ERT 105: Basic Electrical Technology

1. ERT 105: Basic Electrical Technology AZRALMUKMIN BIN AZMI

2. COURSE OBJECTIVES (OUTCOME) • Ability to explain the principle elements of DC and AC circuits such as current, voltage, power, energy, nodes, branches and others. • Ability to analyze the DC and AC circuit by using Ohm’s law, Kirchhoff’s Current Law, Kirchhoff’s Voltage Law, Source Transformation and Thevenin’s theorem. • Ability to calculate and analyze parameter of three phase AC system for Wye and Delta connection. • Ability to explain the basic concept of magnetism and electromagnetism and its application in DC and AC machines.

3. COURSE CONTENT (SYLLABUS) 1. Introduction and DC Circuit - current, voltage, resistance, power, conductor and insulator. - series and parallel circuits - Ohm’s Law, Kirchhoff Current Law, Kirchhoff Voltage Law, Source Transformation, Thevenin's theorem

4. COURSE CONTENT (SYLLABUS) Cont… 2. AC Circuit - sine wave, frequency, amplitude, phase angle, complex number - impedance, inductance, phase shifting - active power, reactive power, power factor - series and parallel AC circuits using Ohm’s law - series and parallel AC circuit using Ohm’s Law, Kirchhoff Current Law, Kirchhoff Voltage Law, Source Transformation, Thevenin’s theorem.

5. COURSE CONTENT (SYLLABUS) Cont… 3. Three Phase System - single phase system, three phase voltage generation and the phasor diagram - line and phase quantities. - three phase connection in balanced load: Wye and Delta - phase and line voltages and currents - active and reactive power

6. COURSE CONTENT (SYLLABUS) Cont… 4. Three Phase System - single phase system, three phase voltage generation and the phasor diagram - line and phase quantities. - three phase connection in balanced load: Wye and Delta - phase and line voltages and currents - active and reactive power

7. COURSE CONTENT (SYLLABUS) Cont… 5. Magnetic and Electromagnetic - Faraday’s Law, Lenz’s Law, Flemming Law, magnetic field, magnetic material and magnetization curve - reluctance, magnetic equivalent circuit, air gap, electromagnetic induction, Sinusoidal excitation - magnetic losses, eddy current, hysteresis

8. COURSE CONTENT (SYLLABUS) Cont… 6. Transformer - principle of transformer, its parameters and structure - ideal transformer, its equivalent circuit and phasor diagram - non-ideal transformer, its equivalent circuit and phasor diagram - efficiency, losses, performance - the principle of auto transformer and three phase transformer

9. COURSE CONTENT (SYLLABUS) Cont… 7. DC and AC machine - operating principle, voltage and torque equation - motor classification, speed torque characteristics and calculate losses and efficiency - the operating principle of three phase induction motor, speed-torque characteristics and calculate losses and efficiency - other motor and equivalent circuits and calculate the parameters

10. ASSESSMENTS • Final Exam : 50 % • Theory Test 1 10 % • Theory Test 2 10 % • Assignments / Presentation / Quiz / Attendance 30 % TOTAL100 %

11. TEXT & REFFERENCE BOOK • Boylestad, Robert L., Introductory Circuit Analysis, 11th Edition, Prentice Hall, 2007 • Hughes, Electrical and Electronic Technology, 9th Edition, Prentice Hall, 2005 • Richard J. Fowler, Electricity Principles and Applications, 7th Edition, Mc Graw Hill, 2008 • Charles K. Alexander & Matthew N. O. Sadiku, Fundamentals of Electric Circuits, International Third Edition, Mc Graw Hill • Nilsson, J.W. & Riedel S.A., Electric Circuits, 7th Edition, Pearson Prentice Hall, 2005