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Electrical Engineering: Concepts and Applications

Electrical Engineering: Concepts and Applications

S.A. Reza Zekavat

(2013)

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Book Details

Abstract

For non-electrical engineering majors taking the introduction to electrical engineering course.

 

Electrical Engineering: Concepts and Applications is the result of a multi-disciplinary effort at Michigan Technological University to create a new curriculum that is attractive, motivational, and relevant to students by creating many application-based problems; and provide the optimal level of both range and depth of coverage of EE topics in a curriculum package.



Table of Contents

Section Title Page Action Price
Cover Cover
Contents 7
Preface 17
Acknowledgements 19
Chapter 1 Why Electrical Engineering? 23
1.1 Introduction 23
1.2 Electrical Engineering and a Successful Career 24
1.3 What Do You Need to Know about EE? 24
1.4 Real Career Success Stories 25
1.5 Typical Situations Encountered on the Job 26
1.5.1 On-the-Job Situation 1: Active Structural Control 26
1.5.2 On-the-Job Situation 2: Chemical Process Control 28
1.5.3 On-the-Job Situation 3: Performance of an Off-Road Vehicle Prototype 30
Further Reading 34
Chapter 2 Fundamentals of Electric Circuits 35
2.1 Introduction 35
2.2 Charge and Current 37
2.3 Voltage 39
2.4 Respective Direction of Voltage and Current 40
2.5 Kirchhoff’s Current Law 40
2.6 Kirchhoff’s Voltage Law 44
2.7 Ohm’s Law and Resistors 49
2.7.1 Resistivity of a Resistor 51
2.7.2 Nonlinear Resistors 54
2.7.3 Time-Varying Resistors 54
2.8 Power and Energy 54
2.8.1 Resistor-Consumed Power 58
2.9 Independent and Dependent Sources 60
2.10 Analysis of Circuits Using PSpice 64
Bias Point Analysis 67
Time Domain (Transient) Analysis 68
Copy the Simulation Plot to the Clipboard to Submit Electronically 69
2.11 What Did You Learn? 75
Problems 76
Chapter 3 Resistive Circuits 83
3.1 Introduction 83
3.2 Resistors in Parallel and Series and Equivalent Resistance 84
3.3 Voltage and Current Division/Divider Rules 93
3.3.1 Voltage Division 93
3.3.2 Current Division 96
3.4 Nodal and Mesh Analysis 103
3.4.1 Nodal Analysis 103
3.4.2 Mesh Analysis 110
3.5 Special Conditions: Super Node 114
3.6 Thévenin/Norton Equivalent Circuits 121
3.6.1 Source Transformation 130
3.7 Superposition Principle 134
3.8 Maximum Power Transfer 140
3.9 Analysis of Circuits Using PSpice 144
3.10 What Did You Learn? 147
Problems 148
Chapter 4 Capacitance and Inductance 157
4.1 Introduction 157
4.2 Capacitors 158
4.2.1 The Relationship Between Charge, Voltage, and Current 160
4.2.2 Power 162
4.2.3 Energy 162
4.3 Capacitors in Series and Parallel 163
4.3.1 Series Capacitors 163
4.3.2 Parallel Capacitance 164
4.4 Inductors 169
4.4.1 The Relationship Between Voltage and Current 169
4.4.2 Power and Stored Energy 170
4.5 Inductors in Series and Parallel 171
4.5.1 Inductors in Series 172
4.5.2 Inductors in Parallel 172
4.6 Applications of Capacitors and Inductors 174
4.6.1 Fuel Sensors 174
4.6.2 Vibration Sensors 175
4.7 Analysis of Capacitive and Inductive Circuits Using PSpice 178
4.8 What Did You Learn? 180
Problems 181
Chapter 5 Transient Analysis 186
5.1 Introduction 186
5.2 First-Order Circuits 187
5.2.1 RC Circuits 187
5.2.2 RL Circuits 201
5.3 DC Steady State 208
5.4 DC Steady State for Capacitive–Inductive Circuits 210
5.5 Second-Order Circuits 211
5.5.1 Series RLC Circuits with a DC Voltage Source 211
5.5.2 Parallel RLC Circuits with a DC Voltage Source 218
5.6 Transient Analysis with Sinusoid Forcing Functions 220
5.7 Using PSpice to Investigate the Transient Behavior of RL and RC Circuits 223
5.8 What Did You Learn? 229
Problems 230
Chapter 6 Steady-State AC Analysis 237
6.1 Introduction: Sinusoidal Voltages and Currents 237
6.1.1 Root-Mean-Square (rms) Values (Effective Values) 242
6.1.2 Instantaneous and Average Power 243
6.2 Phasors 244
6.2.1 Phasors in Additive or (Subtractive) Sinusoids 246
6.3 Complex Impedances 247
6.3.1 The Impedance of a Resistor 247
6.3.2 The Impedance of an Inductor 247
6.3.3 The Impedance of a Capacitor 248
6.3.4 Series Connection of Impedances 250
6.3.5 Parallel Connection of Impedances 251
6.4 Steady-State Circuit Analysis Using Phasors 253
6.5 Thévenin and Norton Equivalent Circuits with Phasors 261
6.5.1 Thévenin Equivalent Circuits with Phasors 261
6.5.2 Norton Equivalent Circuits with Phasors 262
6.6 AC Steady-State Power 265
6.6.1 Average Power 267
6.6.2 Power Factor 268
6.6.3 Reactive Power 268
6.6.4 Complex Power 269
6.6.5 Apparent Power 271
6.6.6 Maximum Average Power Transfer 274
6.6.7 Power Factor Correction 276
6.7 Steady-State Circuit Analysis Using PSpice 281
6.8 What Did You Learn? 287
Problems 289
Chapter 7 Frequency Analysis 296
7.1 Introduction 296
7.2 First-Order Filters 297
7.2.1 Transfer Functions 297
7.3 Low-Pass Filters 298
7.3.1 Magnitude and Phase Plots 302
7.3.2 Decibels 302
7.3.3 Bode Plot 304
7.4 High-Pass Filters 307
7.4.1 Cascaded Networks 309
7.5 Second-Order Filters 311
7.5.1 Band-Pass Filters 311
7.5.2 Band-Stop Filters 313
7.6 MATLAB Applications 315
7.7 Frequency Response Analysis Using PSpice 322
7.8 What Did You Learn? 331
Problems 332
Chapter 8 Electronic Circuits 338
8.1 Introduction 338
8.2 P-Type and N-Type Semiconductors 339
8.3 Diodes 341
8.3.1 Diode Applications 345
8.3.2 Different Types of Diodes 351
8.3.3 AC-to-DC Converter 357
8.4 Transistors 360
8.4.1 Bipolar Junction Transistor 360
8.4.2 Transistor as an Amplifier 361
8.4.3 Transistors as Switches 378
8.4.4 Field-Effect Transistors 379
8.4.5 Design of NOT Gates Using NMOS Only for High-Density Integration 389
8.4.6 Design of a Logic Gate Using CMOS 391
8.5 Operational Amplifiers 393
8.6 Using PSpice to Study Diodes and Transistors 399
8.7 What Did You Learn? 407
Further Reading 407
Problems 408
Chapter 9 Power Systems and Transmission Lines 417
9.1 Introduction 417
9.2 Three-Phase Systems 418
9.2.1 Introduction 418
9.2.2 Phase Sequence 420
9.2.3 Y-Connected Generators 420
9.2.4 Y-Connected Loads 420
9.2.5 ∆-Connected Loads 423
9.2.6 ∆-Star and Star-∆ Transformations 426
9.2.7 Power in Three-Phase Systems 428
9.2.8 Comparison of Star and ∆ Load Connections 433
9.2.9 Advantages of Three-Phase Systems 433
9.3 Transmission Lines 434
9.3.1 Introduction 434
9.3.2 Resistance (R) 436
9.3.3 Different Types of Conductors 437
9.3.4 Inductance (L) 438
9.3.5 Capacitance 443
9.3.6 Transmission Line Equivalent Circuits 446
9.4 Using PSpice to Study Three-Phase Systems 454
9.5 What Did You Learn? 457
Further Reading 457
Problems 458
Chapter 10 Fundamentals of Logic Circuits 462
10.1 Introduction 462
10.2 Number Systems 464
10.2.1 Binary Numbers 464
10.2.2 Hexadecimal Numbers 471
10.2.3 Octal Numbers 472
10.3 Boolean Algebra 473
10.3.1 Boolean Inversion 473
10.3.2 Boolean AND Operation 473
10.3.3 Boolean OR Operation 474
10.3.4 Boolean NAND Operation 474
10.3.5 Boolean NOR Operation 474
10.3.6 Boolean XOR Operation 474
10.3.7 Summary of Boolean Operations 474
10.3.8 Rules Used in Boolean Algebra 474
10.3.9 De Morgan’s Theorems 475
10.3.10 Commutativity Rule 476
10.3.11 Associativity Rule 476
10.3.12 Distributivity Rule 476
10.4 Basic Logic Gates 481
10.4.1 The NOT Gate 481
10.4.2 The AND Gate 481
10.4.3 The OR Gate 482
10.4.4 The NAND Gate 482
10.4.5 The NOR Gate 482
10.4.6 The XOR Gate 485
10.4.7 The XNOR Gate 485
10.5 Sequential Logic Circuits 488
10.5.1 Flip-Flops 488
10.5.2 Counter 492
10.6 Using PSpice to Analyze Digital Logic Circuits 496
10.7 What Did You Learn? 503
Reference 504
Problems 505
Chapter 11 Computer-Based Instrumentation Systems 510
11.1 Introduction 510
11.2 Sensors 511
11.2.1 Pressure Sensors 512
11.2.2 Temperature Sensors 513
11.2.3 Accelerometers 519
11.2.4 Strain-Gauges/Load Cells 520
11.2.5 Acoustic Sensors 522
11.2.6 Linear Variable Differential Transformers (LVDT) 525
11.3 Signal Conditioning 527
11.3.1 Amplifiers 527
11.3.2 Active Filters 527
11.4 Data Acquisition 533
11.4.1 Analog Multiplexer 533
11.4.2 Analog-to-Digital Conversion 533
11.5 Grounding Issues 536
11.5.1 Ground Loops 536
11.6 Using PSpice to Demonstrate a Computer-Based Instrument 538
11.7 What Did You Learn? 541
Further Reading 541
Problems 541
Chapter 12 Principles of Electromechanics 546
12.1 Introduction 546
12.2 Magnetic Fields 547
12.2.1 Magnetic Flux and Flux Intensity 548
12.2.2 Magnetic Field Intensity 549
12.2.3 The Right-Hand Rule 549
12.2.4 Forces on Charges by Magnetic Fields 550
12.2.5 Forces on Current-Carrying Wires 550
12.2.6 Flux Linkages 552
12.2.7 Faraday’s Law and Lenz’s Law 552
12.3 Magnetic Circuits 552
12.3.1 Magnetomotive Force 553
12.3.2 Reluctance 554
12.4 Mutual Inductance and Transformers 560
12.4.1 Mutual Inductance 561
12.4.2 Transformers 564
12.5 Different Types of Transformers 569
12.6 Using PSpice to Simulate Mutual Inductance and Transformers 569
12.7 What Did You Learn? 574
Problems 574
Chapter 13 Electric Machines 579
13.1 Introduction 579
13.1.1 Features of Electric Machines 580
13.1.2 Classification of Motors 580
13.2 DC Motors 581
13.2.1 Principle of Operation 581
13.2.2 Assembly of a Typical DC Motor 581
13.2.3 Operation of a DC Motor 582
13.2.4 Losses in DC Machines 583
13.3 Different Types of DC Motors 585
13.3.1 Analysis of a DC Motor 585
13.3.2 Shunt-Connected DC Motor 588
13.3.3 Separately Excited DC Motors 589
13.3.4 Permanent Magnet (PM) DC Motor 590
13.3.5 Series-Connected DC Motor 593
13.3.6 Summary of DC Motors 595
13.4 Speed Control Methods 595
13.4.1 Speed Control by Varying the Field Current 595
13.4.2 Speed Control by Varying the Armature Current 597
13.5 DC Generators 598
13.5.1 The Architecture and Principle of Operation of a DC Generator 598
13.5.2 emf Equation 599
13.6 Different Types of DC Generators 600
13.6.1 Load Regulation Characteristics of DC Generators 600
13.6.2 Separately Excited DC Generator 601
13.6.3 Shunt-Connected DC Generator 602
13.7 AC Motors 602
13.7.1 Three-Phase Synchronous Motors 603
13.7.2 Three-Phase Induction Motor 606
13.7.3 Losses in AC Machines 613
13.7.4 Power Flow Diagram for an AC Motor 613
13.8 AC Generators 614
13.8.1 Construction and Working 615
13.8.2 Winding Terminologies for the Alternator 615
13.8.3 The emf Equation of an Alternator 617
13.9 Special Types of Motors 619
13.9.1 Single-Phase Induction Motors 619
13.9.2 Stepper Motors 619
13.9.3 Brushless DC Motors 621
13.9.4 Universal Motors 622
13.10 How is the Most Suitable Motor Selected? 624
13.11 Setup of a Simple DC Motor Circuit Using PSpice 625
13.12 What Did You Learn? 632
Further Reading 633
Problems 633
Chapter 14 Electrical Measurement Instruments 637
14.1 Introduction 637
14.2 Measurement Errors 638
14.3 Basic Measurement Instruments 641
14.3.1 An Ammeter Built Using a Galvanometer 641
14.3.2 A Voltmeter Built Using a Galvanometer 642
14.3.3 An Ohmmeter Built Using a Galvanometer 643
14.3.4 Multi-Meters 643
14.4 Time Domain and Frequency Domain 647
14.4.1 The Time Domain 647
14.4.2 The Frequency Domain 648
14.4.3 Time Domain Versus Frequency Domain 649
14.5 The Oscilloscope 650
14.6 The Spectrum Analyzer 655
14.6.1 Adjusting the Spectrum Analyzer’s Display Window 655
14.7 The Function Generator 661
14.8 What Did You Learn? 662
Problems 663
Chapter 15 Electrical Safety 668
15.1 Introduction 668
15.2 Electric Shock 668
15.2.1 Shock Effects 669
15.2.2 Shock Prevention 671
15.3 Electromagnetic Hazards 671
15.3.1 High-Frequency Hazards 671
15.3.2 Low-Frequency Hazards 673
15.3.3 Avoiding Radio Frequency Hazards 677
15.4 Arcs and Explosions 677
15.4.1 Arcs 677
15.4.2 Blasts 679
15.4.3 Explosion Prevention 679
15.5 The National Electric Code 680
15.5.1 Shock Prevention 680
15.5.2 Fire Prevention 685
15.6 What Did You Learn? 687
References 688
Problems 688
Appendix A: Solving Linear Equations 693
Appendix B: Laplace Transform 695
Appendix C: Complex Numbers 699
Selected Solutions 705
Index 709
A 709
B 709
C 709
D 710
E 710
F 710
G 710
H 711
I 711
J 711
K 711
L 711
M 711
N 712
O 712
P 712
Q 712
R 712
S 713
T 713
U 714
V 714
W 714
X 714
Y 714
Z 714