Module 3 Electrical fundamentals

Module 3, titled “Electrical Fundamentals,” serves as the foundation for understanding the electrical concepts and principles that are crucial for aircraft maintenance technicians. This module ensures that technicians are well-versed in the basics of electricity, allowing them to work safely and effectively on aircraft electrical systems.

Key Topics Covered:

1. Theory of Electricity:

• Introduction to atoms, molecules, electrons, and their behavior.
• Basic electrical terms such as current, voltage, resistance, and power.

2. Electrical Units:

• Standard units of measurement for electrical properties, including volts, amperes, ohms, and watts.

3. Ohm’s Law:

• The fundamental relationship between voltage, current, and resistance.
• Practical applications and calculations using Ohm’s Law.

4. Electrical Components:

• Detailed study of resistors, capacitors, inductors, diodes, and transistors.
• Their characteristics, functions, and applications in circuits.

5. Series and Parallel Circuits:

• Differences between series and parallel configurations.
• Calculations related to resistance, current, and voltage in these circuits.

6. Power and Power Factor:

• Concepts of electrical power, energy, and power factor.
• Importance of power factor correction in AC circuits.

7. Magnetism:

• Principles of magnetism and electromagnetic induction.
• Magnetic fields, magnetic materials, and their applications in electrical systems.

8. Alternating Current (AC):

• Introduction to AC, its generation, and characteristics.
• Differences between AC and Direct Current (DC).

9. Transformers:

• Principles of operation, types, and applications of transformers in electrical systems.

10. Filters:

• Types of filters and their applications in smoothing out variations in electrical signals.

11. Three-Phase Systems:

• Introduction to three-phase AC systems, their advantages, and applications in aircraft systems.

12. Electrostatics:

• Principles of electrostatics, causes, and effects of static electricity.
• Measures to prevent static discharges in aircraft.

By mastering the concepts in Module 3, technicians gain a solid foundation in electrical principles, enabling them to troubleshoot, maintain, and repair aircraft electrical systems with confidence and precision.