ELECTRICAL DRIVES FOR AUTOMATION
Learning outcomes of the course unit
The course provides the basic knowledge required for the usage and the design of the most common electrical drives.
Course contents summary
Electromechanical energy conversion; DC and AC (brushless, induction) motor drives; digital control.
Electromechanical energy conversion. Electric Drives classification and characteristics.
The main components of electric drives: analog and digital PID regulators, design of analog PID using Operational amplifiers. Speed and position transducers: brushless tachometer, resolver, incremental and absolute encoders, hall effect current transducers.
Design of Electric Drives based on DC motors. Operation and control of DC motors.
Design of Electric Drives based on Permanent Magnet Synchronous Motors (PMSM). Dynamic behaviour of PMSM. Design of motor control (torque control) and drive control (speed and position control).
Design of Electric Drives based on induction motors. Dynamic behaviour of induction motors. Flux observers and flux control. Design of motor control (torque control) and drive control (speed and position control). Field Oriented Control of induction motors. Voltage Source Inverter (VSI) and Current Controlled Voltage Source Inverter (CCVSI): Space Vector Modulation.
Assessment methods and criteria