电工学原理与应用（第七版）（英文版） 下载 pdf 百度网盘 epub 免费 2025 电子书 mobi 在线

本书是电工学概论领域的经典教材。作者通过讲授电工学原理来激励学生学习，并关注于解决各个工程领域的特定的或者有趣的问题，同时还提供了详尽的例题和实际的应用范例。本书的主要内容包括：电阻电路、电感与电容、暂态分析、正弦稳态分析、频率响应与谐振、数字逻辑电路、二极管、放大器、场效应晶体管、双极结型晶体管、运算放大器、磁路与变压器、交流电机等。

Contents

1

Introduction 1

1.1 Overview of Electrical Engineering2

1.2 Circuits, Currents, and Voltages5

1.3 Power and Energy11

1.4 Kirchhoff’s Current Law14

1.5 Kirchhoff’s Voltage Law17

1.6 Introduction to Circuit Elements20

1.7 Introduction to Circuits27

Summary30

Problems31

Practice Test38

2

Resistive Circuits 40

2.1 Resistances in Series and Parallel41

2.2 Network Analysis by Using Series and Parallel Equivalents44

2.3 Voltage-Divider and Current-Divider Circuits48

2.4 Node-Voltage Analysis51

2.5 Th¨|venin and Norton Equivalent

Circuits61

2.6 Superposition Principle72

2.7 Wheatstone Bridge75

Summary77

Problems78

Practice Test88

3

Inductance and Capacitance 91

3.1 Capacitance92

3.2 Capacitances in Series and Parallel99

3.3 Physical Characteristics of

Capacitors101

3.4 Inductance105

3.5 Inductances in Series and Parallel109

3.6 Practical Inductors111

3.7 Mutual Inductance112

Summary114

Problems114

Practice Test121

4

Transients 122

4.1 First-Order RC Circuits123

4.2 DC Steady State128

4.3 RL Circuits129

4.4 RC and RL Circuits with General Sources133

Summary140

Problems140

Practice Test146

5

Steady-State Sinusoidal Analysis 147

5.1 Sinusoidal Currents and Voltages148

5.2 Phasors153

5.3 Complex Impedances158

5.4 Circuit Analysis with Phasors and Complex Impedances162

5.5 Power in AC Circuits166

5.6 Th¨|venin and Norton Equivalent

Circuits177

5.7 Balanced Three-Phase Circuits182

Summary192

Problems193

Practice Test202

6

Frequency Response, Bode Plots,

and Resonance 203

6.1 Fourier Analysis, Filters, and Transfer Functions204

6.2 First-Order Lowpass Filters211

6.3 Decibels, the Cascade Connection,

and Logarithmic Frequency Scales215

6.4 Bode Plots220

6.5 First-Order Highpass Filters222

6.6 Series Resonance225

6.7 Parallel Resonance230

Summary232

Problems233

Practice Test240

7

Logic Circuits 242

7.1 Basic Logic Circuit Concepts243

7.2 Representation of Numerical Data in Binary Form245

7.3 Combinatorial Logic Circuits252

7.4 Synthesis of Logic Circuits259

7.5 Minimization of Logic Circuits265

7.6 Sequential Logic Circuits269

Summary278

Problems279

Practice Test285

8

Diodes 287

8.1 Basic Diode Concepts288

8.2 Load-Line Analysis of Diode

Circuits291

8.3 Zener-Diode Voltage-Regulator

Circuits293

8.4 Ideal-Diode Model296

8.5 Piecewise-Linear Diode Models298

8.6 Rectifier Circuits301

8.7 Wave-Shaping Circuits305

8.8 Linear Small-Signal Equivalent

Circuits309

Summary314

Problems314

Practice Test323

9

Amplifiers: Specifications and

External Characteristics 325

9.1 Basic Amplifier Concepts326

9.2 Cascaded Amplifiers330

9.3 Power Supplies and Efficiency332

9.4 Additional Amplifier Models335

9.5 Importance of Amplifier Impedances

in Various Applications338

9.6 Ideal Amplifiers340

9.7 Frequency Response342

9.8 Linear Waveform Distortion345

9.9 Pulse Response349

9.10 Transfer Characteristic and

Nonlinear Distortion351

9.11 Differential Amplifiers354

9.12 Offset Voltage, Bias Current, and

Offset Current357

Summary361

Problems362

Practice Test371

10

Field-Effect Transistors 372

10.1 NMOS and PMOS Transistors373

10.2 Load-Line Analysis of a Simple

NMOS Amplifier379

10.3 Bias Circuits382

10.4 Small-Signal Equivalent Circuits385

10.5 Common-Source Amplifiers389

10.6 Source Followers392

10.7 CMOS Logic Gates396

Summary401

Problems401

Practice Test407

11

Bipolar Junction Transistors 408

11.1 Current and Voltage Relationships409

11.2 Common-Emitter Characteristics411

11.3 Load-Line Analysis of a Common-Emitter Amplifier413

11.4 pnp Bipolar Junction Transistors418

11.5 Large-Signal DC Circuit Models420

11.6 Large-Signal DC Analysis of BJT Circuits422

11.7 Small-Signal Equivalent Circuits428

11.8 Common-Emitter Amplifiers431

11.9 Emitter Followers436

Summary440

Problems441

Practice Test447

12

Operational Amplifiers 449

12.1 Ideal Operational Amplifiers450

12.2 Inverting Amplifiers451

12.3 Noninverting Amplifiers457

12.4 Nonlinear Limitations460

12.5 Differential and Instrumentation Amplifiers464

12.6 Integrators and Differentiators466

12.7 Active Filters468

Summary472

Problems473

Practice Test479

13

Magnetic Circuits and Transformers 481

13.1 Magnetic Fields482

13.2 Magnetic Circuits489

13.3 Inductance and Mutual Inductance494

13.4 Magnetic Materials498

13.5 Ideal Transformers500

13.6 Real Transformers507

Summary511

Problems511

Practice Test519

14

AC Machines 520

14.1 Three-Phase Induction Motors521

14.2 Equivalent-Circuit and Performance Calculations for Induction Motors528

14.3 Synchronous Machines536

14.4 Single-Phase Motors546

14.5 Stepper Motors and Brushless DC Motors549

Summary550

Problems551

Practice Test556

APPENDICES

A

Complex Numbers 557

Summary563

Problems563

B

Nominal Values and the

Color Code for Resistors 565

C

The Fundamentals

of Engineering Examination 567

D

Answers for the Practice Tests 568

熊兰，重庆大学电气工程学院教授。2004年获得高电压与绝缘技术工学博士学位，2010年被聘为教授。自2004年以来，担任电工理论与新技术系副主任，分管教学管理工作。

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书籍介绍

本书是电工学概论领域的经典教材。作者通过讲授电工学原理来激励学生学习，并关注于解决各个工程领域的特定的或者有趣的问题，同时还提供了详尽的例题和实际的应用范例。本书的主要内容包括：电阻电路、电感与电容、暂态分析、正弦稳态分析、频率响应与谐振、数字逻辑电路、二极管、放大器、场效应晶体管、双极结型晶体管、运算放大器、磁路与变压器、交流电机等。