Description

Theory
2

Laboratory
2

Instructors

José Beleza Carvalho

Contents

CP1 - Asynchronous Induction Machines: Description of Induction Machines; currents and magnetic fluxes. Principle of operation. Induction Motor Equivalent Circuit. Energy analysis, electric and mechanical power, electromagnetic torque, efficiency and energy losses. Steady-state performances. Influence of Rotor´s electric resistance: slip-ring Induction Motor and squirrel-cage Induction Motor. Speed Control. Applications and laboratory analysis.

CP2 - Synchronous Machines: Description of Synchronous Machines; Principle of operation; Windings; Simplifying Hypothesis. Energy analysis, electric and mechanical power, electromagnetic torque, efficiency and energy losses. Steady-state performances. Speed Control. Applications and laboratory analysis.

CP3 - Special Electric Machines: Single-phase motors: induction, universal and shaded poles. Reluctance Engine. Synchronous and step motor of permanent magnets.

Learning Outcomes

Understand the working principle of AC Synchronous Machine, especially in its operation as a generator, its selection and use. Understand the working principle of Induction Machine , either in its operation as a generator either in its operation as a motor, the selection and use. Understand the working principle and use of the main special machines.

Specific objectives:

OB1 - Analysis in Engineering
- Learn to identify problems, analyze possible solutions and select the most appropriate method for the correct implementation.

OB2 ? Investigation
- Ability to interpret experimental data and bibliography, and adjust the models designed by keeping a physical interpretation.

OB3 - Practice in Engineering
-Apply different tools that have a realistic application and integrating the activities of Engineering