EEEN30250 Electrical Machines for Mechanical Engineers

Academic Year 2023/2024

1- Electrical Calculations 🔌:
Phasor analysis of single-phase and three-phase circuits. Delta (Δ) and star (Y) connections. Phase and line voltages. Active, reactive, apparent Power. Power factor. RMS value.

2- Fundamental magnetic circuits 🧲:
Magnetic characteristics of iron. B/H curves. Hysteresis, and eddy currents. Magnetic circuits and electrical equivalent circuits. Sinusoidal excitation (Faraday’s law). Energy Conversion Process.

3- Transformers 🔗:
Single-phase and 3-phase power transformers. Construction. Connection schemes. Equivalent circuit model. Performance. Voltage regulation. Efficiency. Parallel operation and load sharing. Transformer Applications.

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. Efficiency. Effects of rotor resistance. Speed control. Starting of induction motors. Induction generator. Applications in Wind energy systems. Voltage Source Inverter.

5- Synchronous machines 🚅:
Construction. Development of the equivalent circuit and use of same in analyzing of the machine connected to an infinite bus. Steady-state characteristics, and operational performance. Speed control. Applications in Wind energy systems. Voltage Source Inverter.

6- Special machines ⚙:
Brushless DC (BLDC) Motors (Construction and operating principle, stator, rotor, hall sensor, Voltage Source Inverter). Switched Reluctance Motors (SRM). Single-Phase Induction Motors. Servomotors. Stepper Motors. Applications in electric vehicle traction motors.

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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, 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

30
Laboratories

9
Specified Learning Activities

10
Autonomous Student Learning

70
Total

119
Approaches to Teaching and Learning:
task-based learning; lectures; lab work; case studies 
Requirements, Exclusions and Recommendations
Learning Requirements:

Please make sure that you have completed EEEN20020 - Electrical and Electronic Circuits (or equivalents) prior to registering for this module. It is strongly recommended!


Module Requisites and Incompatibles
Not applicable to this module.
 
Assessment Strategy  
Description Timing Open Book Exam Component Scale Must Pass Component % of Final Grade
Class Test: Class Test 2: Questions cover all material discussed to week 8. Week 9 n/a Standard conversion grade scale 40% No

10
Lab Report: Report 3 on lab experiments Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

5
Lab Report: Report 1 on lab experiments Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

10
Lab Report: Report 2 on lab experiments Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

10
Assignment: Assignment 1 Varies over the Trimester n/a Alternative linear conversion grade scale 40% No

5
Class Test: Class Test 1: Questions cover all material discussed from week 1 to week 2. Week 3 n/a Standard conversion grade scale 40% No

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

5
Examination: Final exam 2 hour End of Trimester Exam No Standard conversion grade scale 40% No

50

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.

Name Role
Pardis Pariz Tutor
Justin Ugwu Tutor
Angel Vaca Tutor
Timetabling information is displayed only for guidance purposes, relates to the current Academic Year only and is subject to change.
 
Autumn
      
Lecture Offering 1 Week(s) - Autumn: All Weeks Fri 09:00 - 09:50
Lecture Offering 1 Week(s) - 1, 2, 3, 4 Mon 10:00 - 10:50
Lecture Offering 1 Week(s) - 5, 12 Mon 10:00 - 10:50
Lecture Offering 1 Week(s) - 6 Mon 10:00 - 10:50
Lecture Offering 1 Week(s) - 7, 9, 10, 11 Mon 10:00 - 10:50
Lecture Offering 1 Week(s) - Autumn: All Weeks Wed 10:00 - 10:50
Laboratory Offering 1 Week(s) - 5, 9, 11 Tues 15:00 - 17:50
Laboratory Offering 2 Week(s) - 6, 10, 12 Tues 15:00 - 17:50
Laboratory Offering 3 Week(s) - 7, 9, 11 Tues 15:00 - 17:50
Laboratory Offering 4 Week(s) - 8, 10, 12 Tues 15:00 - 17:50
Laboratory Offering 5 Week(s) - 5, 9, 11 Wed 15:00 - 17:50
Laboratory Offering 6 Week(s) - 6, 10, 12 Wed 15:00 - 17:50
Laboratory Offering 7 Week(s) - 7, 9, 11 Wed 15:00 - 17:50
Laboratory Offering 8 Week(s) - 8, 10, 12 Wed 15:00 - 17:50
Laboratory Offering 9 Week(s) - 5, 9, 11 Fri 11:00 - 13:50
Laboratory Offering 10 Week(s) - 6, 10, 12 Fri 11:00 - 13:50
Laboratory Offering 11 Week(s) - 7, 9, 11 Fri 11:00 - 13:50
Laboratory Offering 12 Week(s) - 8, 10, 12 Fri 11:00 - 13:50
Autumn