TERMINAL OBJECTIVE - h1011v4_19
AC MOTOR THEORY
Figure 1 Three-Phase Stator
Figure 2 Rotating Magnetic Field
AC Motors
Torque Production - h1011v4_25
Torque Production - h1011v4_26
Torque - h1011v4_27
AC Motor Theory Summary
AC MOTOR TYPES
Figure 5 Squirrel-Cage Induction Rotor
Single-Phase AC Induction Motors
Synchronous Motors
Starting a Synchronous Motor
Field Excitation - h1011v4_34
AC Motor Types Summary
ELECTRICAL SCIENCE Module 13 Transformers
TABLE OF CONTENTS - h1011v4_39
LIST OF FIGURES - h1011v4_40
LIST OF TABLES - h1011v4_41
REFERENCES - h1011v4_42
TERMINAL OBJECTIVE - h1011v4_43
TRANSFORMER THEORY
Turns Ratio
Theory of Operation - h1011v4_47
Figure 1 Core-Type Transformer
Voltage Ratio - h1011v4_49
Voltage Ratio - h1011v4_50
Current Ratio
Three-Phase Transformer Connections
Combinations of Delta and Wye Transformer Connections
TABLE 1: Voltage and Current Ratings of Transformers
Transformer Losses and Efficiency - h1011v4_55
Transformer Losses and Efficiency - h1011v4_56
Transformer Operation Under No-Load
Coil Polarity
Figure 7 Polarity of Transformer Coils
Transformer Theory Summary
TRANSFORMER TYPES
Control Transformer
Instrument Potential Transformer
Transformer Types Summary
ELECTRICAL SCIENCE Module 14 Test Instruments & Measuring Devices
TABLE OF CONTENTS - h1011v4_67
TABLE OF CONTENTS (Cont.) - h1011v4_68
LIST OF FIGURES - h1011v4_69
REFERENCES - h1011v4_71
TERMINAL OBJECTIVE - h1011v4_72
METER MOVEMENTS
Electrodynamometer Movement
Moving Iron Vane Movement
Meter Movement Summary
VOLTMETERS
Voltmeter - h1011v4_78
Voltmeter - h1011v4_79
Voltmeter - h1011v4_80
Voltmeter Summary
AMMETERS
Ammeter - h1011v4_83
Ammeter - h1011v4_84
Ammeter - h1011v4_85
Ammeter Summary
OHM METERS
Ohm Meter - h1011v4_88
Ohm Meter - h1011v4_89
Ohm Meter - h1011v4_90
Ohm Meter Summary
WATTMETERS
Three-Phase Wattmeter
Wattmeter Summary
OTHER ELECTRICAL MEASURING DEVICES
Power Factor Meter
Figure 15 Simple Ohm Meter Ground Detector
Synchroscope
Measuring Devices Summary
TEST EQUIPMENT
Figure 17 Simple Megger Circuit Diagram
Test Equipment Summary
ELECTRICAL SCIENCE Module 15 Electrical Distribution Systems
TABLE OF CONTENTS - h1011v4_105
TABLE OF CONTENTS (Cont.) - h1011v4_106
LIST OF FIGURES - h1011v4_107
REFERENCES - h1011v4_109
TERMINAL OBJECTIVE - h1011v4_110
ENABLING OBJECTIVES (Cont.) - h1011v4_111
SYSTEM COMPONENTS AND PROTECTION DEVICES
Figure 1 One-Line Distribution Diagram
Failure-Free Power
Overlapping Protective Zones
Fuses
System Components and Protection Devices Summary
CIRCUIT BREAKERS - h1011v4_119
Figure 5 Cutaway View of Molded Case Circuit Breaker
Circuit Breakers - h1011v4_121
Figure 6 Large Air Circuit Breaker
High-Voltage Circuit Breakers
Figure 7 Simple Circuit Breaker Control Circuit Breaker Open
Figure 8 Simple Circuit Breaker Control Circuit Breaker Closed
Circuit Breaker Summary
MOTOR CONTROLLERS
Magnetic Controller
Figure 10 Typical Three-Phase Magnetic Controller
Motor Controller Types and Operation
LVR Controller Operation
Motor Controllers Summary
WIRING SCHEMES AND GROUNDING
Terminology - h1011v4_134
Figure 15 Three-Phase To Single-Phase Connections
Three-Phase Wiring Schemes
4-Wire, Three-Phase Delta System
Figure 18 4-Wire Delta System
Summary - h1011v4_139
Wiring Schemes And Grounding Summary
CONCLUDING MATERIAL - h1011v4_141
AC MOTOR THEORY
Figure 1 Three-Phase Stator
Figure 2 Rotating Magnetic Field
AC Motors
Torque Production - h1011v4_25
Torque Production - h1011v4_26
Torque - h1011v4_27
AC Motor Theory Summary
AC MOTOR TYPES
Figure 5 Squirrel-Cage Induction Rotor
Single-Phase AC Induction Motors
Synchronous Motors
Starting a Synchronous Motor
Field Excitation - h1011v4_34
AC Motor Types Summary
ELECTRICAL SCIENCE Module 13 Transformers
TABLE OF CONTENTS - h1011v4_39
LIST OF FIGURES - h1011v4_40
LIST OF TABLES - h1011v4_41
REFERENCES - h1011v4_42
TERMINAL OBJECTIVE - h1011v4_43
TRANSFORMER THEORY
Turns Ratio
Theory of Operation - h1011v4_47
Figure 1 Core-Type Transformer
Voltage Ratio - h1011v4_49
Voltage Ratio - h1011v4_50
Current Ratio
Three-Phase Transformer Connections
Combinations of Delta and Wye Transformer Connections
TABLE 1: Voltage and Current Ratings of Transformers
Transformer Losses and Efficiency - h1011v4_55
Transformer Losses and Efficiency - h1011v4_56
Transformer Operation Under No-Load
Coil Polarity
Figure 7 Polarity of Transformer Coils
Transformer Theory Summary
TRANSFORMER TYPES
Control Transformer
Instrument Potential Transformer
Transformer Types Summary
ELECTRICAL SCIENCE Module 14 Test Instruments & Measuring Devices
TABLE OF CONTENTS - h1011v4_67
TABLE OF CONTENTS (Cont.) - h1011v4_68
LIST OF FIGURES - h1011v4_69
REFERENCES - h1011v4_71
TERMINAL OBJECTIVE - h1011v4_72
METER MOVEMENTS
Electrodynamometer Movement
Moving Iron Vane Movement
Meter Movement Summary
VOLTMETERS
Voltmeter - h1011v4_78
Voltmeter - h1011v4_79
Voltmeter - h1011v4_80
Voltmeter Summary
AMMETERS
Ammeter - h1011v4_83
Ammeter - h1011v4_84
Ammeter - h1011v4_85
Ammeter Summary
OHM METERS
Ohm Meter - h1011v4_88
Ohm Meter - h1011v4_89
Ohm Meter - h1011v4_90
Ohm Meter Summary
WATTMETERS
Three-Phase Wattmeter
Wattmeter Summary
OTHER ELECTRICAL MEASURING DEVICES
Power Factor Meter
Figure 15 Simple Ohm Meter Ground Detector
Synchroscope
Measuring Devices Summary
TEST EQUIPMENT
Figure 17 Simple Megger Circuit Diagram
Test Equipment Summary
ELECTRICAL SCIENCE Module 15 Electrical Distribution Systems
TABLE OF CONTENTS - h1011v4_105
TABLE OF CONTENTS (Cont.) - h1011v4_106
LIST OF FIGURES - h1011v4_107
REFERENCES - h1011v4_109
TERMINAL OBJECTIVE - h1011v4_110
ENABLING OBJECTIVES (Cont.) - h1011v4_111
SYSTEM COMPONENTS AND PROTECTION DEVICES
Figure 1 One-Line Distribution Diagram
Failure-Free Power
Overlapping Protective Zones
Fuses
System Components and Protection Devices Summary
CIRCUIT BREAKERS - h1011v4_119
Figure 5 Cutaway View of Molded Case Circuit Breaker
Circuit Breakers - h1011v4_121
Figure 6 Large Air Circuit Breaker
High-Voltage Circuit Breakers
Figure 7 Simple Circuit Breaker Control Circuit Breaker Open
Figure 8 Simple Circuit Breaker Control Circuit Breaker Closed
Circuit Breaker Summary
MOTOR CONTROLLERS
Magnetic Controller
Figure 10 Typical Three-Phase Magnetic Controller
Motor Controller Types and Operation
LVR Controller Operation
Motor Controllers Summary
WIRING SCHEMES AND GROUNDING
Terminology - h1011v4_134
Figure 15 Three-Phase To Single-Phase Connections
Three-Phase Wiring Schemes
4-Wire, Three-Phase Delta System
Figure 18 4-Wire Delta System
Summary - h1011v4_139
Wiring Schemes And Grounding Summary
CONCLUDING MATERIAL - h1011v4_141
