eBook for Delmar's Standard Textbook of Electricity 7th Edition By Stephen L. Herman

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eBook for Delmar's Standard Textbook of Electricity, 7th Edition Stephen L. Herman Get all 35 Chapters eBook PDF. Introduction Section 1: Safety, Basic Electricity, and Ohm's Law Safety Overvi... ew S-1 General Safety Rules S-2 Effects of Electric Current on the Body S-3 On the Job S-4 Protective Clothing S-5 Ladders and Scaffolds S-6 Fires S-7 Ground-Fault Circuit Interrupters S-8 Arc-Fault Circuit Interrupters (AFCIs) S-9 Grounding Summary Review Questions Unit 1: Atomic Structure 1-1 Early History of Electricity 1-2 Atoms 1-3 The Law of Charges 1-4 Structure of the Atom 1-5 Electron Orbits 1-6 Valence Electrons 1-7 The Bump Theory 1-8 Power Sources 1-9 Insulators 1-10 Semiconductors 1-11 Molecules 1-12 Methods of Producing Electricity 1-13 Electrical Effects Summary Review Questions Unit 2: Electrical Quantities and Ohm's Law 2-1 The Coulomb 2-2 The Ampere 2-3 The Electron Flow Theory 2-4 The Conventional Current Flow Theory 2-5 Speed of Current 2-6 Basic Electric Circuits 2-7 The Volt 2-8 The Ohm 2-9 The Watt 2-10 Other Measures of Power 2-11 Ohm's Law 2-12 Metric Prefixes Summary Review Questions Practice Problems Unit 3: Static Electricity 3-1 Static Electricity 3-2 Charging an Object 3-3 The Electroscope 3-4 Static Electricity in Nature 3-5 Nuisance Static Charges 3-6 Useful Static Charges Summary Review Questions Unit 4: Magnetism 4-1 The Earth Is a Magnet 4-2 Permanent Magnets 4-3 The Electron Theory of Magnetism 4-4 Magnetic Materials 4-5 Magnetic Lines of Force 4-6 Electromagnetics 4-7 Magnetic Measurement 4-8 Magnetic Polarity 4-9 Demagnetizing 4-10 Magnetic Devices Summary Review Questions Unit 5: Resistors 5-1 Uses of Resistors 5-2 Fixed Resistors 5-3 Color Code 5-4 Standard Resistance Values of Fixed Resistors 5-5 Power Ratings 5-6 Variable Resistors 5-7 Schematic Symbols Summary Review Questions Practice Problems Section 2: Basic Electric Circuits Unit 6: Series Circuits 6-1 Series Circuits 6-2 Voltage Drops in a Series Circuit 6-3 Resistance in a Series Circuit 6-4 Calculating Series Circuit Values 6-5 Solving Circuits 6-6 Voltage Dividers 6-7 The General Voltage Divider Formula 6-8 Voltage Polarity 6-9 Using Ground as a Reference Summary Review Questions Practice Problems Unit 7: Parallel Circuits 7-1 Parallel Circuit Values 7-2 Parallel Resistance Formulas Summary Review Questions Practice Problems Unit 8: Combination Circuits 8-1 Combination Circuits 8-2 Solving Combination Circuits 8-3 Simplifying the Circuit Summary Review Questions Practice Problems Section 3: Meters and Wire Sizes Unit 9: Measuring Instruments 9-1 Analog Meters 9-2 The Voltmeter 9-3 Multirange Voltmeters 9-4 Reading a Meter 9-5 The Ammeter 9-6 Ammeter Shunts 9-7 Multirange Ammeters 9-8 The Ayrton Shunt 9-9 AC Ammeters 9-10 Clamp-On Ammeters 9-11 DC-AC Clamp-On Ammeters 9-12 The Ohmmeter 9-13 Shunt-Type Ohmmeters 9-14 Digital Meters 9-15 The Low-Impedance Voltage Tester 9-16 The Oscilloscope 9-17 The Wattmeter 9-18 Recording Meters 9-19 Bridge Circuits Summary Review Questions Practice Problems Unit 10: Using Wire Tables and Determining Conductor Sizes 10-1 The American Wire Gauge (AWG) 10-2 Using the NEC Charts 10-3 Factors That Determine Ampacity 10-4 Correction Factors 10-5 Calculating Conductor Sizes and Resistance 10-6 Calculating Voltage Drop 10-7 Parallel Conductors 10-8 Testing Wire Installations Summary Review Questions Practice Problems Section 4: Small Sources of Electricity Unit 11: Conduction in Liquids and Gases 11-1 The Ionization Process: Magnesium and Chlorine 11-2 Other Types of Ions 11-3 Electroplating 11-4 Electrolysis 11-5 Conduction in Gases 11-6 Ionization in Nature Summary Review Questions Unit 12: Batteries and Other Sources of Electricity 12-1 History of the Battery 12-2 Cells 12-3 Cell Voltage 12-4 Primary Cells 12-5 Secondary Cells: Lead-Acid Batteries 12-6 Other Secondary Cells 12-7 Series and Parallel Battery Connections 12-8 Other Small Sources of Electricity Summary Review Questions Unit 13: Magnetic Induction 13-1 Electromagnetic Induction 13-2 Fleming's Left-Hand Generator Rule 13-3 Moving Magnetic Fields 13-4 Determining the Amount of Induced Voltage 13-5 Lenz's Law 13-6 Rise Time of Current in an Inductor 13-7 The Exponential Curve 13-8 Inductance 13-9 R-L Time Constants 13-10 Induced Voltage Spikes Summary Review Questions Section 5: Basics of Alternating Current Unit 14: Basic Trigonometry and Vectors 14-1 Right Triangles 14-2 The Pythagorean Theorem 14-3 Sines, Cosines, and Tangents 14-4 Formulas 14-5 Practical Application Summary Review Questions Practice Problems Unit 15: Alternating Current 15-1 Advantages of AC 15-2 AC Waveforms 15-3 Sine Wave Values 15-4 Resistive Loads 15-5 Power in an AC Circuit 15-6 Skin Effect in AC Circuits Summary Review Questions Practice Problems Section 6: Alternating Current (AC) Circuits Containing Inductance Unit 16: Inductance in AC Circuits 16-1 Inductance 16-2 Inductive Reactance 16-3 Schematic Symbols 16-4 Inductors Connected in Series 16-5 Inductors Connected in Parallel 16-6 Voltage and Current Relationships in an Inductive Circuit 16-7 Power in an Inductive Circuit 16-8 Reactive Power 16-9 Q of an Inductor Summary Review Questions Practice Problems Unit 17: Resistive-Inductive Series Circuits 17-1 R-L Series Circuits 17-2 Impedance 17-3 Total Current 17-4 Voltage Drop across the Resistor 17-5 Watts 17-6 Calculating the Inductance 17-7 Voltage Drop across the Inductor 17-8 Total Voltage 17-9 Calculating the Reactive Power 17-10 Calculating the Apparent Power 17-11 Power Factor 17-12 Angle Theta Summary Review Questions Practice Problems Unit 18: Resistive-Inductive Parallel Circuits 18-1 Resistive-Inductive Parallel Circuits 18-2 Calculating Circuit Values Summary Review Questions Practice Problems Section 7: AC Circuits Containing Capacitors Unit 19: Capacitors 19-1 Capacitors 19-2 Electrostatic Charge 19-3 Dielectric Constant 19-4 Capacitor Ratings 19-5 Capacitors Connected in Parallel 19-6 Capacitors Connected in Series 19-7 Capacitive Charge and Discharge Rates 19-8 RC Time Constants 19-9 Applications for Capacitors 19-10 Nonpolarized Capacitors 19-11 Polarized Capacitors 19-12 Variable Capacitors 19-13 Capacitor Markings 19-14 Temperature Coefficients 19-15 Ceramic Capacitors 19-16 Dipped Tantalum Capacitors 19-17 Film Capacitors 19-18 Testing Capacitors Summary Review Questions Practice Problems Unit 20: Capacitance in AC Circuits 20-1 Connecting the Capacitor into an AC Circuit 20-2 Capacitive Reactance 20-3 Calculating Capacitance 20-4 Voltage and Current Relationships in a Pure Capacitive Circuit 20-5 Power in a Pure Capacitive Circuit 20-6 Quality of a Capacitor 20-7 Capacitor Voltage Rating 20-8 Effects of Frequency in a Capacitive Circuit 20-9 Series Capacitors 20-10 Parallel Capacitors Summary Review Questions Practice Problems Unit 21: Resistive-Capacitive Series Circuits 21-1 Resistive-Capacitive Series Circuits 21-2 Impedance 21-3 Total Current 21-4 Voltage Drop across the Resistor 21-5 True Power 21-6 Capacitance 21-7 Voltage Drop across the Capacitor 21-8 Total Voltage 21-9 Reactive Power 21-10 Apparent Power 21-11 Power Factor 21-12 Angle Theta Summary Review Questions Practice Problems Unit 22: Resistive-Capacitive Parallel Circuits 22-1 Operation of RC Parallel Circuits 22-2 Calculating Circuit Values Summary Review Questions Practice Problems Section 8: AC Circuits Containing Resistance-Inductance-Capacitance Unit 23: Resistive-Inductive-Capacitive Series Circuits 23-1 RLC Series Circuits 23-2 Series Resonant Circuits Summary Review Questions Practice Problems Unit 24: Resistive-Inductive-Capacitive Parallel Circuits 24-1 RLC Parallel Circuits 24-2 Parallel Resonant Circuits Summary Review Questions Practice Problems Unit 25: Surge, Spike, and Lightning Protection 25-1 Surges and Spikes 25-2 Capacitors 25-3 Capacitor Charge Rate 25-4 Inductors 25-5 Isolation Transformers 25-6 Electrical Noise 25-7 Metal-Oxide Varistor (MOV) 25-8 Thermal Fuses 25-9 Surge Protector Ratings 25-10 Lightning Arresters Summary Review Questions Section 9: Three-Phase Power Unit 26: Three-Phase Circuits 26-1 Three-Phase Circuits 26-2 Wye Connections 26-3 Delta Connections 26-4 Three-Phase Power 26-5 Watts and VARs 26-6 Three-Phase Circuit Calculations 26-7 Load 3 Calculations 26-8 Load 2 Calculations 26-9 Load 1 Calculations 26-10 Alternator Calculations 26-11 Power Factor Correction Summary Review Questions Practice Problems Section 10: Transformers Unit 27: Single-Phase Transformers 27-1 Single-Phase Transformers 27-2 Isolation Transformers 27-3 Autotransformers 27-4 Transformer Polarities 27-5 Voltage and Current Relationships in a Transformer 27-6 Testing the Transformer 27-7 Transformer Nameplates 27-8 Determining Maximum Current 27-9 Transformer Impedance Summary Review Questions Practice Problems Unit 28: Three-Phase Transformers 28-1 Three-Phase Transformers 28-2 Closing a Delta 28-3 Three-Phase Transformer Calculations 28-4 Open-Delta Connection 28-5 Single-Phase Loads 28-6 Closed Delta with Center Tap 28-7 Closed Delta without Center Tap 28-8 Delta-Wye Connection with Neutral 28-9 T-Connected Transformers 28-10 Scott Connection 28-11 Zig-Zag Connection 28-12 Six-Phase Transformer Connections 28-13 The Double-Delta Connection 28-14 The Double-Wye Connection Summary Review Questions Practice Problems Section 11: DC Machines Unit 29: DC Generators 29-1 What Is a Generator? 29-2 Armature Windings 29-3 Brushes 29-4 Pole Pieces 29-5 Field Windings 29-6 Series Generators 29-7 Shunt Generators 29-8 Compound Generators 29-9 Compounding 29-10 Countertorque 29-11 Armature Reaction 29-12 Setting the Neutral Plane 29-13 Paralleling Generators Summary Review Questions Unit 30: DC Motors 30-1 DC Motor Principles 30-2 Shunt Motors 30-3 Series Motors 30-4 Compound Motors 30-5 Terminal Identification for DC Motors 30-6 Determining the Direction of Rotation of a DC Motor 30-7 Speed Control 30-8 The Field-Loss Relay 30-9 Horsepower 30-10 Brushless DC Motors 30-11 Converters 30-12 Permanent Magnet Motors 30-13 The Right-Hand Motor Rule Summary Review Questions Section 12: AC Machines Unit 31: Three-Phase Alternators 31-1 Three-Phase Alternators 31-2 The Rotor 31-3 The Brushless Exciter 31-4 Alternator Cooling 31-5 Frequency 31-6 Output Voltage 31-7 Paralleling Alternators 31-8 Sharing the Load 31-9 Field-Discharge Protection Summary Review Questions Unit 32: Three-Phase Motors 32-1 Three-Phase Motors 32-2 The Rotating Magnetic Field 32-3 Connecting Dual-Voltage Three-Phase Motors 32-4 Squirrel-Cage Induction Motors 32-5 Wound-Rotor Induction Motors 32-6 Synchronous Motors 32-7 Selsyn Motors Summary Review Questions Unit 33: Single-Phase Motors 33-1 Single-Phase Motors 33-2 Split-Phase Motors 33-3 Resistance-Start Induction-Run Motors 33-4 Capacitor-Start Induction-Run Motors 33-5 Dual-Voltage Split-Phase Motors 33-6 Determining the Direction of Rotation for Split-Phase Motors 33-7 Capacitor-Start Capacitor-Run, or Permanent Split Capacitor, Motors 33-8 Shaded-Pole Induction Motors 33-9 Multispeed Motors 33-10 Repulsion-Type Motors 33-11 Construction of Repulsion Motors 33-12 Repulsion-Start Induction-Run Motors 33-13 Repulsion-Induction Motors 33-14 Single-Phase Synchronous Motors 33-15 Stepping Motors 33-16 Universal Motors Summary Review Questions Unit 34: Motor Installation 34-1 Motor Full-Load Current 34-2 Single-Phase AC Motors 34-3 Three-Phase Motors 34-4 Determining Conductor Size for a Single Motor 34-5 Termination Temperature 34-6 Overloads 34-7 Sizing Overload Heaters for Large Motors 34-8 Motor Starter Size 34-9 Short-Circuit Protection 34-10 Multiple Motor Calculations Summary Review Questions Practice Problems Unit 35: Harmonics 35-1 What Are Harmonics? Summary Review Questions Appendix A: Identifying the Leads of a Three-Phase, Wye-Connected, Dual-Voltage Motor Appendix B: AC Formulas Appendix C: Greek Alphabet Appendix D: Metals Appendix E: Scientific Notation Appendix F: Answers to Practice Problems Glossary Index [Show More]

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