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Web Development: Prof. Francisco M. González-Longatt, e-mail: fglongatt@fglongatt.org
Web Development: Prof. Francisco M. González-Longatt, e-mail: fglongatt@fglongatt.org
209SE: Electrical Engineering
This section shows main aspects of the module 209SE : Electrical Engineering
Aims
The curriculum of this module covers topics associated with electrical engineering.
These topics will include single phase and three phase circuits, transformers, motors and generators.
These topics will include single phase and three phase circuits, transformers, motors and generators.
Intended Learning Outcomes
The intended learning outcomes are that on completion of this module the student should be able to:
1. Analyse and predict the behaviour of RLC circuits in response to transient and alternating voltage excitation
2. Analyse three phase circuits
3. Model magnetic and electric fields as found in common electrical devices e.g. the transformer
4. Specify motor characteristics and design features
5. Specify alternator characteristics and design features
1. Analyse and predict the behaviour of RLC circuits in response to transient and alternating voltage excitation
2. Analyse three phase circuits
3. Model magnetic and electric fields as found in common electrical devices e.g. the transformer
4. Specify motor characteristics and design features
5. Specify alternator characteristics and design features
Content
AC Power
Relationships between power, reactive power and apparent power factor, principle of conservation of power and reactive power,
reactive power absorbed by capacitors and inductors, phasor representation, power factor correction. Analysis of series and parallel
resonant circuits. Transient conditions in RLC circuits, modelling transients.
Three Phase Circuits
Balanced and unbalanced 3 phase circuits, 3 phase phasor representations; power calculations, summation of phase currents;
effects of harmonic components, star to delta transformations.
Magnetic and Electric Theory (overview)
Electric flux, flux density, field strength, motive force, potential difference, field plotting, dielectric strength, example of insulator
dielectric, forces within electric fields, permittivity. Magnetic, flux, flux density, field strength, potential difference, permeability,
magnetic circuits, magnetic materials, saturation affects, B/H curve, magnetic forces between current carrying conductors, magneto-
motive force.
Transformers
Principle of action, e.m.f equation, magnetic flux paths within the transformer, useful and leakage flux, equivalent circuit for
transformer, efficiency, regulation, transformer tests, types of transformer, K rating.
Motors and Generators
Energy conversion process and energy balance. Synchronous machine and alternator. Induction motors, torque speed characteristic
and slip. Cage and Slip ring motors Split phase and Shaded pole motors, efficiency, physical construction. Direct current machines,
motors and generators, general types of machine, e.m.f equations, speed torque chararacteristics, efficiency etc. Physical
construction of electrical machines e.g. stator and rotor design.
Teaching and Learning
| Activity Type | Hours | Comments |
| Practical Classes and workshop | - | |
| Tutorial | - | |
| Lecture | - | |
| Guuided independent study | - | |
| TOTAL | 100 |
TTotal student effort for the module: 100 hours
Comprising 22 hours lectures and tutorials and a 2-hour practical exercise
Comprising 22 hours lectures and tutorials and a 2-hour practical exercise
Assessment
| Assessment Type | Weigth | Exam Length |
| Coursework | 30% | |
| Exam | 70% | 1.5h |
| TOTAL | 100 |
Assessment is through an assignment report (30%) and a 1.5 hour unseen examination (70%).
Readings
- Warnes, L. (1998); Electronic and Electrical Engineering-Principles and Practice, 2nd Edition, UK: Macmillan Press Ltd (ISBN 0333743113)
- Cogdell, J.R. (1999); Foundations of Electric Power, UK: Prentice-Hall (ISBN 0139077677)
- Hughes, E. (2008) Electrical and Electronic Technology, 10th Edition Harlow, UK: Pearson Prentice Hall (ISBN 0132060110)
- Cogdell, J.R. (1999); Foundations of Electric Power, UK: Prentice-Hall (ISBN 0139077677)
- Hughes, E. (2008) Electrical and Electronic Technology, 10th Edition Harlow, UK: Pearson Prentice Hall (ISBN 0132060110)
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Lecture Plan
LECTURE 1: Introduction, AC Circuits
LECTURE 2: Phasor representation, real and reactive power
LECTURE 3: PF correction, Resonant circuits
LECTURE 4: Modelling and Simulation
LECTURE 5: 3-phase circuits – star, delta
LECTURE 6: 3-phase power calculation
LECTURE 7: Star-to-delta conversion
LECTURE 8: Modelling and Simulation II
LECTURE 9: Transients in RLC circuits
LECTURE 10: Magnetic field theory
LECTURE 11: B/H curve, Forces
LECTURE 12: DC Machines: Generator
LECTURE 13: DC Machines: Motor
LECTURE 14: Speed-torque characteristics
LECTURE 16: Transformer - principle
LECTURE 17: Equivalent Circuit & regulation
LECTURE 18: Transformer tests
LECTURE 19: Synchronous machine
LECTURE 20: Induction Motor
LECTURE 21: IM – Torque-speed curve
LECTURE 2: Phasor representation, real and reactive power
LECTURE 3: PF correction, Resonant circuits
LECTURE 4: Modelling and Simulation
LECTURE 5: 3-phase circuits – star, delta
LECTURE 6: 3-phase power calculation
LECTURE 7: Star-to-delta conversion
LECTURE 8: Modelling and Simulation II
LECTURE 9: Transients in RLC circuits
LECTURE 10: Magnetic field theory
LECTURE 11: B/H curve, Forces
LECTURE 12: DC Machines: Generator
LECTURE 13: DC Machines: Motor
LECTURE 14: Speed-torque characteristics
LECTURE 16: Transformer - principle
LECTURE 17: Equivalent Circuit & regulation
LECTURE 18: Transformer tests
LECTURE 19: Synchronous machine
LECTURE 20: Induction Motor
LECTURE 21: IM – Torque-speed curve
