Abstract
This paper proposes a simple solar water pumping system which is able to work efficiently even under drastically varying atmospheric conditions. The pump is driven using a brushless dc (BLDC) motor since the BLDC motor is more reliable, having high torque, high efficiency, noise less operation and have reduced size while comparing with the induction motor of same rating. A zeta converter controlled by incremental conductance maximum power point tracking (INC-MPPT) offers a better result for the proposed system over the existing water pumping system. Voltage source inverter (VSI) with 120degree commutation is used to drive the BLDC motor which offers reduced commutation losses and improves the performance of the proposed water pumping system.
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