First cycle
degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Engineering
Course unit
PRINCIPLES OF ELECTRICAL SCIENCE (Ult. numero di matricola dispari)
IN02106727, A.A. 2019/20

Information concerning the students who enrolled in A.Y. 2018/19

Information on the course unit
Degree course First cycle degree in
IN0509, Degree course structure A.Y. 2011/12, A.Y. 2019/20
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Number of ECTS credits allocated 6.0
Type of assessment Mark
Course unit English denomination PRINCIPLES OF ELECTRICAL SCIENCE
Department of reference Department of Management and Engineering
Mandatory attendance No
Language of instruction Italian
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit

No lecturer assigned to this course unit

ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Educational activities in elective or integrative disciplines ING-IND/31 Electrotechnics 6.0

Course unit organization
Period Second semester
Year 2nd Year
Teaching method frontal

Type of hours Credits Teaching
Hours of
Individual study
Lecture 6.0 48 102.0 No turn

Start of activities 02/03/2020
End of activities 12/06/2020
Show course schedule 2019/20 Reg.2011 course timetable

Prerequisites: Basic knowledge from mathematics and physics courses, in particular: laws of electromagnetism, differential and integral calculus, complex numbers, vector operators (div, grad, rot).
Target skills and knowledge: 1- knowledge of the fundamental properties and methodologies for circuit analysis, and ability to model electric devices through simplified circuits and models;
2- skill in applying these methods to calculate voltages, currents and absorbed power on electric components of a circuit;
3- Learn the working principles and evaluate the operational efficiency of electric motors, of power conversion systems and of electric machines used for generating and distributing electric power, including renewable power sources, energy storage and electric mobility;
4- Learn the safety and protection features of the electric power networks and devices.
5- Select industrial electric power devices and to solve relevant management problems.
Assessment criteria: 1- analytical ability and correctness in the approach to applied problems;
2- exactness of numerical results in applied exercises;
3- completeness of theoretical knowledge, and ability in discussing fundamental equations of electric science and models of electromechanical systems;
4- terminological correction and distinction in the description of electrical applications
Course unit contents: Fundamentals of electric circuits, electric current, electric voltage, ampere-meter, voltmeter. Electric power and wattmeter. Kirchhoff's laws, energy balance. Linear and non-linear 2-terminal elements, multi-terminal elements. Resistors, Inductors, Capacitors, Diodes, ideal and real generators.
DC circuits, series and parallel connection, voltage divider and current divider. D/Y transformation; Methods for linear DC circuit analysis: superposition of effects, Thevenin and Norton equivalent circuits.
AC circuits: Steinmetz's transform for voltage and current, impedance, admittance. AC circuit measurements. Symbolic Kirchhoff's laws. Series and parallel connection. AC power: instantaneous, active, reactive, complex and apparent, power balance. Frequency-domain analysis of RLC circuits.
3-phase systems, phase-to-phase and phase-to-neutral voltage, equivalent single-phase circuit, power measurement, reactive power compensation,
Magnetic induction. Magnetic field (Faraday-Neumann. Ampère e Gauss) in the presence of ferromagnetic materials, hysteresis loop. Inductor, magnetic energy. Mutual inductor, magnetic energy. Magnetic Circuits. Energy and force in magnetic circuits. Rotating magnetic field.
Power Transformers: operation principle, equivalent circuit, voltage drop, efficiency.
Fundamentals of rotating electrical machines: asynchronous and synchronous machines. Equivalent circuit model, electric and mechanical power, torque, efficiency.
Basics of AC-DC and DC-AC electric power conversion.
Production of electric power by renewable and non-renewable sources, energy storage, electric mobility, worldwide and in Italy.
Fundamentals of power distribution systems: fault protection and safety codes for power distribution systems. Direct and indirect contacts, magneto-thermal and differential. protection.
Planned learning activities and teaching methods: Lecture-style instruction (blackboard or powerpoint slides) will cover the whole course program. Lessons dedicated to applied problems and exercises (electrical circuits) will also be given.
Additional notes about suggested reading: All didactic material will be available on the moodle platform
Textbooks (and optional supplementary readings)