AC Electrical Machines

Données Générales
Programme Académique	ECAM LaSalle Mechanical and Electrical Engineering Programme			Responsable(s) Module : MANNAH Marc Anthony
Type d'EC : Cours	AC Electrical Machines (LIIEEng05EACElecMach)
TD : 8h00 TP : 4h00 Cours : 8h00 Travail personnel : 20h00 Durée totale: 40h00	Statut	Periode Semester 5	Langue d'enseignement : English

Acquis d'apprentissage
By the end of this module, students will be able to: 1. Recognise the different types of 3 phase AC machines and interpret their construction, theory, and operation 2. Develop the equivalent circuits of induction and synchronous machines 3. Compare the modes of operation of generators and motors. 4. Evaluate the starting process, speed control, torque, power, and applications of three-phase AC machines

Acquis d'apprentissage

By the end of this module, students will be able to:
1. Recognise the different types of 3 phase AC machines and interpret their construction, theory, and operation
2. Develop the equivalent circuits of induction and synchronous machines
3. Compare the modes of operation of generators and motors.
4. Evaluate the starting process, speed control, torque, power, and applications of three-phase AC machines

Contenu
This course provides engineering students with in-depth knowledge of electrical machines theories. It teaches the students the necessary techniques of solving problems. The principle of rotating magnetic field and AC machinery are underlined. AC machines including three-phase Synchronous machines and three-phase induction machines are explained. Analysis and calculations to find the voltage regulation and efficiency of a machine at a certain load are included. The different applications of each machine are studied as well. o Principle of Rotating Magnetic Field: Rotating Magnetic Field, Electrical & Mechanical Quantities, Magnetomotive Force and Flux Distribution, Induced Voltage & Torque in AC Machines, Winding Insulation & AC Machine Losses, Voltage Regulation & Speed Regulation o Synchronous Machines: Synchronous Generator Model, Synchronous Generator Operating Alone, Parallel Operation of Synchronous Generators, Control of Parallel Generators, Synchronous Motor Model, Synchronous Motor: Load and Field Effects, Starting Synchronous Motors o Induction Machines: Induction Motor Construction, Induction Motor Concepts & Model, IM Torque Speed Characteristic, IM Rotor Design, IM Starting, Induction Generator

Contenu

This course provides engineering students with in-depth knowledge of electrical machines theories. It teaches the students the necessary techniques of solving problems. The principle of rotating magnetic field and AC machinery are underlined. AC machines including three-phase Synchronous machines and three-phase induction machines are explained. Analysis and calculations to find the voltage regulation and efficiency of a machine at a certain load are included. The different applications of each machine are studied as well.

o Principle of Rotating Magnetic Field: Rotating Magnetic Field, Electrical & Mechanical Quantities, Magnetomotive Force and Flux Distribution, Induced Voltage & Torque in AC Machines, Winding Insulation & AC Machine Losses, Voltage Regulation & Speed Regulation
o Synchronous Machines: Synchronous Generator Model, Synchronous Generator Operating Alone, Parallel Operation of Synchronous Generators, Control of Parallel Generators, Synchronous Motor Model, Synchronous Motor: Load and Field Effects, Starting Synchronous Motors
o Induction Machines: Induction Motor Construction, Induction Motor Concepts & Model, IM Torque Speed Characteristic, IM Rotor Design, IM Starting, Induction Generator

Prérequis
Prerequisites: - Electrical Networks - Electrostatics and Magnetostatics - DC Electrical Machines

Bibliographie
Essential Resources: Chapman, S., (2011), Electric Machinery Fundamentals, 4th Edn., McGraw Hill Recommended Resources: Sen, P., (1996), Principles of Electric Machines and Power Electronics, 2nd Edition, ISBN: [0-471-02295-0], Wiley Sahdev, S., (2018), Electric Machines, Cambridge Press El Hawary, M., (2002), Principles of Electric Machines with Power Electronic Applications, 2nd Edn., John Wiley & Sons

Bibliographie

Essential Resources:
Chapman, S., (2011), Electric Machinery Fundamentals, 4th Edn., McGraw Hill

Recommended Resources:
Sen, P., (1996), Principles of Electric Machines and Power Electronics, 2nd Edition, ISBN: [0-471-02295-0], Wiley
Sahdev, S., (2018), Electric Machines, Cambridge Press
El Hawary, M., (2002), Principles of Electric Machines with Power Electronic Applications, 2nd Edn., John Wiley & Sons

Évaluation(s)
N°	Nature	Coefficient	Objectifs
1	1. Recognise the different types of 3 phase AC machines and interpret their construction, theory, and operation 2. Develop the equivalent circuits of induction and synchronous machines 3. Compare the modes of operation of generators and motors. 4. Evaluate the starting process, speed control, torque, power, and applications of three-phase AC machines	0,7	Students will be evaluated on the following abilities (2 hours Final written exam): Validating technical skills on the calculation of a rotating field in an AC machine. Validating technical skills on synchronous and induction machines operation, performance and controlability
2	4. Evaluate the starting process, speed control, torque, power, and applications of three-phase AC machines	0,3	Students will be evaluated on the following abilities during one 4-hour experimental session: Demonstrate practical skills in working with induction motors. Test and characterize induction motors. Analyze the effect of load on machine performance. Evaluate the effect of changes in the input voltage on machine performance. Assessment will be based on both the written laboratory report and the student's ongoing performance during the laboratory session.