# Lessons in Electric Circuits-Vol2-Alternating Current (AC)

This amazing book about basic electrical and electronics engineering was written by Tony R. Kuphaldt and it was released under the Design Science License . These terms and conditions allow for free copying, distribution, and/or modification of this document by the general public. After that this book has been updated by numerous contributors.

Master Index
Chapter 1: Basic AC Theory
1.1 What is Alternating Current (AC)?
1.2 AC Waveforms
1.3 Measurements of AC Magnitude
1.4 Simple AC Circuit Calculations
1.5 AC phase
Chapter 2: Complex Numbers
2.1 Introduction to Complex Numbers
2.2 Vectors and AC Waveforms
2.5 Polar Form and Rectangular Form Notation for Complex Numbers
2.6 Complex Number Arithmetic
2.7 More on AC “polarity”
2.8 Some Examples with AC Circuits
Chapter 3: Reactance and Impedance — Inductive

3.1 AC Resistor Circuits (Inductive)
3.2 AC Inductor Circuits
3.3 Series Resistor-Inductor Circuits
3.4 Parallel Resistor-Inductor Circuits
3.5 Inductor Quirks
3.6 What Is the Skin Effect?
Chapter 4: Reactance And Impedance — Capacitive

4.1 AC Resistor Circuits (Capacitive)
4.2 AC Capacitor Circuits
4.3 Series Resistor-Capacitor Circuits
4.4 Parallel Resistor-Capacitor Circuits
4.5 Capacitor Quirks
Chapter 5: Reactance And Impedance — R, L, And C
5.1 Review of R, X, and Z
5.2 Series R, L, and C
5.3 Parallel R, L, and C
5.4 Series-parallel R, L, and C
5.6 R, L and C Summary
Chapter 6: Resonance

6.1 An Electric Pendulum
6.2 Simple Parallel (Tank Circuit) Resonance
6.3 Simple Series Resonance
6.4 Applications of Resonance
6.5 Resonance in Series-Parallel Circuits
6.6 Q Factor and Bandwidth of a Resonant Circuit
Chapter 7: Mixed-Frequency AC Signals

7.1 Introduction to Mixed-Frequency AC Signals
7.2 Square Wave Signals
7.3 Other Waveshapes
7.4 More on Spectrum Analysis
7.5 Circuit Effects
Chapter 8: Filters

8.1 What is a Filter?
8.2 Low-pass Filters
8.3 High-pass Filters
8.4 Band-pass Filters
8.5 Band-stop Filters
8.6 Resonant Filters
8.7 Summary of Filters
Chapter 9: Transformers

9.1 Mutual Inductance and Basic Operation
9.2 Step-up and Step-down Transformers
9.3 Electrical Isolation
9.4 Phasing
9.5 Winding Configurations
9.6 Voltage Regulation
9.7 Special Transformers and Applications
9.8 Practical Considerations – Transformers
Chapter 10: Polyphase AC Circuits

10.1 Single-phase Power Systems
10.2 Three-phase Power Systems
10.3 Phase Rotation
10.4 Polyphase Motor Design
10.5 Three-phase Y and Delta Configurations
10.6 Three-phase Transformer Circuits
10.7 Harmonics in Polyphase Power Systems
10.8 Harmonic Phase Sequences
Chapter 11: Power Factor

11.1 Power in Resistive and Reactive AC circuits
11.2 True, Reactive, and Apparent Power
11.3 Calculating Power Factor
11.4 Practical Power Factor Correction
Chapter 12: AC Metering Circuits

12.1 AC Voltmeters and Ammeters
12.2 Frequency and Phase Measurement
12.3 Power Measurement
12.4 Power Quality Measurement
12.5 AC Bridge Circuits
12.6 AC Instrumentation Transducers
Chapter 13: AC Motors

13.1 Introduction to AC Motors
13.2 Synchronous Motors
13.3 Synchronous Condenser
13.4 Reluctance Motor
13.5 Stepper Motors
13.6 Brushless DC Motor
13.7 Tesla Polyphase Induction Motors
13.8 Wound Rotor Induction Motors
13.9 Single-phase Induction Motors
13.10 Other Specialized Motors
13.11 Selsyn (Synchro) Motors
13.12 AC Commutator Motors
Chapter 14: Transmission Lines

14.1 A 50-Ohm Cable?
14.2 Circuits and the Speed of Light
14.3 Characteristic Impedance
14.4 Finite-length Transmission Lines
14.5 “Long’’ and “Short’’ Transmission Lines
14.6 Standing Waves and Resonance
14.7 Impedance Transformation
14.8 Waveguides
Appendix: CONTRIBUTOR LIST