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TERMINAL OBJECTIVEAC MOTOR THEORY
* Figure 1 Three-Phase Stator
* Figure 2 Rotating Magnetic Field
* AC Motors
* Torque Production
* Torque Production
* Torque
* 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
* AC Motor Types Summary
ELECTRICAL SCIENCE Module 13 Transformers
* TABLE OF CONTENTS
* LIST OF FIGURES
* LIST OF TABLES
* REFERENCES
* TERMINAL OBJECTIVE
TRANSFORMER THEORY
* Turns Ratio
* Theory of Operation
* Figure 1 Core-Type Transformer
* Voltage Ratio
* Voltage Ratio
* 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
* Transformer Losses and Efficiency
* 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
* TABLE OF CONTENTS (Cont.)
* LIST OF FIGURES
* REFERENCES
* TERMINAL OBJECTIVE
METER MOVEMENTS
* Electrodynamometer Movement
* Moving Iron Vane Movement
* Meter Movement Summary
VOLTMETERS
* Voltmeter
* Voltmeter
* Voltmeter
* Voltmeter Summary
AMMETERS
* Ammeter
* Ammeter
* Ammeter
* Ammeter Summary
OHM METERS
* Ohm Meter
* Ohm Meter
* Ohm Meter
* 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
* TABLE OF CONTENTS (Cont.)
* LIST OF FIGURES
* REFERENCES
* TERMINAL OBJECTIVE
* ENABLING OBJECTIVES (Cont.)
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
* Figure 5 Cutaway View of Molded Case Circuit Breaker
* Circuit Breakers
* 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
* 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
* Wiring Schemes And Grounding Summary
* CONCLUDING MATERIAL
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