MICRO-314: Actuators and Electromagnetic systems II

Lectures in this course (34)

Covers the basics of winding arrangements in motors and their impact on magnetic fields.

Covers the generation of pulsating and rotating fields and the equations involved.

Explains the basics of synchronous motors, including field speed, torque, and coil heads.

Explores the structure and design considerations of synchronous motors, including winding configurations and rotor designs.

Covers the expression of torque in synchronous motors using complex phasors.

Covers the power modes and supply configurations of a synchronous motor.

Explains how synchronous motors adapt speed and torque based on frequency and load.

Explores synchronous motors in electric drives, covering auto-commutation, rotor position detection, sensor options, and commutation modes.

Covers the structure and operation of synchronous motors, focusing on permanent magnets and control methods.

Explores the construction and operation of a direct current motor.

Delves into the operation of a DC motor as a generator and the induced voltage equation.

Explores the characteristic equations of a DC motor and their impact on motor performance.

Covers pole pairs, rotating field speed calculation, and direction of rotation.

Explains the DC motor operation with a constant voltage power supply.

Delves into the effects of varying voltage and current limitation on a DC motor.

Explains coil excitation in a DC motor and its torque characteristics.

Demonstrates a DC motor with separate excitation and explains why it accelerates unexpectedly when the excitation is cut off.

Explores powering a DC motor with AC to create a universal motor and demonstrates practical examples.

Explains the conditions for obtaining a couple out of phase with the stator field in an asynchronous motor.

Delves into the construction of an asynchronous motor, emphasizing stator and rotor structures and the efficiency of different winding methods.

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