## AMT 126 - Basic Electricity AC

The course will explain various alternating current electrical principles and provide examples of types of systems and schematics, which are used in aviation.

Hours: 16 (Lecture Hours: 16)

Prerequisite:
None

Non-Course Prerequisite:
Successful Completion of Aircraft Maintenance Technician 1

Co-requisites:
None

Course Content:
Identify:
1. a wiring diagram for a simple alternator circuit, then accomplish the wiring of the same circuit.
Describe:
2. AC current.
3. Inductive pickups.
4. The effects of capacitors in electrical circuits.
5. The use for capacitors.
6. Differences between AC and dc motors.
7. The use of AC alternators in aircraft.
8. Generator Control Units.
9. Single-phase ac actuator motors.
10. Three-phase AC motors.
11. The use of the common measuring devices
Explain:
12. Principles of ac theory
13. Rms and peak values
14. Frequency, period, phase
15. Use of ac measuring devices, including, but not limited to, multimeters and oscilloscopes
16. Polyphase ac circuits
17. Aircraft application of ac
18. Inductance coils, inductors and inductance in ac circuits
19. Transformers
20. Capacitors and capacitance in ac circuits
21. Reactance and impedance
22. Resonant circuits
23. Phase angle, and power factor calculations
24. Frequency and phase.
25. Ac generation theory, including construction and maintenance of alternators.
26. The use of the multimeters, oscilloscope and other AC measuring devices.
27. Impedance.
28. Transformers.
29. The principles of AC generation.
30. Aircraft alternators.
31. Voltage regulation.
32. Inverters.
33. Variable-speed, constant-frequency power systems.
34. AC motors.
35. Improvement of starting qualities.
36. Repulsion motors.
37. Synchronous motors.
38. Motor losses.
39. Power conversion methods.
40. Using diodes to convert ac to dc.

Learning Outcomes:
The student upon completion of this course will be able to explain Various AC circuits and identify the various components involved, as well as understand testing processes.