tailieunhanh - Principles And Applications Of Electrical Engineering P1

The aim of this chapter is to introduce electrical engineering. The chapter is organized to provide the newcomer with a view of the different specialties making up electrical engineering and to place the intent and organization of the book into perspective. Perhaps the first question that surfaces in the mind of the student approaching the subject is, Why electrical engineering? Since this book is directed at a readership having a mix of engineering backgrounds (including electrical engineering), the question is well justified and deserves some discussion. The chapter begins by defining the various branches of electrical engineering, showing some of the interactions among them, and illustrating by means of. | Contents Chapter 1 Introduction to Electrical Engineering 1 Electrical Engineering 2 Electrical Engineering as a Foundation for the Design of Mechatronic Systems 4 Fundamentals of Engineering Exam Review 8 Brief History of Electrical Engineering 9 Systems of Units 10 Special Features of This Book 11 PART I CIRCUITS 14 Chapter 2 Fundamentals of Electric Circuits 15 Charge Current and Kirchhoff s Current Law 16 Voltage and Kirchhoff s Voltage Law 21 Ideal Voltage and Current Sources 23 Ideal Voltage Sources 24 Ideal Current Sources 25 Dependent Controlled Sources 25 Electric Power and Sign Convention 26 Circuit Elements and Their i-v Characteristics 29 Resistance and Ohm s Law 30 Open and Short Circuits 38 Series Resistors and the Voltage Divider Rule 39 Parallel Resistors and the Current Divider Rule 42 Practical Voltage and Current Sources 49 Measuring Devices 50 The Ohmmeter 50 The Ammeter 51 The Voltmeter 51 Electrical Networks 52 Branch 52 Node 55 Loop 55 Mesh 55 Network Analysis 55 Circuit Variables 56 Ground 57 Chapter 3 Resistive Network Analysis 71 The Node Voltage Method 72 Nodal Analysis with Voltage Source 77 The Mesh Current Method 78 Mesh Analysis with Current Sources 82 Nodal and Mesh Analysis with Controlled Sources 84 Remarks on Node Voltage and Mesh Current Methods 86 The Principle of Superposition 86 One-Port Networks and Equivalent Circuits 89 Thevenin and Norton Equivalent Circuits 90 Determination of Norton or Thevenin Equivalent Resistance 91 Computing the Thevenin Voltage 95 Computing the Norton Current 99 Source Transformations 101 Experimental Determination of Thevenin and Norton Equivalents 104 Maximum Power Transfer 107 Nonlinear Circuit Elements 110 Description of Nonlinear Elements 110 Graphical Load-Line Analysis of Nonlinear Circuits 111 Chapter 4 AC Network Analysis 125 Energy-Storage Dynamic Circuit Elements 126 The Ideal Capacitor 126 Energy

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