This paper intends to develop a three phase induction
motor controller for a solar powered water pump. In many
areas, disrupted and inadequate power supply can cause
significant damage in household or industrial activities which
require water supply. Agricultural production is also hindered as
most of the irrigation process is solely based on electricity.So far,
DC motors have been used for solar application in Bangladesh
due to the simplicity of their speed and torque control.But, DC
motors arevery expensive. Additionally, regular maintenance of
the commutator and brushes is necessary. A three phase
induction motor can perform robustly in this field with the help
of an inverter. The paper focuses on the developments of a threephase
inverter to drive aninduction motor through optimal
control and design techniques, which can replace the DC motor.
A three phase induction motor was successfully run with a
prototype setup, established with 320Watt solar panel and a
three phase inverter with appropriate and low cost gate drive
circuit. The experimental results satisfied the demand as we
effectively handled a water pump using three phase induction
motor with optimal cost and efficiency.