EASA Part 66 Module 3 PDF

Last updated on January 7th, 2022 at 02:27 pm

Easa part 66 module 3 pdf.

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EASA Part 66 Module 3 Electrical Fundamentals Question Exam

Sample – Electrical Exams ( 40 questions 30 min),
Category A – Electrical Exams ( 20 questions 25 min),
Category B1 – Electrical Exams ( 52 questions 65 min),
Category B2 – Electrical Exams ( 52 questions 65 min),
Category B3 – Electrical Exams ( 24 questions 30 min),

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Module 3: Electrical Fundamentals

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EASA Part 66 Module 3 Content:

Electron Theory
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.

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Aircraft Electrical System

Last updated on January 7th, 2022 at 02:27 pm

Aircraft Electrical System

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Electrical Fundamentals (6052 Questions)

Sample   –  Electrical Exams ( 40 questions 30 min),
Category A   –  Electrical Exams ( 20 questions 25 min),
Category B1 –  Electrical Exams ( 52 questions 65 min),
Category B2 – Electrical Exams ( 52 questions 65 min),
Category B3 – Electrical Exams ( 24 questions 30 min),

easa_part_66_academy Ch09

Chapter 01: Aircraft Structures (70 pages),
Chapter 02: Aerodynamics, Aircraft Assembly, and Rigging (70 pages),
Chapter 03: Aircraft Fabric Covering ( 24 pages),
Chapter 04: Aircraft Metal Structural Repair ( 114pages),
Chapter 05: Aircraft Welding ( 38 pages),
Chapter 06: Aircraft Wood and Structural Repair ( 28 pages),
Chapter 07: Advanced Composite Material ( 58 pages),
Chapter 08: Aircraft Painting and Finishing ( 22 pages),
Chapter 09: Aircraft Electrical System ( 106 pages),
Chapter 10: Aircraft Instrument Systems (86pages),
Chapter 11: Communication and Navigation (78 pages),
Chapter 12: Hydraulic and Pneumatic Power Systems (54 pages),
Chapter 13: Aircraft Landing Gear Systems (96 pages),
Chapter 14: Aircraft Fuel System (62 pages),
Chapter 15: Ice and Rain Protection (32 pages),
Chapter 16: Cabin Environmental Control Systems (62 pages),
Chapter 17: Fire Protection Systems (22 pages),

Introduction

aircraft electrical system substituting flow (AC) electrical frameworks are found on most multi-motor, elite turbine fueled airplane and transport class airplane. Air conditioning is a similar kind of power utilized in industry and to control our homes. Direct current (DC) is utilized on frameworks that must be good with battery power, for example, on light airplane and cars. There are numerous advantages of AC power when chosen over DC power aircraft electrical system for airplane electrical frameworks.
Air conditioning can be transmitted over long separations all the more promptly what’s more, more financially than DC, since AC voltages can be expanded or diminished by methods for transformers. Since an ever increasing number of units are being worked electrically in planes, the force prerequisites are with the end goal that various focal points can be acknowledged by utilizing AC (particularly with huge
transport class airplane). Space and weight can be spared since AC gadgets, particularly engines, are littler and more straightforward than DC gadgets. In most AC engines, no brushes are required, also, they require less upkeep than DC engines. Circuit breakers work acceptably under burdens at high heights in an AC framework, though arcing is so over the top on DC frameworks that circuit breakers must be supplanted oftentimes. At last, most planes utilizing a 24-volt DC framework have uncommon hardware that requires a specific measure of 400 cycle AC current. For these airplane, a unit called an inverter is utilized to change DC to AC. Inverters are examined later right now aircraft electrical system.
Air conditioning is continually changing in worth and extremity, or as the name suggests, rotating. Figure 9-12 shows a realistic examination of DC and AC. The extremity of DC never changes, and the extremity and voltage continually change in
Air conditioning. It ought to likewise be noticed that the AC cycle rehashes at given interims. With AC, both voltage and current beginning at zero, increment, arrive at a pinnacle, at that point decline and switch extremity.
In the event that one is to diagram this idea, it turns out to be anything but difficult to see the rotating wave structure. This wave structure is commonly alluded to as a sine wave aircraft electrical system.
There are three estimations of AC that apply to both voltage and current. These qualities help to characterize the sine wave and are called prompt, top, and viable. It ought to be noted that during the dialog of these terms, the content alludes to voltage. In any case, recollect, the qualities apply to voltage and current in all AC circuits.

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easa part 66 module 3

EASA Part 66 Module 3 PDF

Easa part 66 module 3 pdf.

Electricity Book Sample Pages

Book Store.

EASA Part 66 Module 3 Electrical Fundamentals Question Exam

Module 3: Electrical Fundamentals

EASA Part 66 Module 3 Content:

Aircraft Electrical System

Aircraft Electrical System

Electrical Fundamentals (6052 Questions)

Introduction

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