EASA Module 3 - Electrical Fundamentals - Aircraft Maintenance Technician Certification Series

✍ Scribed by Aircraft Technical Book Company

• Publisher: Aircraft Technical Book Company
• Year: 2016
• Tongue: English
• Leaves: 238
• Edition: 3
• Category: Library

✦ Table of Contents

Electrical Fundamentals EASA Module 03
Contents
Welcome
Revision Log
Forward
Sub-Module 01
Electron Theory
Knowledge Requirements
Electricity And Electronics
General Composition Of Matter
Matter
Elements
Compounds
Molecules
Atoms
Electrons, Protons, And Neutrons
Electron Shells And
Energy Levels
Ions
Free Electrons
Electron Movement
Conductors
Insulators
Semiconductors
Questions
Answers
Sub-Module 02
Static Electricity and Conduction
Knowledge Requirements
Static Electricity
Attractive And Repulsive Forces
Units Of Charge
Electrostatic Field
ESD Considerations
Conduction Of Electricity
Questions
Answers
Sub-Module 03
Electrical Terminology
Knowledge Requirements
SI Prefixes Used For Electrical Calculations
Conventional Flow And Electron Flow
Conventional Flow
Electromotive Force (Voltage)
Current
Resistance
Questions
Answers
Sub-Module 04
Generation of Electricity
Knowledge Requirements
Sources of Electricity
Pressure Source
Chemical Source
Thermal Sources
Light Sources
Friction
Magnetism and Motion
Questions
Answers
Sub-Module 05
DC Sources of Electricity
Knowledge Requirements
Batteries
Primary Cell
Secondary Cell
Battery Ratings
Life Cycle Of A Battery
Lead-Acid Battery Testing Methods
Lead-Acid Battery Charging Methods
Nickel-Cadmium Batteries
Chemistry and Construction
Operation of Nickel-Cadmium Cells
General Maintenance and Safety Precautions
Sealed Lead Acid Batteries
Thermocouples
Photo-Cells
Questions
Answers
Sub-Module 06
DC Circuits
Knowledge Requirements
Series DC Circuits
Introduction
Voltage Drops and Further Application of Ohm's Law
Voltage Sources in Series
Kirchhoff's Voltage Law
Voltage Dividers
Determining the Voltage Divider Formula
Parallel DC Circuits
Overview
Voltage Drops
Total Parallel Resistance
Resistors in Parallel
Two Resistors in Parallel
Current Source
Kirchhoff's Current Law
Current Dividers
Series-Parallel DC Circuits
Overview
Determining the Total Resistance
Questions
Answers
Sub-Module 07
Resistance/Resistor
Knowledge Requirements
Ohm's Law (Resistance)
Resistance of a Conductor
Factors Affecting Resistance
Resistance and Its Relation to Wire Sizing
Circular Conductors(Wires/Cables)
Rectangular Conductors(Bus Bars)
Types of Resistors
Fixed Resistor
Carbon Composition
Resistor Ratings
Wire Wound
Variable Resistors
Rheostat
Potentiometer
Linear Potentiometers
Tapered Potentiometers
Thermistors
PhotoConductive Cells
Wheatstone Bridge
Questions
Answers
Sub-Module 08
Power
Knowledge Requirements
Power and Energy
Power in an Electrical Circuit
Power Formulas Used in the Study of Electricity
Power in a Series and Parallel Circuit
Energy in an Electrical Circuit
Questions
Answers
Sub-Module 09
Capacitance/Capacitor
Knowledge Requirements
Capacitance
Capacitors in Direct Current
The RC Time Constant
Units of Capacitance
Voltage Rating of a Capacitor
Factors Affecting Capacitance
Types of Capacitors
Fixed Capacitors
Mica Capacitors
Ceramic
Electrolytic
Tantalum
Polyester Film
Oil Capacitors
Variable Capacitors
Trimmers
Varactors
Capacitors in Series
Capacitors in Parallel
Capacitors in Alternating Current
Capacitive Reactance Xc
Capacitive Reactances in Series and in Parallel
Phase of Current and Voltage in Reactive Circuits
Testing Capacitors
Questions
Answers
Sub-Module 10
Magnetism
Knowledge Requirements
Magnetism
Magnetic Properties and the Hysteresis Loop
Eddy Currents
Types of Magnets
Care and Storage of Magnets
Electromagnetism
Questions
Answers
Sub-Module 11
Inductance/Inductor
Knowledge Requirements
Inductance
Characteristics of Inductance
The RL Time Constant
Physical Parameters
Self-Inductance
Mutual Induction
Types of Inductors
Units of Inductance
Inductors in Series
Inductors in Parallel
Inductive Reactance
Questions
Answers
Sub-Module 12
DC Motor/Generator Theory
Knowledge Requirements
DC Generators and Controls
Generators
Armature Reaction
Compensating Windings
Interpoles
Armature Resistance
Construction Features of DC Generators
Field Frame
Armature
Gramme-Ring Armature
Drum-Type Armature
Commutators
Types of DC generators
Series Wound DC Generators
Parallel (Shunt) Wound DC Generators
Compound Wound DC Generators
Generator Ratings
DC Generator Maintenance
DC Motors
Force between Parallel Conductors
Developing Torque
Basic DC Motor
DC Motor Construction
Armature Assembly
Field Assembly
Brush Assembly
End Frame
Types of DC Motors
Series DC Motor
Shunt DC Motor
Compound DC Motor
Counter Electromotive Force (EMF)
Types of Duty
Reversing Motor Direction
Motor Speed
Energy Losses in DC Motors
Inspection And Maintenance Of DC Motors
Electric Starting Systems And Starter Generator Starting System
Troubleshooting a Starter Generator Starting System
Questions
Answers
Sub-Module 13
AC Theory
Knowledge Requirements
Alternating Current and Voltage
Generator Principles
Generators of Alternating Current
Cycle Defined
Frequency Defined
Period Defined
Wavelength Defined
Phase Relationships
In Phase Condition
Out of Phase Condition
Values of Alternating Current
Instantaneous Value
Peak Value
Effective Value
Triangular/Square Waves
Questions
Answers
Sub-Module 14
Resistive (R), Capacitive (C) and Inductive (L) Circuits
Knowledge Requirements
AC Circuits
Ohm's Law for AC Circuits
Series AC Circuits
Parallel AC Circuits
Resonance
Power in AC Circuits
True Power Defined
Apparent Power Defined
Questions
Answers
Sub-Module 15
Transformers
Knowledge Requirements
Transformers
Current Transformers
Transformer Losses
Core Losses
Copper Losses
Transformer Action
Power in Transformers
Power Calculations
Questions
Answers
Sub-Module 16
Filters
Knowledge Requirements
Filtering
Filtering Characteristics of Capacitors
Filtering Characteristics of Inductors
Common Filter Configurations
Basic LC Filters
Low-Pass Filter
High-Pass Filter
Band-Pass Filter
Band-Stop Filter
Questions
Answers
Sub-Module 17
AC Generators
Knowledge Requirements
Alternators
Alternators & Classifications
Method of Excitation
Number of Phases
Armature or Field Rotation
Single Phase Alternator
Two Phase Alternator
Three Phase Alternator
Wye Connection (Three Phase)
Delta Connection (Three Phase)
Alternator Rectifier Unit
Brushless Alternator
Alternator Rating
Alternator Frequency
Alternator Maintenance
Regulation of Generator Voltage
Voltage Regulation with a Vibrating-Type Regulator
Three Unit Regulators
Differential Relay Switch
Overvoltage and Field Control Relays
Generator Control Units (GCU)
Voltage Regulation
Overvoltage Protection
Parallel Generator Operations
Over-Excitation Protection
Differential Voltage
Reverse Current Sensing
Alternator Constant Speed Drive System
Hydraulic Transmission
Voltage Regulation of Alternators
Alternator Transistorized Regulators
Inverters
Rotary Inverters
Permanent Magnet Rotary Inverter
Inductor-Type Rotary Inverter
Static Inverters
Questions
Answers
Sub-Module 18
AC Motors
Knowledge Requirements
AC Motors
Types of AC Motors
Three Phase Induction Motor
Rotating Magnetic Field
Construction of Induction Motor
Induction Motor Slip
Single Phase Induction Motor
Shaded Pole Induction Motor
Split Phase Motor
Capacitor Start Motor
Direction of Rotation of Induction Motors
Synchronous Motor
AC Series Motor
Maintenance of AC Motors
Questions
Answers
Acronym Index
Index