Sensorless Direct Torque Control of Induction Motor Fed by Indirect Space Vector Pulse Width Modulated Matrix Converter

Provided by: International Journal of Engineering Trends and Technology
Topic: Hardware
Format: PDF
Matrix converter is a topology of direct conversion from fixed input voltage and frequency to variable voltage and frequency. This paper presents a sensorless direct torque and flux controlled induction motor fed by indirect SVPWM matrix converter. Control of stator flux and torque is achieved by using PI controller. The closed loop speed control action is achieved by PID controller which is later replaced by fuzzy PID controller. The output voltage is controlled with the help of indirect SVPWM which are fed as firing pulses to switches.

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