Cours - Génie électrique

26 documents à télécharger gratuitement

Cours de génie électrique, partagés par des étudiants et des enseignants. Thèmes couverts : électrotechnique, machines électriques, transformateur, puissance.

Les Convertisseurs Continu-Continu

This document provides an in-depth analysis of DC-DC converters, commonly referred to as choppers. It explains various types such as series choppers (buck converters), parallel choppers (boost converters), and reversible choppers, focusing on their structures, principles of operation, and applications. Series choppers reduce the output voltage below the source voltage, while parallel choppers increase the output voltage. The document also discusses reversible choppers, which combine the functionality of buck and boost converters for applications requiring bidirectional power flow. Simplifie...

DC-DC converter
Buck converter
Boost converter
43p0
Cours Electrotechnique

This course covers the principles and operation of direct current (DC) motors, including shunt and series motors. Key topics include the functioning under constant and variable excitation, characteristics of speed and torque, and efficiency. The course also compares shunt and series motors and discusses practical applications.

moteur
caracte
ristique
14p0
Cours Electrotechnique

This document covers exercises related to DC motors with independent excitation. It includes calculations of electromotive force, electromagnetic torque, and performance parameters under various conditions. Students are tasked with analyzing motor characteristics and determining key electrical parameters.

moteur
induit
courant
4p0
Energie et convertisseurs d'énergie

This document covers the principles of controlled rectifiers using thyristors, detailing their operation and characteristics. It explores the functionality of different thyristor circuits, including calculations for the average rectified voltage. Additionally, it provides graphical representations of the thyristor voltage behavior over time.

figure
courant
tension
10p0
Cours Electrotechnique

This document covers the fundamentals of direct current machines, including their operational principles, mechanical rectification, and industrial realization. It delves into the production of electromotive force (f.e.m), the construction of the machines, and the behavior of the armature under load. This course is intended for students studying electrical engineering, providing insights into both theoretical and practical applications.

induit
tique
courant
15p0
Cours Electrotechnique

This document covers the fundamentals of electromagnetism as applied in electrical circuits, with a focus on the functioning of an iron core coil. Detailed equations and concepts related to magnetic circuits, losses, and induction are presented. Key topics include the properties of ferromagnetic materials and the application of vector representations in electrical analysis.

magne
tique
pertes
9p0
La machine à courant continu

Cette document traite de la machine à courant continu, un convertisseur d'énergie qui peut fonctionner en moteur ou en génératrice. Il explique la structure de la machine, le phénomène d'induction et la description technique d'une machine tétrapolaire. Les détails incluent la fonction des composants tels que le stator et le rotor.

machine
courant
donc
14p0
Cours Electrotechnique

This document contains exercises related to direct current generators, including their characteristics at no load and under load, calculations regarding excitation and resistance, and various electrical principles applied in electrotechnics.

excitation
courant
ratrice
3p0
Rappels: Les machines asynchrones triphasées

This document provides an overview of three-phase asynchronous machines, discussing their structure, functioning principles, and performance dynamics. It details the components like the stator and rotor, and elaborates on operational aspects such as slip and power balance. Additionally, it includes technical considerations for motor coupling and performance efficiency.

rotor
moteur
triphas
9p0
Cours d'électrotechnique E2

This document provides a comprehensive overview of electric generators and motors, emphasizing the transformation of mechanical energy into electrical energy. It describes the components and functioning principles of direct current machines, including inductors and rotors. The document details the roles of different parts within these machines and their operational characteristics.

induit
flux
figure
14p0
Principe et caractéristiques des relais électromagnétiques et statiques

This document discusses electrical preactuators, focusing on relays and contactors. It explains the principles, characteristics, and types of relays, including electromagnetic and static relays. Additionally, it covers the fundamental functioning of TRIACs within control circuits.

relais
circuit
commande
7p0
Cours Electrotechnique

This document covers the study of direct current generators, focusing on their characteristics and operating conditions. It introduces the functioning of separate and shunt excitation generators, providing schematics and equations for their operation. The content also discusses the performance characteristics under various loads and conditions.

caract
fonctionnement
vide
12p0
Cours Electrotechnique

This document contains exercises related to magnetic circuits and transformers. It includes calculations for magnetic force, induction, current, and transformer efficiency. Practical scenarios are provided to apply theoretical knowledge in electrotechnics.

calculer
essai
magne
3p0
Cours Electrotechnique

This document discusses the fundamentals of single-phase transformers, including their role, constitution, functioning principles, and ideal versus real transformer properties. It covers the equations of operation, equivalent circuits, and the efficiency of transformers. Key concepts and diagrams illustrate the theory behind transformer operation.

transformateur
primaire
sche
18p0
Cours Electrotechnique

This document presents a series of exercises related to three-phase transformers, including calculations of secondary current, voltage distribution, and efficiency under various loading conditions. It includes practical applications and theoretical assessments essential for understanding transformer operation in electrical systems. The exercises are designed as part of a course for students in electrical engineering.

secondaire
tension
transformateur
4p0
Cours Electrotechnique

This document serves as a course material for electrical engineering students at ISET, specifically for the second year of a bachelor's program. It covers foundational topics such as inductors, single-phase and three-phase transformers, and direct current machines. The course aims to assist students in mastering theoretical concepts through practical examples.

chapitre
continu
courant
Institut Supérieur des Études Technologiques1p0
Les installations d'éclairage domestique

Ce document fournit une introduction aux installations d'éclairage domestique en conformité avec la norme française NFC15-100. Il présente les différentes caractéristiques d'installation et les schémas de distribution. Les étudiants apprendront à différencier les montages d'éclairage et à comprendre leur fonctionnement.

clairage
mbarek
figure
Institut Supérieur des Études Technologiques23p0
Electronique de Puissance et ses Applications

This document introduces power electronics focusing on static semiconductor converters, their types (AC/DC, DC/DC, DC/AC, AC/AC), and their applications in domestic, industrial, transportation, and energy sectors. It emphasizes the role of power electronic devices such as diodes, thyristors, MOSFETs, IGBTs, and GTO thyristors in energy conversion. Key considerations include system efficiency, design optimization, and thermal management. Lastly, it provides a comparative analysis of common semiconductor switches in terms of power handling and switching performance.

Power Electronics
Static Converters
Thyristors
8p0
Remerciements et Présentation de la S.T.E.G

This document contains acknowledgements for the assistance during an internship at the Société Tunisienne de l'Électricité et du Gaz (S.T.E.G). It includes a general introduction to S.T.E.G, an overview of its services, and calculations related to voltage drop. The aim is to connect theoretical knowledge with practical experience in the electricity sector.

poste
travaux
service
29p0
Aménagement des machines d’emballage

This document outlines an internship report conducted at TOURELEC, a private company specializing in electrical works. The report details the company’s operations, the intern's experiences, and an analysis of case studies within the industrial setting. It emphasizes the practical aspects of working in an electrical engineering environment and the valuable experiences gained during this period.

data
base64
image
Institut Supérieur des Études Technologiques de Nabeul1p0
Remerciements et Présentation du S.T.E.G

This document includes acknowledgments for support during an internship at the Tunisian Electricity and Gas Company (S.T.E.G). It provides a comprehensive introduction to the S.T.E.G, detailing its organizational structure, services, and the significance of its role in the Tunisian economy. The document also contains calculations related to voltage drop and other technical analyses.

poste
travaux
service
29p0
Cours de Système Logique (2) - Logique Séquentielle

This document provides an in-depth exploration of sequential logic systems. It begins with a comparison between combinational and sequential circuits, emphasizing memory-dependent functionality in the latter. Detailed descriptions and operational principles of various flip-flops, including RS, D, JK, and T, are provided. The document also introduces synchronous and asynchronous circuits, explaining signal synchronization techniques, and delves into their practical applications including frequency division and signal stability during state transitions.

Sequential systems
RS Flip-Flop
Synchronous circuits
Institut Supérieur des Études Technologiques de Nabeul40p0
Cours de systèmes logiques (1)

This document provides a comprehensive overview of logical systems with a focus on numerical systems, conversions, Boolean algebra, and combinatorial logical functions. It elaborates on numerical bases (decimal, binary, octal, hexadecimal), methods for base conversion, and arithmetic operations within numerical systems. It further discusses the representation and simplification of logical functions, application in combinational circuits such as arithmetic operations, and introduces information encoding methods like binary and Gray codes. The included content emphasizes both theoretical and...

Boolean Algebra
Binary Operations
Gray Code
Institut Supérieur des Études Technologiques de Nabeul61p0
Cours d’électricité

This document introduces fundamental concepts of electrical circuits, addressing key components and their functionality within closed and open setups. It outlines central principles like Kirchhoff's laws, and discusses theorems such as Thévenin's and Norton's, essential to circuit analysis. Resistance properties are explored in detail, including temperature coefficients, resistance associations in series and parallel, and equivalences. Practical examples, such as current division and voltage division, contextualize theoretical principles for application.

Kirchhoff's laws
Thévenin's theorem
Millman theorem
56p0