Renewable Energy based Water Pumping System Employing Sensorless control of BLDC Motor

SEEE DIGIBOOK ON ENGINEERING & TECHNOLOGY, VOL. 01, FEB 2018 PP.(128-133)
Abstract– This paper proposes a simple, cost-effective, and efficient renewable energy based water pumping system. A zeta converter is utilized as a DC-DC converter which extracts maximum power coming out from solar PV array. The soft starting of BLDC motor can be achieved by the control of zeta converter by incremental conductance maximum power point tracking (INC-MPPT). Sliding mode controller is employed to provide an accurate maximum power point tracking of photovoltaic systems using single control stage. Sensorless control of BLDC motor is employed for high efficiency and high reliability operation. Adaptive commutation error compensation strategy for the sensor less brushless DC (BLDC) motor is employed based on the flux linkage function. The results of the proposed system through simulation results are shown using MATLAB/Simulink software
Index Terms – Brushless dc (BLDC) motor, incremental conductance maximum power point tracking (INC-MPPT), Sliding Mode Controller (SMC), solar photovoltaic (SPV) array, voltage-source inverter (VSI), zeta converter.
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RIZWAN ZAMAN.H, Dr.K.RANJITH KUMAR
Government college of Technology,
Coimbatore, India
rizwan.zaman1@gmail.com,
ranjith@gct.ac.in

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