EASA Module 03
Electrical Fundamentals
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This book covers basic electrical systems and concepts for the aviation maintenance technician, From basic theory to AC and DC generators and motors, each topic is explained in step by step detail. You will learn by understanding concepts, not just rote memorization and you will learn how and why each skill is useful in the day-day tasks of the aircraft technician in an aviation maintenance environment.
This book is fully compliant as EASA Part 66 module 3 for B1 and B2 licenses and has been given approvals by numerous EASA based civil aviation authorities.
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TABLE OF CONTENTS:
Structure and distribution of charges within atoms, molecules, ions, and compounds; structure of conductors, semiconductors, and insulators.
Static electricity and Conduction
Distribution of electrostatic charges; electrostatic laws of attraction and repulsion; units of charge; Coulomb's law.
Electrical Terminology
The following terms, their units, and factors affecting them; potential difference, electromagnetic force, voltage, current, resistance, conductance, charge, conventional current flow, electron flow.
Generation of Electricity
Production by the following methods; light, heat, friction, pressure, chemical action, magnetism, motion.
DC Sources of Electricity
Ohm's law, Kirchoff's voltage and current laws; calculations to find resistance, voltage, and current; internal resistance of a supply.
Resistance
Affecting factors; specific resistance; color code values and tolerance; preferred values; wattage ratings; resistors in series and parallel; calculations of total resistance; operation of potentiometers and rheostats; operation of Wheatstone Bridge; temperature coefficient conductance; fixed resistors; stability; tolerance; methods of construction; variable resistors; thermistors; voltage dependent resistors
Power
Power, work, and energy; dissipation by a resistor; power formula; calculations.
Capacitance/Capacitors
Area of plates, distance between plates; dielectric constant; working voltage; capacitor types; color coding; calculations of capacitance in series and parallel; exponential charge and discharge; time constants; testing of capacitors.
Magnetism
Theory of magnetism; properties of a magnet; earth's magnetic field; demagnetization; magnetic shielding; magnetic materials; electromagnet construction and operation; rules to determine magndetic field around conductors; magnetic force, strength, flux density, permeability, hysteresis, retentivity, saturation point, eddy currents; care and storage of magnets.
Inductance
Faraday's law; inducing a voltage; induction principles; mutual inductance; rate of change and mutual inductance; factors affecting inductance, number of turns, size, permeability and position of coils; Lenz's Law; back EMF; self induction; saturation point; uses of inductors.
DC Motor/Generation Theory
basic motor and generation theory; components in DC generator; output and generation of current flow; faxctors affecting output, torque, speed and direction of rotation.
AC Theory
Sinusoidal waveform; current values and calculations; triangular square waves; single/3 phase principles.
Resistive, Capacitive, and Inductive Circuits
phase relationship of voltage and current in parallel and series; power dissipation; impedance, pahase angle, power factor, and current calculations; true power, apparent power and reactive power calculations.
Transformers
construction, principles, and operation; transformer losses; action under load and no-load conditions; power transfer and efficiency; calculation of line and phase voltages; calculation in a 3 phase system; primary and secondary circuits; auto transformers.
Filters
Operation, application and uses of low pass, high pass, band pass, and band stop filters.
AC Generators
Rotation of loop in a magnetic field; revolving armatures and field type AC generators; 1, 2, and 3 phase alternators; 3 phase star and delta connections; permanent magnet generators.
AC Motors
AC synchronous and induction motors, single and polyphase; methods of speed control and direction of rotation; methods of producing a rotating field capacitor, inductor, shaded or split pole.
The purchase of this manual includes a free two year revision service subscription. To enter your subscription, simply click into the web page listed on the first page of the book and enter your name and email. For two years, if any change or update occurs in this book, you will receive by email a free printable .pdf file of those pages that were revised.
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Electrical Fundamentals for... | Jan 12, 2015 | Usama | Lahore Pu PK | |
Excellent book to study for Aircraft Engineering! Well written and amazingly organized topics! more... |
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