Electrotechnics

Code	8490
Year	2
Semester	S2
ECTS Credits	6
Workload	PL(15H)/T(30H)/TP(15H)
Scientific area	Electrotechnics and Electronics
Entry requirements	N/A
Mode of delivery	Face-to-Face.
Work placements	Not Applicable.
Learning outcomes	The main objective of this course unit is the study of electromechanical energy conversion. At the end of this course unit the student should be able to: . Understand the fundamentals of electrostatics and magnetostatics. . Understand the fundamentals of the electromagnetic theory. . Understand and use the techniques of analysis in both DC and AC circuits. . Understand the electromagnetic properties of materials. . Understand the behavior of different types of materials, for the mechanism of transport of electrical charge and the application of magnetic fields. . Understand and use techniques of design and analysis of magnetic circuits
Syllabus	MODULE I – REVISIONS ON ELECTROSTATIC AND MAGNETOSTATIC CONCEPTS. MODULE II – REVISIONS ON DC CIRCUIT ANALYSIS. MODULE III – ANALYSIS OF ALTERNATING CURRENT CIRCUITS: Kirchhoff's Laws. Representation of non-sinusoidal quantities. Root mean square and average values of continuous, alternating sinusoidal and non-sinusoidal periodic signals. RLC circuits. Power Definitions: instantaneous, apparent, active and reactive. MODULE IV – THREE-PHASE SYSTEMS: Star and triangle and balanced and unbalanced connection systems. Simple and compound voltages. Line and phase currents. Vectorial representation. MODULE V – TRANSFORMERS: Ideal transformer. Equivalent equations and schemes. Measuring transformers. MODULE VI – ELECTROMAGNETIC PROPERTIES OF MATERIALS: Magnetic materials. Analysis of magnetic circuits.
Main Bibliography	A. Apontamentos das aulas, M. R. A. Calado, UBI 2020. A. ELECTROTECNIA, Séries de problemas – Edição 3, M. R. A. Calado, UBI 2015. A. MATERIAIS E PROPRIEDADES ELECTROMAGNÉTICAS (Capítulo I), M. R. A. Calado, UBI 2002. A. MATERIAIS E PROPRIEDADES ELECTROMAGNÉTICAS (Capítulo II), M. R. A. Calado, UBI 2009. A. Schaum's Outline of Electromagnetics, 4th Ed., Joseph Edminister, , McGraw-Hill, 2013. A. Circuit Analysis: Theory and Practice, 5th Ed., Robbins and Miller, Thomson Delmar Learning, 2012. A. Circuit Theory Problems: Magnetic Circuits, Basic Concepts, Electrical Measuring Instruments: Circuit Theory, L. Dinglasan, Independently published, 2021. B. Magnetic Materials: Fundamentals and Applications 2nd Ed., Nicola A. Spaldin, Cambridge University Press, 2010. B. Electrical Properties of Materials, L. Solymar and D. Walsh, 9th Ed., Oxford University Press, 2014. B. Advanced Electrical Circuit Analysis: Practice Problems, Methods, and Solutions, M. Rahmani-Andebili, Springer, 2021.
Language	Portuguese. Tutorial support is available in English.