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Ano Letivo: 2017/18

Engenharia Electrotécnica e de Computadores

Materials and Power Conversion (Major in Energy)

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Publication in the Diário da República: Despacho nº 10766/2011 - 30/08/2011

6 ECTS; 2º Ano, 2º Semestre, 28,0 T + 42,0 PL + 5,0 OT , Cód. 911219.

Lecturer
- José Filipe Correia Fernandes (2)

(1) Docente Responsável
(2) Docente que lecciona

Prerequisites
Basics of electromagnetism, electrical circuit analysis and mathematics (partial derivatives and complex numbers)

Objectives
Understanding the electric and magnetic properties of the main materials applied in electrical engineering;
Understanding the basics of energy conversion and its application in transducers and in electrical machines.
Studying the steady state operating mode of DC machines and transformers.

Program
The principle of energy conversion to produce force or torque.
Fundamentals of DC Machines and windings.
Characteristic curves, losses and efficiency of DC motors. Starting and speed control methods of DC motors. Universal motors
working in DC and AC. Fundamentals and
circuit model of transformers. Internal voltage drop, losses and efficiency in loaded
transformers and taps.

Evaluation Methodology
Final mark= 3/4 Mark of a written exam + 1/4 Average mark of laboratory experiences

Bibliography
- Fernandes, J. (0). Acetatos de Materiais e Conversão de Energia. Acedido em 25 de fevereiro de 2016 em http://www.e-learning.ipt.pt/course/view.php?id=463&topic=0#section-13
- Fernandes, J. (0). Sebenta de Máquinas Elétricas. Acedido em 25 de fevereiro de 2016 em http://www.e-learning.ipt.pt/course/view.php?id=463&topic=0#section-13
- Nasar, S. (1997). Electric machines & Electromechanics. (Vol. 1). .UK: McGraw-Hill Education
- Umans, S. e Fitzerald, A. (2013). Máquinas Eléctricas. (Vol. 1ª). .UK: McGraw-Hill

Teaching Method
Lectures, tutorials and laboratory classes including problem solving, demonstrations and experiments.

Software used in class
Excel

 

 

 


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