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Fondamental Electrotechnics 1

par: Pr. Samir BENSAID Dr. Hamza HOUASSINE
Disponible
Pages 264
Dimensions 16*23,5
Publication 2025-05-06
Éditeur —
Papier : 1 400.00 DA Numérique: 700.00 DA

This book, entitled “Fundamental Electrotechnics 1 - Courses and Exercises," is intended for second-year Bachelor’s degree students in Electronics, Electrical Engineering, Automation, Electromechanics, Telecommunications, Biomedical Engineering, and Industrial Engineering. It can also be used by students in schools and institutes specializing in Electrical Engineering. The book primarily covers the fundamentals of single-phase and three-phase electrical circuits, coupled coils and transformers, as well as an introduction to rotating machinery. The content of this book, presented in six chapters, is entirely based on the official national Bachelor's degree program for the aforementioned courses. In each chapter, we have made sure to present the core concepts of the course along with several application exercises that address all the fundamental principles related to the chapter’s content. The first chapter revisits complex numbers, a mathematical tool widely used in the analysis of electrical circuits in the sinusoidal alternating regime. The second chapter is dedicated to the study of the general laws of electricity, which will help the reader understand the concepts related to electricity in general, and electrical engineering in particular. The third chapter focuses on the study of electrical circuits in the alternating sine regime and the various types of power involved in both single-phase and three-phase alternating currents. In the fourth chapter, we delve into the study of magnetic circuits, which are a key component in electrical machines. Mastery of concepts related to magnetic circuits is essential for understanding the physical phenomena involved in the operation of all electrical machines. The fifth chapter is devoted to a general study of the transformer, a machine widely used in the transmission and distribution of electrical energy. The final chapter provides an overview of various types of rotating electrical machines. It highlights their different operating modes to help electrical engineering students understand the fundamental principles behind these electromagnetic energy converters.

Afficher la table des matières
Foreword 03
Table of Contents 05
Chapter 1: Mathematical reminders on complex numbers 07
1.1. Introduction 08
1.2. The imaginary number j
1.3. Complex numbers 08
1.4. Graphical representation of complex numbers
1.5. Module and Argument of a Complex Number
1.6. Different Forms of a Complex Number
1.7. Conjugate of a complex number 1.8. Arithmetic operations on complex numbers
1.9. Moivre's formula 15
1.10. Application of Complex Numbers in Electricity
1.11. Summary table of the transition from sinusoidal to complex quantities
 Exercises 20
 Solutions 22
Chapter 2: Reminders of the fundamental laws of electricity 33
2.1 Introduction 34
2.2 Electrical loads 34
2.3 Voltage and current source 34
2.4 Continuous regime 35
2.5 Sinusoidal regime 47
2.6 Transient regime 76
 Exercises 82
 Solutions 87
Chapter 3: Electrical circuits and powers 103
3.1 Introduction 104
3.2. Electrical Receivers 104
3.3. Single-phase sinusoidal regime 104
3.4. Three-phase sinusoidal regime 110
3.5. Unbalanced three-phase regime 122
 Exercises 127
 Solutions
Chapter 4 Magnetic Circuits 159
4.1. Introduction 160
4.2. Magnetic circuits in alternating regime sinusoidal
4.3. Analogy Magnetic circuit / Electric circuit
4.4. Induced electromotive force EMF e(t)
4.5 Magnetic Energy 167
4.6. Self and mutual inductance 160
 Exercises 179
 Solutions 184
Chapter 5: Transformers 193
5.1. Introduction 194
5.2. Constitution and Principle of Operation of a Single-Phase Transformer
5.3. Ideal single-phase transformer 196
5.4. Real single-phase transformer 199
5.5. Other transformer 207
 Exercises 213
 Solutions 220
Chapter 6: Introduction to Electrical Machines 231
6.1. Introduction 232
6.2. General information on electrical machines
6.3. Generator Working Principle 234
6.4. Engine Working Principle 240
6.5. Power balance and efficiency 232
 Exercises 251
 Solutions 255
Bibliography
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