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2022/23 Undergraduate Module Catalogue

ELEC3565 Electric Machines

10 creditsClass Size: 100

Module manager: Dr. Ben Chong
Email: b.chong@leeds.ac.uk

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2022/23

Module replaces

ELEC3560 - Electric Drives

This module is not approved as a discovery module

Objectives

Electric machines play a principal role in our lives. They are electromechanical energy converters able to convert electric to mechanical power and vice versa. As generators, they produce almost all electric energy on Earth (conventional and renewable). As loads, they consume more than 60% of all electric energy produced with applications in transportation (e.g., electric vehicles, trains, personal electric transportation), in automation/robotics (linear and rotational movement), and in everyday life (fans, pumps, washing machines, etc). This module introduces students to the basic principles of electromechanical conversion and focuses on DC and AC electric machines. Students will gain an understanding of the operation of electric machines, starting from basic electromechanical conversion principles to their numerous applications and visiting different machine types. It provides students with the necessary skills to select and analyse appropriate electric machines for different applications.

Learning outcomes
On completion of this module students should be able to:

1. Explain the relationship between voltage, current, flux and EMF, and perform calculations with magnetic circuits.
2. Explain the physical principles of electromechanical energy conversion.
3. Describe the operation of DC machines in generator and motor applications, draw the equivalent circuits and perform calculations involving the speed, torque and power.
4. Describe the operation of AC machines in generator and motor applications and explain qualitatively and quantitatively the differences between synchronous and asynchronous AC machines, draw the equivalent circuits and perform calculations involving the speed, torque and power.
5. Provide application examples for different types of electric machines.



Syllabus

Topics may include, but are not limited to:

Magnetic circuits and magnetic materials
Electromechanical energy conversion principles and rotating machines
DC machines and applications
AC machines (synchronous and asynchronous) and applications

Teaching methods

Delivery typeNumberLength hoursStudent hours
Laboratory22.004.00
Seminar161.0016.00
Independent online learning hours25.00
Private study hours55.00
Total Contact hours20.00
Total hours (100hr per 10 credits)100.00

Private study

Students are expected to use private study time to consolidate their understanding of course materials, to undertake preparatory work for seminars, workshops, tutorials, examples classes and practical classes, and also to prepare for in-course and summative assessments.



Opportunities for Formative Feedback

Students studying ELEC modules will receive formative feedback in a variety of ways, including the use of self-test quizzes on Minerva, practice questions/worked examples and (where appropriate) through verbal interaction with teaching staff and/or post-graduate demonstrators.

Methods of assessment


Coursework
Assessment typeNotes% of formal assessment
In-course AssessmentAssignment30.00
Total percentage (Assessment Coursework)30.00

Resits for ELEC and XJEL modules are subject to the School's Resit Policy and the Code of Practice on Assessment (CoPA), which are available on Minerva. Students should be aware that, for some modules, a resit may only be conducted on an internal basis (with tuition) in the next academic session.


Exams
Exam typeExam duration% of formal assessment
Online MCQ1 hr 00 mins30.00
Online MCQ2 hr 00 mins40.00
Total percentage (Assessment Exams)70.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

There is no reading list for this module

Last updated: 03/05/2022 14:36:20

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