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Foundations of Electric Circuits

by: Cogdell, J.R.

Foundations of Electric Circuits

by: Cogdell, J.R.

ISBN 13:
9780139077425
ISBN 10:
0139077421
Edition: 1st
Format: Paperback
Copyright: 12/21/1998
Publisher: Pearson

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Summary

Provides detailed, clear explanations of the fundamentals of electrical engineering, keeping readers focused on the basics. Maintains a strong emphasis on vocabulary throughout, encouraging further thought and communication based on chapter discussions.This book carefully explores the unifying themes of Electrical Engineering, maintaining a low level of detail and abstract theory. Topics include: Basic Circuit Theory, The Analysis of DC Circuits, The Dynamics of Circuits, The Analysis of AC Circuits, Linear Systems, Power in AC Circuits, and Electric Power Systems.

Preface

vii

Chapter 1 Basic Circuit Theory

(54)

Objectives

(1)

1.1 Introduction to Electrical Engineering

(1)

Place of Electrical Engineering in Modern Technology

(1)

1.2 Physical Basis of Circuit Theory

(2)

Energy and Charge

(1)

What Is Circuit Theory?

(1)

1.3 Current and Kirchhoff's Current Law

(5)

Definition of Current

(3)

Kirchhoff's Current Law

(2)

Check You Understanding

(1)

1.4 Voltage and Kirchhoff's Voltage Law

(7)

Definition of Voltage

(2)

Kirchhoff's Voltage Law (KVL)

(5)

Check Your Understanding

(1)

1.5 Energy Flow in Electrical Circuits

(4)

Voltage, Current, and Power

(4)

Check Your Understanding

(1)

1.6 Circuit Elements: Resistances and Sources

(10)

Resistances and Switches

(3)

Voltage and Current Sources

(2)

Analysis of DC Circuits

(5)

Check Your Understanding

(1)

1.7 Series and Parallel Resistances, Voltage and Current Dividers

(8)

Series Resistances and Voltage Dividers

(2)

Parallel Resistances and Current Dividers

(5)

Check Your Understanding

(1)

Chapter Summary

(1)

Glossary

(1)

Problems

(13)

Section 1.3: Current and Kirchhoff's Current Law

(1)

Section 1.4: Voltage and Kirchhoff's Voltage Law

(1)

Section 1.5: Energy Flow in Electrical Circuits

(1)

Section 1.6: Circuit Elements: Resistors, Switches, and Sources

(2)

Section 1.7: Series and Parallel Resistances; Voltages and Current Dividers

(3)

General Problems

(3)

Answers to Odd-Numbered Problems

(2)

Chapter 2 The Analysis of DC Circuits

(60)

Objectives

(1)

Introduction

(1)

2.1 Superposition

(5)

Superposition Illustrated

(1)

Principle of Superposition

(4)

Check Your Understanding

(1)

2.2 Thevenin's and Norton's Equivalent Circuits

(13)

Example to Justify the Concept

(3)

Thevenin's Equivalent Circuit

(7)

Impedance Level

(1)

Source Transformations

(1)

Check Your Understanding

(1)

2.3 Node-Voltage Analysis

(9)

Basic Idea

(2)

Node-Voltage Technique

(2)

Some Refinements

(3)

Critique

(1)

Check Your Understanding

(1)

2.4 Loop-Current Analysis

(8)

Simple Method of Loop-Current Analysis

(3)

Some Extensions and Fine Points

(4)

Summary of Methods of Circuit Analysis

(1)

Check Your Understanding

(1)

2.5 Controlled Sources

(8)

What are Control Sources?

(7)

What is the Significance of Control Sources?

100

(1)

How Does the Present of Control Sources Affect Circuit Analysis?

101

(1)

Chapter Summary

101

(2)

Glossary

103

(1)

Problems

104

(12)

Section 2.1: Superposition

104

(1)

Section 2.2: Thevenin's and Norton's Equivalent Circuits

105

(2)

Section 2.3: Node-Voltage Analysis

107

(2)

Section 2.4: Loop-Current Analysis

109

(1)

General Problems

110

(3)

Section 2.5: Control Sources

113

(1)

Answers to Odd-Numbered Problems

113

(3)

Chapter 3 The Dynamics of Circuits

116

(46)

Objectives

117

(1)

3.1 Theory of Inductors and Capacitors

118

(10)

Time and Energy

118

(1)

Inductor Basics

118

(5)

Capacitor Basics

123

(5)

Check Your Understanding

128

(1)

3.2 First-Order Transient Response of RL and RC Circuits

128

(8)

Classical Differential Equation Solution

129

(2)

A Simpler Method

131

(4)

RC Circuits

135

(1)

3.3 Advanced Techniques

136

(14)

Circuits with Multiple Resistors

136

(1)

Initial and Final Values

137

(5)

Pulse Problem

142

(2)

Higher-Order Transients

144

(3)

An RLC

147

(2)

Check Your Understanding

149

(1)

Chapter Summary

150

(1)

Glossary

151

(1)

Problems

151

(11)

Section 3.1: Theory of Inductors and Capacitors

151

(2)

Section 3.2: First-Order Transient Response of RL and RC Circuits

153

(3)

Section 3.3: Advanced Techniques

156

(3)

General Problems

159

(1)

Answers to Odd-Numbered Problems

159

(3)

Chapter 4 The Analysis of AC Circuits

162

(52)

Objectives

163

(1)

4.1 Introduction to Alternating Current (AC)

164

(5)

Importance of AC 164

164

(1)

Sinusoids

164

(4)

AC Circuit Problem

168

(1)

Check Your Understanding

169

(1)

4.2 Representing Sinusoids with Phasors

169

(17)

Sinusoids and Linear Systems

169

(1)

Mathematics of the Complex Plane

170

(7)

Phasor Idea

177

(2)

Back to the Circuit Problem

179

(6)

Check Your Understanding

185

(1)

4.3 Impedance: Representing the Circuit in the Frequency Domain

186

(5)

The Final Shortcut

186

(5)

4.4 Phasor Diagrams for RL, RC, and RLC Circuits

191

(11)

RL Circuits

192

(4)

RC Circuits

196

(3)

RLC Circuits

199

(3)

Check Your Understanding

202

(1)

Chapter Summary

202

(2)

Glossary

204

(1)

Problems

205

(9)

Section 4.1: Introduction to Alternating Current (AC)

205

(1)

Section 4.2: Representing Sinusoids with Phasors

206

(1)

Section 4.3: Impedance: Representing the Circuit in the Frequency Domain

207

(4)

General Problems

211

(2)

Answers to Odd-Numbered Problems

213

(1)

Chapter 5 Circuit and System Analysis Using Complex Frequency

214

(56)

Objectives

215

(1)

Introduction to Complex Frequency Techniques

216

(1)

5.1 Complex Frequency

216

(5)

Check Your Understanding

221

(1)

5.2 Impedance and the Transient Behavior of Linear Systems

221

(11)

Generalized Impedance

221

(1)

Transient Analysis

222

(9)

Check Your Understanding

231

(1)

5.3 Transient Response of RLC Circuits

232

(6)

Types of Natural Responses in RLC Circuits

232

(2)

RLC Circuit Transient Behavior

234

(4)

Check Your Understanding

238

(1)

5.4 Filters and Bode Plots

238

(14)

Spectra

238

(1)

Filter Functions

239

(6)

Bode Plots

245

(2)

Frequency Response

247

(1)

High-Pass Filter

248

(4)

Check Your Understanding

252

(1)

5.5 Systems

252

(8)

System Notation

252

(5)

Representing Differential Equations in System Notation

257

(3)

Chapter Summary

260

(1)

Glossary

261

(1)

Problems

261

(9)

Section 5.1: Complex Frequency

261

(2)

Section 5.2: Impedance and the Transient Behavior of Linear Systems

263

(2)

Section 5.3: Transient Response of RLC Circuits

265

(1)

Section 5.4: Filters

266

(1)

Section 5.5: System Analysis

267

(1)

Answers to Odd-Numbered Problems

267

(3)

Chapter 6 Power In AC Circuits

270

(60)

Objectives

271

(1)

6.1 AC Power and Energy Storage: The Time Domain Picture

272

(16)

Importance of Power and Energy

272

(1)

Average Values of Electrical Signals

272

(3)

Effective or Root-Mean-Square (RMS) Valve

275

(4)

Power and Energy Relations for R, L, and C

279

(4)

General Case for Power in an AC Circuit

283

(4)

Check Your Understanding

287

(1)

6.2 Power and Energy in the Frequency Domain

288

(13)

Real and Reactive Power from Phasors

288

(3)

Complex Power

291

(4)

Reactive Power in Power Systems

295

(2)

Reactive Power in Electronics

297

(4)

Check Your Understanding

301

(1)

6.3 Transformers

301

(17)

Transformer Principles

301

(7)

Transformer Applications in AC Power Systems

308

(4)

Residential AC Power

312

(2)

Electrical Safety

314

(4)

Check Your Understanding

318

(1)

Chapter Summary

318

(2)

Glossary

320

(1)

Problems

321

(9)

Section 6.1: AC Power and Energy Storage: The Time-Domain Picture

321

(3)

Section 6.2: Power and Energy in the Frequency Domain

324

(2)

Section 6.3: Transformers

326

(2)

General Problems

328

(1)

Answers to Odd-Numbered Problems

329

(1)

Chapter 7 Electric Power Systems

330

Objectives

331

(1)

7.1 Three-Phase Power

332

(17)

Importance of Electric Power Systems

332

(1)

Introduction to Three-Phase Power Systems

332

(2)

Three-Phase Power Sources

334

(5)

Three-Phase Loads

339

(8)

Per-Phase Equivalent Circuits

347

(2)

Check Your Understanding

349

(1)

7.2 Power Distribution Systems

349

(10)

Three-Phase Transformers

350

(3)

Per-Unit Calculations

355

(3)

Transmission Properties

355

(3)

Check Your Understanding

358

(1)

7.3 Introduction to Electric Motors

359

(12)

Terminology

359

(1)

Motor Characterization in Steady-State Operation

360

(1)

The Motor with a Load

361

(2)

Dynamic Operation

363

(1)

Three-Phase Induction Motor Nameplate Interpretation

364

(6)

Single-Phase Induction Motor

370

(1)

Check Your Understanding

370

(1)

Chapter Summary

371

(1)

Glossary

372

(1)

Problems

372

Section 7.1: Three-Phase Power

372

(4)

Section 7.2: Power Distribution Systems

376

(1)

Section 7.3: Introduction to Electric Motors

377

(4)

General Problems

381

(1)

Answers to Odd-Numbered Problems

382

Amazon no longer offers textbook rentals. We do!

Foundations of Electric Circuits

Foundations of Electric Circuits

9780139077425

0139077421

Summary

Table of Contents

Supplemental Materials

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