A New Modified MPPT Controller for Indirect Vector Controlled Induction Motor Drive with Variable Irradiance and Variable Temperature

Due to the increase in power demand and the earth natural resources are depleting day by day, renewable energy
sources have become an important alternate and solar energy is mainly used. In order to track the radiations from
the sun in an efficient manner the maximum power point tracking (MPPT) controller is used. But the existed MPPT
controllers were developed based upon the ideal characteristics of constant irradiation and temperature. To
overcome the above problem a practical data is considered for designing of MPPT controller which is based upon
variable irradiance under various temperatures. The output obtained from the MPPT is given to the boost converter
with an inverter to find the performance of an indirect vector controlled induction motor drive under different
operating conditions. For inverter control, a SVM algorithm in which the calculation of switching times
proportional to the instantaneous values of the reference phase voltage. It eliminates the calculation of sector and
angle information. The torque ripple and the performance of induction motor drive with ideal and practical data
MPPT controllers are compared under different operating conditions. An experimental validation is carried out
and the comparison is made with the simulation results.