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:
- Theory of Electricity:
- Introduction to atoms, molecules, electrons, and their behavior.
- Basic electrical terms such as current, voltage, resistance, and power.
- Electrical Units:
- Standard units of measurement for electrical properties, including volts, amperes, ohms, and watts.
- Ohm’s Law:
- The fundamental relationship between voltage, current, and resistance.
- Practical applications and calculations using Ohm’s Law.
- Electrical Components:
- Detailed study of resistors, capacitors, inductors, diodes, and transistors.
- Their characteristics, functions, and applications in circuits.
- Series and Parallel Circuits:
- Differences between series and parallel configurations.
- Calculations related to resistance, current, and voltage in these circuits.
- Power and Power Factor:
- Concepts of electrical power, energy, and power factor.
- Importance of power factor correction in AC circuits.
- Magnetism:
- Principles of magnetism and electromagnetic induction.
- Magnetic fields, magnetic materials, and their applications in electrical systems.
- Alternating Current (AC):
- Introduction to AC, its generation, and characteristics.
- Differences between AC and Direct Current (DC).
- Transformers:
- Principles of operation, types, and applications of transformers in electrical systems.
- Filters:
- Types of filters and their applications in smoothing out variations in electrical signals.
- Three-Phase Systems:
- Introduction to three-phase AC systems, their advantages, and applications in aircraft systems.
- 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.