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Course information 1

Department of Electronics and Electrical Engineering

ENGINEERING ELECTROMAGNETICS 2

Course code 3KJVGU Credits 10ECTS Credits 5Prerequisite course(s) Engineering Mathematics EE1X (7LXU) and EE1Y (7LYU)Co-requisite course(s) Engineering Mathematics EE2Y (7LYV)Teaching staff (the first hasoverall responsibility)

Prof D C Hutchings (telephone 6026; email D.Hutchings)

Approximate size of class 80 studentsSemester 1

Description of course

1. Electromagnetics

16 lectures and 4 tutorials

Aims

To introduce the principles of electromagnetic theory, and to apply these principles to

engineering processes and devices.

ObjectivesUnderstanding

Ability to analyse electromagnetic problems. Appreciation of electrostatic problems in

engineering. Understanding of the physical basis for the functioning of circuit elements such

as capacitors, inductors, transformers and cables.

KnowledgeBasic electrostatics, basic magnetics, electromagnetics. General methods for finding

capacitance and inductance of any system. Computer aided electric field and magnetic flux

mapping. The real performance of capacitors, and inductors. Dielectrics, industrial

applications of electrostatics. Magnetic field generating devices. Magnetic materials.

Principles of operation of DC motors and transformers. Energy storage.Skills

Analysis of electrostatic, magnetic and electromagnetic problems.

Calculations of capacitance and inductance of physical systems.

Syllabus

Electrostatics: Coulomb forces and electric field intensity, Gauss' law and electric flux.

Electric potential and field. Calculations of capacitance. Boundary conditions. Capacitors,

dielectrics and polarisation. Energy storage.

Magnetics: Ampére’s law and magnetic flux, magnetic materials: ferromagnetism and B-H

curves. Calculation of inductance. Boundary conditions. Calculation of magnetic field in two

media. Energy storage. Simple magnetic circuits.

Electromagnetism: Faraday's law, self and mutual inductances, basic transformers, basic

motors.

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2. Laboratory

2 sessions of 3 hours each

Aims

To introduce computer aided modelling of field and flux patterns in engineering components,

the uses of different magnetic materials, and to develop an understanding of the principles of electromechanical energy conversion.

ObjectivesUnderstanding

The importance of various magnetic properties in designing magnetic systems.

Uses of electromagnetic modelling in modern engineering design.Knowledge

Behaviour of electrostatic fields. Properties of magnetic materials.Skills

Techniques for characterising magnetic materials.

Use of finite element analysis software to analyse engineering components.

Safety and good laboratory practice.

Syllabus

Electrostatic analysis.

Properties of magnetic materials.

Recommended books

Authors Title, edition Publisher Year ISBN Cost Code

Kraus, J.D. &Fleisch, D. A.

Electromagnetics McGraw Hill 1999 0071164294 B

Paul, C. R. Electromagneticsfor Engineers

Wiley 2004 0471271802 £33.95 D

Codes : A = compulsory; B = strongly recommended; C = recommended; D = wider reading

Study times

Type Hours

Lectures and tutorials 25

Laboratories and laboratory reports 10

Tutorial sheets 20

Review and consolidation of course material 30

Final revision and examination 15

These times are a rough estimate of the work required outside formal classes by a typical

student. There will be wide variations between individuals, but you will run a grave risk of

failure if you spend significantly less time on this course than these guidelines suggest.

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Assessment

% Type Details

15 Laboratory work andtutorials

Consolidated mark from two laboratory reports andselected tutorial questions. Attendance at laboratory

session and submission of coursework is arequirement for the award of credit.

85 Degree Examination 90 minute paper; all questions compulsory

The degree examinations are held in weeks 12-13; a resit is available in August.

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