Basic Electricity Part II

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Basic Electricity Part II
Basic Electricity Part II
Notice to Student
Subcourse
This publication is provided for nonresident instruction only
Table of Contents
Table of Contents - Continued
Introduction
Important: Electronic Examination Information
Lesson 1. Resonance and Transience
Figure 1-1. Series Resonant Circuit
Resonant Frequency Formula.
Figure 1-3. Reactance and Frequency.
Figure 1-5. Resistance in an LCR Circuit.
Bandwidth.
Parallel
Power in the Parallel Resonant Circuit
Figure 1-9. Parallel Resonant Circuit with Generator (R).
Uses of Parallel Resonant Circuits.
Summary of Series and Parallel Resonance
Time Constants and Transience
RC Time Constants
Figure 1-14. RC Time Constant.
Discharging a Capacitor Through a Resistor.
Figure 1-16. Series RC Circuit.
Figure 1-18. Universal Exponential Curves for RC and RL Circuits.
Square Wave Applied to RC Circuits.
Figure 1-20. Sample RC Circuit.
Figure 1-21. Wave Shapes for Circuit in Figure 1-20.
The RL (LR) Circuit.
Figure 1-23. Voltages Across an RL Circuit.
RL Time Constants.
Square Wave Applied to RL Circuits.
Figure 1-25. RL Circuit at End of First Alternation.
Summation of RC and RL Circuits.
Review Exercises
Figure 1-27. Voltage Drop Across an RC or LR Circuit.
Figure 1-28. Frequency Band Pass.
Review Exercises - Continued
Figure 1-29. RC Circuit in Series.
Figure 1-31. Resonant Loader.
Figure 1-32. RL Circuit.
Lesson 2. Fliters
Operation
Low-Pass Filters
Figure 2-1. L-Section, Low-Pass Filter.
High-Pass Filters
Figure 2-4. Comparison of Filter Quality.
Figure 2-5. L-Section, High-Pass Filter
Transmission Characteristics.
Figure 2-9. L-Section, Band-Pass Filter
Figure 2-10. T-Section, Band-Pass Filter
Band-Rejection Filters
Figure 2-14. T-Section Band-Rejection Filter
Transmission Characteristics.
Review Exercises
Figure 2-17. T-Section Filter.
Review Exercises - Continued
Lesson 3. Generator and Motors
Classification of Generators.
Motors
Figure 3-4. Current-Carrying Conditions in a Magnetic Field.
Series DC Motor
Shunt Motor
Compound Motors
Reversing the Direction of Rotation.
Figure 3-10. Rotating-Field AC Generator.
Basic Functions of Generator Parts.
Figure 3-11. AC Generator.
Single-Phase Generators.
Figure 3-13. Two-Phase, Four-Pole AC Generator.
Figure 3-14. Three-Phase AC Generator.
Induction Motor
Synchronous Motors
Review Exercises
Figure 3-15. DC Shunt Motor.
Review Exercises - Continued
Review Exercises - Continued
Lesson 4. Transformers
Basic Principles
Transformer Ratios
Figure 4-3. Iron Core Transformer
Current Ratio.
Figure 4-4. 10-V Amps Transformer.
Figure 4-5. Step-Down Transformer.
Phase Relationships
Figure 4-7. Phase Relationship Across a Transformer
Mutual Inductance
Coefficient of Coupling
Figure 4-11. Canceling the Effect of Mutual Inductance.
Figure 4-13. Plotted Angle Affect on Coupling.
Figure 4-14. Section of Solid Iron Core.
Figure 4-16. Flux Density and Magnetomotive Force.
Power Transformers
Figure 4-19. Autotransformer.
Audio Transformers
Figure 4-21. Air Core Transformer.
Figure 4-23. Vector Diagram of Applied Frequency Higher than Tuned Frequency.
Saturable Transformers
Figure 4-26. Output Waveshape of a Saturable Transformer.
Saturable Transformers - Continued
Review Exercises
Figure 4-27. Transformer (Unity Coupling).
Review Exercises - Continued
Figure 4-28. Tuned Transformer.
Review Exercises - Continued
Exercise Solutions
Exercise Solutions - Continued
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Basic Electricity Part II

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