EEEN30090 Electrical Machines

Academic Year 2020/2021

1. Fundamental magnetic circuits: magnetic characteristics of iron, B/H curves, hysteresis and eddy currents; magnetic circuits and magnetic equivalent circuit - electrical equivalent circuit;
2. Transformers: single-phase and 3-phase power transformers; construction; insulation, thermal management and lifetime; connection schemes; equivalent circuit model; performance; parallel operation and load sharing;
3. Brushed DC machines: construction; torque production; equivalent circuit model; torque-speed characteristic; basic machine drives;
4. Induction machines: construction; fundamental analysis of distributed windings, flux density, flux, flux linkage and inductance; rotating magnetic fields; development of equivalent circuit model, torque-speed characteristic;
5. Synchronous machines: construction; development of the equivalent circuit and use of same in analysing of machine connected to an infinite bus, load chart, synchronising; steady-state characteristics and operational performance;
6. Case studies: electric vehicle traction motors; electrical power generators.

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Curricular information is subject to change

Learning Outcomes:

Develop mathematical models for magnetic circuits where iron includes all or part of the circuit; Analyse and synthesise magnetic circuits; Develop mathematical models for the fundamental electrical machines including transformers, dc machines, induction machines and synchronous machines; Analyse the operation of the basic machine types electrically coupled to various circuits and systems and mechanically coupled to loads or prime movers.

Student Effort Hours: 
Student Effort Type Hours
Lectures

24
Tutorial

6
Laboratories

8
Specified Learning Activities

10
Autonomous Student Learning

60
Total

108
Approaches to Teaching and Learning:
task-based learning; lectures; lab work; case studies 
Requirements, Exclusions and Recommendations

Not applicable to this module.


Module Requisites and Incompatibles
Pre-requisite:
EEEN20080 - Electrical Engineering, EEEN20090 - Electrical Energy Systems

Additional Information:
Pre-requisites: one of the listed modules.


 
Assessment Strategy  
Description Timing Open Book Exam Component Scale Must Pass Component % of Final Grade
Lab Report: 4 reports on lab experiments Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

40
Assignment: Assignment 1 Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

5
Assignment: Assignment 2 Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

5
Class Test: Questions cover all material discussed from week 7 to week 12. Week 12 n/a Alternative linear conversion grade scale 40% No

25
Class Test: Questions cover all material discussed from week 1 to week 6. Week 7 n/a Alternative linear conversion grade scale 40% No

25

Carry forward of passed components
Yes
 
Resit In Terminal Exam
Spring No
Please see Student Jargon Buster for more information about remediation types and timing. 
Feedback Strategy/Strategies

• Feedback individually to students, post-assessment
• Group/class feedback, post-assessment

How will my Feedback be Delivered?

Not yet recorded.