Download AV 15033 – Aircraft Electricity I

ANC – AMT General Program
AV 15033 – Aircraft Electricity I
Course Description/Overview
This course will provide a thorough introduction to AC and DC electricity. Students will learn to calculate
and measure volts, amperes, and ohms, to build and analyze circuits, and to use electrical schematics in
relation to aircraft applications.
Course Learning Objectives
Students will be able to accomplish the following:
1.
2.
3.
4.
5.
Calculate and measure capacitance and inductance. (Level 3)
Calculate and measure electrical power. (Level 2)
Measure voltage, current, resistance, and continuity. (Level 3)
Determine the relationship of voltage, current, and resistance in electrical circuits. (Level 3)
Read and interpret aircraft electrical circuit diagrams, including solid-state devices and logic
functions. (Level 3)
6. Inspect and service batteries. (Level 3)
7. Teach basic concepts of aircraft electronics, including digital electronics and operational
principles. (Level 1)
Course Resources
EQUIPMENT & AIDS: A classroom equipped with an overhead projector and a video player available.
Classroom presentation will involve lecture, and the use of selected videotapes, and overhead
transparencies. Training will be conducted in the aeronautic laboratories or shops and on the aircraft as
appropriate.
Required Course Text
A & P Technician General Textbook
Jeppessen
A & P Technician Airframe Textbook
Jeppessen
A & P Technician Powerplant Textbook
Jeppessen
2010 FAR Handbook for Aviation Maintenance Technicians
Jeppessen
AC43.13-1B/2A Acceptable Methods, Practices, &
Techniques: Aircraft Inspection, Repair & Alterations
Jeppessen
Handbook of Nondestructive Inspection and Testing
TXU 583-037
Rationale
This course will prepare students for the FAA General licensing tests under rule 14 CFR 147.
Grading System
Grading System
LETTER GRADE
90%
100%
B
80%
89%
C
70%
79%
F
Below 70%
WD
Withdraw
**
I
Incomplete
**
A
WD {withdraw}: Student is responsible to follow the proper “course withdrawal”
procedures as published in the current ANC catalog.
I {Incomplete}: Incomplete is given only when a student is unable to complete a segment of
the course because of circumstances beyond the student’s control. A grade of incomplete
may be given only when approved in writing by the instructor or Dean of Technical
Programs.
Grading Policy
Grades will be based on the following:
Shop / Lab Work
Mid-Term & Final Exams
Quizzes
Total Grade
50%
40%
10%
100%
Testing Policy
Periodic quizzes will be given at the judgment of the instructor to evaluate the students’ understanding of
subject matter. A mid-term test and final exam shall be given at the midpoint and completion of each
subject.
Course Policies

Students are expected to follow the code of conduct as set forth in the ANC catalog.

ALCOHOLIC BEVERAGES AND CONTROLLED SUBSTANCES ARE NOT PERMITTED ON SCHOOL
PREMISES. LITERATURE DISTRIBUTION, POLITICAL OR OTHERWISE, IS NOT ALLOWED
WITHOUT THE PRIOR APPROVAL OF THE INSTRUCTOR.

Students are expected to adhere to all safety instructions given by the instructor during shop
time. Any student who doesn’t not adhere to these safety rules will be given one (1) verbal
warning; followed by one (1) written warning for the 2nd offense; and, ejection from the shop
area pending disciplinary action.

For safety, there shall be no smoking in or near shop areas or any equipment located outside.

Cell phones, Blackberries, iPods, PDAs, or any other electronic devises are not to be used in the
classroom or shop during instructional time. Information exchanges on these devices
during classroom or shop time is also prohibited.
Course Outline
COURSE NAME
AV
Aircraft Electricity I
Basic Electricity
LEC
HRS
LAB
HRS
Total
Credit
Hours
35
35
70
3
35
35
70
BASIC ELECTRICITY
When the student completes this section they will be able to:
I.
II.
III.
IV.
V.
VI.
Intro to Electricity
a. Electron Flow – understand and map electron flow
b. Semiconductors understand what semiconductors are; how the work and where they are
used
c. Ions – how ions work in batteries to produce
d. Useful Work – define and apply the term “useful work”
e. Flow of Electricity- understand and be able to describe the flow of electricity in relation to
a circuit drawing
Types of Electricity
a. Static – describe what static electricity is and the dangers it poses to aircraft
b. Current – what is current electricity and what are the basic elements (amp, ohm, volt)
Production of Electricity
a. From Heat – describe how this is done and give an example of it
b. From Chemical Action - describe how this is done and give an example of it
c. From Pressure - describe how this is done and give an example of it
d. From Light - describe how this is done and give an example of it
e. From Magnetism - describe how this is done and give an example of it
Electrical Relationships
a. Ohm’s Law – be able to describe Ohm’s Law and solve examples of it
b. Metric Prefixes – know the basic metric prefixes (kilo, mega, milli, micro) and use them
to describe example numbers
Direct Current (DC) Electricity
a. Series Circuits – draw and describe a series circuit
b. Parallel Circuits - draw and describe a parallel circuit
c. Series-Parallel Circuits - draw and describe a series-parallel circuit
d. Kirchhoff’s Law – be able to describe Kirchhoff’s Law and solve examples of it
e. Two Power Source Circuits - apply Ohm’s Law and Kirchhoff’s Law to solve examples of
two-power source circuits
f. Bridge Circuits – describe and draw a bridge circuit
Alternating Current (AC) Electricity
a. Production & Use – describe how AC electricity is produced and benefits of it
b. Terms & Values
1. Amplitude – define amplitude and draw an example of it
2. Phase – define phase and describe its relationship between current and
voltage in AC circuits
3. Power – be able to find the true power calculation of given examples
c. Effects of Capacitance in AC Circuits
1. Capacitive Reactance – describe capacitive reactance and solve examples
2. Ohm’s Law for Capacitive Circuits - understand and solve examples
3. Series R-C Circuits – understand and solve examples
4. Parallel R-C Circuits - understand and solve examples
d. Effects of Inductance in AC Circuits
1. Self Induction – describe self induction including Lenz’s law
VII.
2. Inductive Reactance – mathematically solve examples
3. Phase Shift in Inductive Circuits – understand and draw an example of
phase shift in inductive circuits
4. Series R-C Circuits – mathematically solve examples of Series R-C circuits
5. Parallel R-C Circuits - mathematically solve examples of Parallel R-C
circuits
e. Circuits with Resistance, Inductance & Capacitance
1. Series R-C - mathematically solve examples of Series R-C circuits
2. Parallel R-C - mathematically solve examples of Parallel R-C circuits
f. Resonance
1. Series - mathematically solve examples
2. Parallel - mathematically solve examples
3. L-C Filters – understand and draw example of low-pass and high-pass
filter
g. Three – Phase Alternating Current – explain 3-phase AC and draw examples showing
difference between single-phase AC and 3-phase AC
Electrical Circuit Components
a. Instruments to Measure Electricity
1. Voltmeters – what does a voltmeter do and how do you apply it
2. Ammeters - what does a ammeter do and how do you apply it
3. Ohmmeters - what does a ohmmeter do and how do you apply it
b. Conductors – understand what conductors are and the relative resistance of common
conductors (silver, copper, gold, aluminum, brass, iron, constantan, nichrome)
c. Resistors – what are resistors and what are they used for; draw the various types of
resistor symbols as used in electrical schematics
1. Color Codes – Composition Resistors – know and apply the resistor color
codes given resistor examples
2. Wire-wound – describe wire-wound resistors
3. Variable – describe the 2 types of variable resistors and draw an
example of each
d. Switches – describe the various type of switches and be able to draw the common
electrical schematic symbols for them
e. Circuit Protection
1. Fuses – describe what fuses are and how to tell if they are good or not
2. Breakers – describe what breakers are, how they reset and what aircraft
“trip-free” breakers are.
f. Capacitors
1. Energy Stored in Capacitors – mathematically solve for examples
2. Series & Parallel - mathematically solve for examples and be able to
identify common electrical schematic symbols
3. Capacitive Time Constant - mathematically solve for examples
g. Inductors
1. Self Induction – what is self induction and describe factor that affect
inductance
2. Mutual Induction – be able to solve mutual induction example problems
3. Series & Parallel - be able to solve series & parallel induction example
problems
4. Inductive Time Constant - be able to solve time constant induction
example problems
5.
h. Transformers
1. Types – describe the types of transformers
2. Ratios – describe how ratios are calculated, solve for given examples
3. Phase – be able to describe a simple doorbell circuit
i.
Rectifiers – describe what a rectifier does and draw the common electrical schematic
symbol
VIII.
IX.
X.
XI.
Solid State Devices
a. Theory of Semiconductors – understand and explain the theory of semiconductors
b. Semiconductor Diodes – describe semiconductor diodes and draw the common electrical
schematic symbol and/or identify it in a drawing
c. Zener Diodes – know the use of Zener diodes and draw or identify the common
schematic symbol
d. Silicon Controlled Rectifiers - know the use of silicon controlled rectifiers and draw or
identify the common schematic symbol
e. Transistors
1. Bipolar – what is a bipolar transistor and identify or draw its common
schematic symbol
2. Field Effect – describe how FETs are different from bipolar transistors
f. Optoelectronic Devices
1. Light Emitting Diodes – describe LEDs and draw/identify their common
schematic symbol
2. Semiconductor Light Sensors
a. Photodiodes – describe and draw/identify their common
schematic symbol
b. Phototransistor - describe and draw/identify their common
schematic symbol
c. Photofets - describe and draw/identify their common schematic
symbol
d. Light Activated Silicone Controlled Rectifiers - describe and
draw/identify their common schematic symbol
e. Photo Resistors - describe and draw/identify their common
schematic symbol
f. Solar Cells - describe and draw/identify their common schematic
symbol
Integrated Circuits
a. Digital – describe each of the digital circuits (1-7) and draw/identify their common
schematic symbols
1. Buffer
2. Inverter
3. Three-State Buffer
4. Three-State Inverter
5. AND Gate
6. NAND Gate
7. NOR Gate
b. Linear/ Operational Amplifier – describe and draw/identify the common schematic symbol
Chemical Energy into Electricity
a. Simple Chemical Cell – describe how a simple chemical cell produces electricity
b. Primary Cells – describe how each of the primary cells (1-5) produces electricity including
any advantages or disadvantages of each
1. Carbon Zinc
2. Alkaline Manganese
3. Mercury
4. Silver Oxide
5. Lithium
c. Secondary Cells - describe how each of the secondary cells (1-2) produces electricity
including any advantages or disadvantages of each
1. Lead-Acid
2. Sintered-Plate Nickel-Cadmium
Aircraft Batteries
a. Lead- Acid – describe how AC lead acid batteries are rated
1. Charging- describe and demonstrate how to charge lead acid AC
batteries
2. Installation - describe and demonstrate how to install lead acid AC
batteries
b. Nickel-Cadmium – describe why Ni-Cad batteries are used in AC
1. Construction – describe the construction of Ni-Cad batteries
2. Servicing – describe and demonstrate Ni-Cad servicing
3. Thermal Runaway – describe this danger and how to prevent it
c.
XII.
XIII.
XIV.
XV.
Magnetism – describe the 2-types of magnetism (1-2) and how they produce electricity
1. Permanent
2. Electromagnet
Electrical Motors
a. Direct Current (DC) – describe DC motors and demonstrate how to apply the right-hand
rule for motors
1. Permanent Magnet DC – describe PMDC motors
2. Shunt-wound DC – describe and identify the common schematic symbol
3. Series –wound DC – describe and identify the common schematic symbol
4. Compound – wound DC - describe and identify the common schematic
symbol
b. Alternating Current (AC) Motors – describe the types of AC motors (1-4); how they
operate and identify their schematic symbols
1. Universal
2. Induction
a. Single Phase
b. Split Phase
c. Capacitor Start
d. Shaded-Pole
3. Repulsion
4. Three-Phase
Electrical Generators - understand how electrical generators work; apply the left-hand
rule
Aircraft Electrical Circuits – learn how to interpret an AC electrical schematic
a. Electric Retracting Landing Gear – describe the electrical schematic of electric retracting
landing gear system and identify the various schematic symbols and the components
they represent
b. Electric Fuel Valves - describe the electrical schematic of electric fuel valves system and
identify the various schematic symbols and the components they represent
Introduction to Aircraft Electronics