EASA Part 66 Module 3 Electrical Fundamentals B1.1 Level Syllabi
| MODULE 3. ELECTRICAL FUNDAMENTALS | B1.1 Level |
| 3.1 Electron Theory | 1 |
| Structure and distribution of electrical charges within: atoms, molecules, ions, compounds; | |
| Molecular structure of conductors, semiconductors and insulators. | |
| 3.2 Static Electricity and Conduction | 2 |
| Static electricity and distribution of electrostatic charges; | |
| Electrostatic laws of attraction and repulsion; | |
| Units of charge, Coulomb's Law; | |
| Conduction of electricity in solids, liquids, gases and a vacuum. | |
| 3.3 Electrical Terminology | 2 |
| The following terms, their units and factors affecting them: potential difference, electromotive force, voltage, current, resistance, conductance, charge, conventional current flow, electron flow. | |
| 3.4 Generation of Electricity | 1 |
| Production of electricity by the following methods: light, heat, friction, pressure, chemical action, magnetism and motion. | |
| 3.5 DC Sources of Electricity | 2 |
| Construction and basic chemical action of: primary cells, secondary cells, lead acid cells, nickel cadmium cells, other alkaline cells; | |
| Cells connected in series and parallel; | |
| Internal resistance and its effect on a battery; | |
| Construction, materials and operation of thermocouples; | |
| Operation of photo-cells. | |
| 3.6 DC Circuits | 2 |
| Ohms Law, Kirchoff's Voltage and Current Laws; | |
| Calculations using the above laws to find resistance, voltage and current; | |
| Significance of the internal resistance of a supply. | |
| 3.7 Resistance/Resistor | |
| (a) | 2 |
| Resistance and affecting factors; | |
| Specific resistance; | |
| Resistor colour code, values and tolerances, preferred values, wattage ratings; | |
| Resistors in series and parallel; | |
| Calculation of total resistance using series, parallel and series parallel combinations; | |
| Operation and use of potentiometers and rheostats; | |
| Operation of Wheatstone Bridge. | |
| (b) | 1 |
| Positive and negative temperature coefficient conductance; | |
| Fixed resistors, stability, tolerance and limitations, methods of construction; | |
| Variable resistors, thermistors, voltage dependent resistors; | |
| Construction of potentiometers and rheostats; | |
| Construction of Wheatstone Bridge; | |
| 3.8 Power | 2 |
| Power, work and energy (kinetic and potential); | |
| Dissipation of power by a resistor; | |
| Power formula; | |
| Calculations involving power, work and energy. | |
| 3.9 Capacitance/Capacitor | 2 |
| Operation and function of a capacitor; | |
| Factors affecting capacitance area of plates, distance between plates, number of plates, dielectric and dielectric; | |
| Constant, working voltage, voltage rating; | |
| Capacitor types, construction and function; | |
| Capacitor colour coding; | |
| Calculations of capacitance and voltage in series and parallel circuits; | |
| Exponential charge and discharge of a capacitor, time constants; | |
| Testing of capacitors. | |
| 3.10 Magnetism | |
| (a) | 2 |
| Theory of magnetism; | |
| Properties of a magnet; | |
| Action of a magnet suspended in the Earth's magnetic field; | |
| Magnetisation and demagnetisation; | |
| Magnetic shielding; | |
| Various types of magnetic material; | |
| Electromagnets construction and principles of operation; | |
| Hand clasp rules to determine: magnetic field around current carrying conductor. | |
| (b) | 2 |
| Magnetomotive force, field strength, magnetic flux density, permeability, hysteresis loop, retentivity, coercive force reluctance, saturation point, eddy currents; | |
| Precautions for care and storage of magnets. | |
| 3.11 Inductance/Inductor | 2 |
| Faraday's Law; | |
| Action of inducing a voltage in a conductor moving in a magnetic field; | |
| Induction principles; | |
| Effects of the following on the magnitude of an induced voltage: magnetic field strength, rate of change of flux, number of conductor turns; | |
| Mutual induction; | |
| The effect the rate of change of primary current and mutual inductance has on induced voltage; | |
| Factors affecting mutual inductance: number of turns in coil, physical size of coil, permeability of coil, position of coils with respect to each other; | |
| Lenz's Law and polarity determining rules; | |
| Back emf, self induction; | |
| Saturation point; | |
| Principle uses of inductors. | |
| 3.12 DC Motor/Generator Theory | 2 |
| Basic motor and generator theory; | |
| Construction and purpose of components in DC generator; | |
| Operation of, and factors affecting output and direction of current flow in DC generators; | |
| Operation of, and factors affecting output power, torque, speed and direction of rotation of DC motors; | |
| Series wound, shunt wound and compound motors; | |
| Starter Generator construction. | |
| 3.13 AC Theory | 2 |
| Sinusoidal waveform: phase, period, frequency, cycle; | |
| Instantaneous, average, root mean square, peak, peak to peak current values and calculations of these values, in relation to voltage, current and power; | |
| Triangular/Square waves; | |
| Single/3 phase principles. | |
| 3.14 Resistive (R), Capacitive (C) and Inductive (L) Circuits | 2 |
| Phase relationship of voltage and current in L, C and R circuits, parallel, series and series parallel; | |
| Power dissipation in L, C and R circuits; | |
| Impedance, phase angle, power factor and current calculations; | |
| True power, apparent power and reactive power calculations. | |
| 3.15 Transformers | 2 |
| Transformer construction principles and operation; | |
| Transformer losses and methods for overcoming them; | |
| Transformer action under load and no-load conditions; | |
| Power transfer, efficiency, polarity markings; | |
| Calculation of line and phase voltages and currents; | |
| Calculation of power in a three phase system; | |
| Primary and Secondary current, voltage, turns ratio, power, efficiency; | |
| Auto transformers. | |
| 3.16 Filters | 1 |
| Operation, application and uses of the following filters: low pass, high pass, band pass, band stop. | |
| 3.17 AC Generators | 2 |
| Rotation of loop in a magnetic field and waveform produced; | |
| Operation and construction of revolving armature and revolving field type AC generators; | |
| Single phase, two phase and three phase alternators; | |
| Three phase star and delta connections advantages and uses; | |
| Permanent Magnet Generators. | |
| 3.18 AC Motors | 2 |
| Construction, principles of operation and characteristics of: AC synchronous and induction motors both single and polyphase; | |
| Methods of speed control and direction of rotation; | |
| Methods of producing a rotating field: capacitor, inductor, shaded or split pole. |