Electrical and Electronic Principles - entry

This course offers a comprehensive and practical exploration of basic electrical and electronic concepts, using a combination of theoretical and a hands-on approach to applications, and troubleshooting. This module is a pre-requisite for subsequent modules, including the ‘Electrical Energy Conversion & Transport’ second year module, in the mining and renewable energy degree programmes.

Week 1 Introduction: Electricity, electrical charge, current, voltage, conductance and resistance, electrical and electronics systems, signals, physical quantities and measurement. Electric circuits: SI units, common prefixes, electrical circuits, circuit symbols, direct current and alternating current, resistors, capacitors, and inductors, voltage sources and current sources. Ohm’s law and Kirchhoff’s law, resistors in series and parallel, resistive potential dividers, power dissipation in resistors. Week 2 DC circuits: Norton’s Theorems, Superposition, Nodal Analysis, Mesh Analysis, Solving Simultaneous Circuit Equations, Choice of Techniques. Capacitance and electric fields: Capacitors and Capacitance, Alternating Voltages and Currents, The Effect of a Capacitor’s Dimensions, Electric Fields, Capacitors in Series and Parallel, Voltage and Current, Sinusoidal Voltages and Currents, Energy Stored in a Charged Capacitor, Circuit Symbols. Week 3 Inductance and magnetic fields: Electromagnetism, Reluctance, Inductance, Self-inductance, Inductors, Inductors in Series and Parallel, Voltage and Current, Sinusoidal Voltages and Currents, Energy Storage in an Inductor, Mutual Inductance, Transformers, Circuit Symbols, The Use of Inductance in Sensors. Alternating voltages and currents: Voltage and Current, Reactance of Inductors and Capacitors, Phasor Diagrams, Impedance, Complex Notation. Week 4 Power in AC circuits: Power in Resistive Components, Power in Capacitors, Power in Inductors, Circuits with Resistance and Reactance, Active and Reactive Power, Power triangle, Power Factor Correction, Power Transfer, Three-Phase Systems, Power Measurement. Three Phase Systems: Single phase generator, Two phase generator, Three phase generator, Wye connection, Delta connection, Voltage and current relationship, Phase sequence, Power transmitted by a 3-phase line, Power in 3-phase circuits, Power measurements in 3-phase 3-wire circuits, Power measurements in 3-phase 4-wire circuits, Varmeter, A remarkable single-phase to three-phase transformation. Week 5 Transients: RC and RL circuits, Response of RC integrators to a single pulse, Response of RC integrators to repetitive pulses, Response of RC differentiators to a single pulse, Response of RC differentiators to repetitive pulses. Response of RL integrators to pulse inputs, Response of RL differentiators to pulse inputs. Diodes And Applications: Introduction to semiconductors, diodes and characteristics, diode rectifiers, power supplies, and special purpose diodes. Week 6 Transistors: DC operation of Bipolar Junction Transistor (BJT), BJT class A amplifiers, BJT class B amplifiers, The BJT as a switch, DC operation of Field-Effect Transistor (FET), FET amplifiers, Feedback oscillator, Troubleshooting, Application assignment. Digital Systems: Binary quantities and variables, Logic gates, Boolean algebra, Combinational logic, Karnaugh maps, automated methods of minimization, propagation delay and hazards, number systems and binary arithmetic, Numeric and alphabetic codes, Examples of combinational logic design. Week 7 Operational Amplifiers: Introduction to the operational amplifier, Comparators, Summing amplifiers, Integrators and differentiators, Oscillators, Active filters, Voltage regulators, Application assignment. Power Inverters: History, Single phase inverters, three phase inverters, Applications.

Scheduled Learning & Teaching Activities		Guided Independent Study		Placement / Study Abroad

Coursework	30	Written Exams	70	Practical Exams

Reading list for this module:

CREDIT VALUE	15	ECTS VALUE	7.5

PRE-REQUISITE MODULES	None
CO-REQUISITE MODULES	None

NQF LEVEL (FHEQ)	1	AVAILABLE AS DISTANCE LEARNING	No
ORIGIN DATE	Thursday 15th December 2011	LAST REVISION DATE	Thursday 15th December 2011

KEY WORDS SEARCH	None Defined