motor speed has been controlled using the Lion Optimization technique to tune the parameters of PI controller. The system is supplied from a Solar PV Array along with the MPPT technique to fetch its maximum efficiency from the solar array.
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IL MIO NOME È JYOSTNA E LAVORO COME ASSISTENTE UNIVERSITARIO.
