Course Title: Aircraft Electrics
Part B: Course Detail
Teaching Period: Term1 2012
Course Code: AERO5388
Course Title: Aircraft Electrics
School: 130T Engineering (TAFE)
Campus: City Campus
Program: C6011 - Advanced Diploma of Engineering (Aerospace)
Course Contact : Program Manager
Course Contact Phone: +61 3 9925 4468
Course Contact Email:firstname.lastname@example.org
Name and Contact Details of All Other Relevant Staff
Mr. Andrew Kim
Location: City, 57.5.20
Nominal Hours: 60
Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.
Pre-requisites and Co-requisites
AERO5384 Introduction to Aerospace
EEET6533 Aerospace Electronic Fundamentals 1
The purpose of this course is to provide basic training in aircraft electrics as a prerequisite for more advanced training required for employment as a para-professional technician.
This course provides the underpinning knowledge in power generation, control protection and utilisation in the form of alternating and direct current in an aerospace environment.
National Codes, Titles, Elements and Performance Criteria
National Element Code & Title:
VBH729 Aircraft Electrics
1. List aircraft electrical power requirements and the sources of DC and AC power.
2. Describe and explain the operation, cooling and regulation of aircraft DC generators.
3. Explain the operation of an aircraft DC generation system with component and system fault scenarios.
4. Describe the operation and control of aircraft AC alternators and compare AC and DC power sources.
5. Explain the operation of rectifiers, transformer rectifiers and inverters.
6. Explain the operation of DC and AC ground power supplies and describe the function of APUs.
7. List indicator light categories and corresponding colours, and explain the operation of a master(MWS) and central warning system (CWS).
8. Describe and explain the types and operation of power distribution busbars.
9. Describe and explain the operation of aircraft electrical circuit control switches and relays.
10. Describe and explain circuit protection devices used on aircraft and the operation of a generator control unit (GCU).
11. Describe and explain the construction and operation of electric motors used in aircraft systems.
12. Explain the operation of typical aircraft power utilisation systems.
13. Describe the construction and operation of smoke and toxic fume detection systems.
14. Explain the operation and constructional principles of aircraft fire detection and protection system.
15. Explain the purpose and operation of aircraft, ice, rain and demisting control system.
Details of Learning Activities
1.1 List aircraft electrical power requirements
1.2 List aircraft DC power sources (Generators and Batteries)
1.3 List aircraft AC power sources
2.1 Describe the principles of DC power generation
2.2 List the components in DC generators
2.3 State the function of the components in DC generators, including:
2.4 Describe the construction of the components in DC generators
2.5 Draw a labelled schematic diagram of a self-excited shunt-wound DC generator, incorporating interpole and compensating windings
2.6 Explain the operating principles and characteristics of aircraft self-excited shunt-wound DC generators
2.7 Describe the methods of cooling aircraft DC generators
2.8 Describe the correct method of "flashing the field" of shunt-wound generators
3.1 List the components of DC generating systems
3.2 State the purpose of the following DC system components:
ground fault relay
master generator switch
main line relay
reverse current relay
3.3 Explain the operation of the following DC generation system components:
carbon pile voltage regulator
electronic voltage regulator
ground fault relay
master generator switch
main line relay
reverse current relay
3.4 Explain the operation of an aircraft DC generation system by referring to a given schematic diagram
3.5 Explain the operation of an aircraft DC generation system with component and system fault scenarios
4.1 List the advantages and disadvantages of AC and DC as power sources within an aircraft electrical system
4.2 Define the following terms:
4.3 State the requirement for field excitation
4.4 Describe the method of controlling field strength
4.5 Describe the method of producing a three phase output from an aircraft AC alternator
4.6 Draw a circuit diagram representing star and delta connected systems
4.7 State the relationship between the voltage and current in star and delta connected systems
4.8 Describe the operation of frequency wild systems
4.9 Describe the principle of operation of constant frequency systems
4.10 State the function of constant frequency systems
4.11 State the requirement for constant speed drives (CSDs)
4.12 Describe the CSD operational modes
4.13 Explain the operation of brushless alternators by referring to a schematic diagram
5.1 Draw the symbol for a semiconductor rectifier
5.2 Describe the principle of operation of semiconductor rectifiers
5.3 Draw a schematic diagram for the following rectifier circuits:
half wave single phase
full wave centre tapped single phase
full wave bridge single phase
half wave three phase
full wave three phase
5.4 State the input requirements and the output products for an aircraft transformer rectifier unit
5.5 Explain the operation of a transformer rectifier unit by referring to a given schematic diagram
5.6 State the application of battery chargers including:
5.7 Explain the principle of operation of rotary inverters
5.8 Describe the method of voltage control used in rotary inverters by referring to a schematic diagram
5.9 Describe the method of frequency control used in rotary inverters by referring to a schematic diagram
5.10 Explain the principle of operation of a static inverter
5.11 Compare static and rotary inverters
6.1 State the purpose of ground power supplies
6.2 Explain the operation of a DC ground power supply by referring to a given circuit diagram
6.3 Explain the operation of an AC ground power supply by referring to a given circuit diagram
6.4 Describe the function of APUs
7.1 List the categories of indicator lights
7.2 State the colour used for each category of indicator light
7.3 Explain the operation of a master and central warning system in both aural and visual modes
8.1 Define busbar
8.2 Describe the following types of busbar:
8.3 Explain the operation of split busbar systems
8.4 State the purpose of the components utilised by busbar systems
9.1 State the standard contact criteria used to designate switch types
9.2 Describe the operation of the following types of aircraft electrical switches:
9.3 Identify switch schematic symbols
9.4 Explain the difference in ratings of AC and DC switches
9.5 Explain the principle of relay operation
9.6 State the purpose of aircraft relays
10.1 State the purpose of circuit protection within the aircraft electrical system
10.2 Describe the operating characteristics of instantaneous and slow blow fuses
10.3 State the purpose of fuse ratings
10.4 Explain the operation of the following types of circuit breakers:
10.5 State the purpose of the following protection systems:
10.6 Explain the operation of a GCU by referring to a given schematic diagram
11.1 Describe the construction of DC motors
11.2 List the components of DC motors
11.3 State the function of the components in DC motors, including:
11.4 Explain the principle of operation of DC motors
11.5 Explain the operation of split field motors by referring to a given schematic diagram
11.6 Describe the principle of operation of linear and rotary motor actuators
11.7 Describe the construction of three phase induction motors
11.8 Explain the principles of operation of three phase induction motors
11.9 Describe the construction of single phase induction motors
11.10 Explain the principle of operation of single phase induction motors
12.1 Explain the operation of electrical engine starting systems by referring to a given schematic diagram
12.2 Explain the operation of electrical engine starter-generator systems by referring to a given schematic diagram
12.3 Explain the operation of an anti-skid control system by referring to a given schematic diagram
13.1 Describe the construction and operation of smoke and toxic fume detection systems including:
14.1 Explain the operation and constructional principles of aircraft fire protection systems including:
continuous element or pressure type sensor responder
continuous loop (fire wire)
14.2 Describe the operation and layout of sample aircraft fire extinguishing systems and components
14.3 Describe portable fire extinguishers
14.4 Describe properties of extinguisher agents, including toxicity properties and clean up methods
15.1 Explain how various icing control systems sense ice formation
15.2 Describe the electrical and mechanical methods used for anti-icing and de-icing of aircraft
15.3 Describe rain removal methods
15.4 Describe aircraft demisting systems
15.5 Describe the requirements for ground de-icing of aircraft and precautions associated with anti icing or de-icing chemicals
15.6 Describe the operation of a toilet drain heating system
Week 1: Tutorial 1
Week 2: Tutorial 2
Week 3: Tutorial 3
Week 4: Tutorial 4
Week 5: Tutorial 5
Week 6: Tutorial 6
Week 7: Tutorial 7
Week8: Tutorial 8
Week 9: Tutorial 9
Week 10: Tutorial 10
Week 11: Revision
Week 12: Final Examination
There is a 26-hour student directed learning component in this course
Eisman Thomas. E., Aircraft Electricity and Electronics, 5th ed., McMillan
Pallet E.H.J., Aircraft Electrical Systems, 3rd ed., Longman, London
Casper. Wyo., 1985, Aviation Technician Training Series IAP,
Overview of Assessment
To successfully to complete this course the student is required to pass written assessment tasks and demonstrate skills and ability by completing practical tasks to aerospace standards.
Participants are required to complete two assignment tasks. The first assessment task is a written assingment and the second assessment is a closed book at the end of the course.
Assessment task 1: Written Assignment (30%)
Assessment task 2: FINAL EXAMINATION (70%)
|Learning Outcomes||% of Assessment|
|Assessment 1||1 to 15||30|
|Assessment 2||1 to 15||70|
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