Performance analysis of fuzzy based sensorless induction motor drive with Photovoltaic source

It is a need of the time to use renewable energy along with the efficient energy systems. In this paper, analysis of vector controlled induction motor drive without speed sensor is presented. For speed estimation, Model Reference Adaptive System (MRAS) scheme based on a rotor flux error is employed to obtain a close loop speed control operation. Two different controllers used in MRAS scheme for the adaptation of rotor speed are: fuzzy logic controller (FLC) and conventional fixed gain proportional-integral (PI) controller. A simple and accurate model is developed for each component of the system. System performance is analyzed for different operating conditions for induction motor drive and Photovoltaic array.