# FUNDAMENTALS OF ELECTRICAL ENGINEERING + INTRODUCTION TO ELECTRONICS (UNIT 1)

## Learning outcomes of the course unit

APPLICAZIONI INDUSTRIALI ELETTRICHE

1) Knowledge and understanding.

This module aims at providing students with basic knowledge and understanding of:

- electric systems behavior in steady state, quasi steady state and dynamic conditions;

- electromechanical system behavior

- electric circuit analysis

- energetic behavior of electric systems

- magnetic circuit behavior under linear assumption

2) Applying knowledge and understanding

Students will be able to:

- analyzing and designing electric circuits

- compensate the reactive power in electric power plants

- make use of analog or digital voltmeter, ampere meter and wattmeter

APPLICAZIONI INDUSTRIALI ELETTRICHE

1) Knowledge and understanding.

This module aims at providing students with basic knowledge and understanding of:

- electric systems behavior in steady state, quasi steady state and dynamic conditions;

- electromechanical system behavior

- electric circuit analysis

- energetic behavior of electric systems

- magnetic circuit behavior under linear assumption

2) Applying knowledge and understanding

Students will be able to:

- analyzing and designing electric circuits

- compensate the reactive power in electric power plants

- make use of analog or digital voltmeter, ampere meter and wattmeter

## Prerequisites

The students are expected to be familiar with the notions of mathematic

and physics taught in the 1st and 2nd year of the Laurea in Mechanical Engineering.

(Analisi matematica 1, Analisi matematica 2, Fisica generale 1, Fisica generale 2)

The students are expected to be familiar with the notions of mathematic

and physics taught in the 1st and 2nd year of the Laurea in Mechanical Engineering.

(Analisi matematica 1, Analisi matematica 2, Fisica generale 1, Fisica generale 2)

## Course contents summary

a) Electric Systems in steady state conditions.

b) Electric Systems in quasi steady state conditions.

c) Electric systems dynamic behavior.

d) Magnetic circuits

e) Transformers

a) Electric Systems in steady state conditions.

b) Electric Systems in quasi steady state conditions.

c) Electric systems dynamic behavior.

d) Magnetic circuits

## Course contents

a) Electric circuits in steady state conditions.

Basic of electric linear circuit theory.

Analysis of DC electric circuits

From Maxwell field theory to lumped parameters circuits. Fields, charge and current.

Kirchhoff’s current and voltage laws.

Parallel and series connections for linear circuits. Wye-Delta transformation.

Node and loop analysis.

Network theorems. Thevenin’s and Norton’s theorem. Maximum power transfer theorem.

b) Electric circuits in quasi steady state conditions.

Phasor representatives of sinusoidal signals. Steady-state circuit analysis using phasors. Sinuosoidal steady-state power calculations. Series and parallel RLC circuits: resonance issue. Power factor correction. Analysis of Three-Phase circuits. Power measurements, Aron technique.

Economical aspects of electric power transmission: comparison among three-phase and single-phase solutions.

c) Electric circuits dynamic behavior.

Transient analysis of electric circuits. Inductors, Capacitors and duality. First order RL and RC circuits. Second order circuits. Fourier series and Fourier transform. Frequency Response of linear circuits.

d) Magnetic circuits

Magnetic circuit definition and magnetic materials behavior.

The analysis of the magnetic circuit

e)Transformers

Equivalent Circuit

No Load and Short Circuit tests

Efficiency and voltage drop

Three phase transformers

a) Electric circuits in steady state conditions.

Basic of electric linear circuit theory.

Analysis of DC electric circuits

From Maxwell field theory to lumped parameters circuits. Fields, charge and current.

Kirchhoff’s current and voltage laws.

Parallel and series connections for linear circuits. Wye-Delta transformation.

Node and loop analysis.

Network theorems. Thevenin’s and Norton’s theorem. Maximum power transfer theorem.

b) Electric circuits in quasi steady state conditions.

Second order circuits. Series and parallel RLC circuits. Analysis of AC electric circuits

Phasor representatives of sinusoidal signals. Steady-state circuit analysis using phasors. Sinuosoidal steady-state power calculations. Analysis of Three-Phase circuits.

Economical aspects of electric power transmission. Frequency Response of linear circuits.

c) Electric circuits dynamic behavior.

Transient analysis of electric circuits Inductors, Capacitors and duality. First order RL and RC circuits.

d) Magnetic circuits

Magnetic circuit definition and magnetic materials behavior.

The analysis of the magnetic circuit.

Electric transformers (three phases transformers are included).

## Recommended readings

Allan R. Hambley: Electrical Engineering Principles and Applications Prentice Hall

• G. Rizzoni “Elettrotecnica principi e applicazioni” McGraw-Hill

• G.Fabricatore, “Elettrotecnica ed applicazioni”, Ed. Liguori.

## Teaching methods

Classroom lectures and excercices

Classroom lectures and excercices

## Assessment methods and criteria

Oral exam. There is a single exam for the two modules making up the

integrated course. As far as Applicazioni industriali Elettriche students will have to demonstrate knowledge of the

techniques for the time analysis and synthesis of electric systems including energy behavior.

It is considered important that student be able to solve simple quantitative exercises by hand calculation.

Oral exam. There is a single exam for the two modules making up the

integrated course. As far as Applicazioni industriali Elettriche students will have to demonstrate knowledge of the

techniques for the time analysis and synthesis of electric systems including energy behavior.

It is considered important that student be able to solve simple quantitative exercises by hand calculation.