Module Specification |
The information contained in this module specification was correct at the time of publication but may be subject to change, either during the session because of unforeseen circumstances, or following review of the module at the end of the session. Queries about the module should be directed to the member of staff with responsibility for the module. |
Title | DRIVES | ||
Code | ELEC331 | ||
Coordinator |
Prof S Taylor Electrical Engineering and Electronics S.Taylor@liverpool.ac.uk |
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Year | CATS Level | Semester | CATS Value |
Session 2018-19 | Level 6 FHEQ | First Semester | 7.5 |
Aims |
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Pre-requisites before taking this module (other modules and/or general educational/academic requirements): |
ELEC120; ELEC142; ELEC209 ELEctromagnetism & Electromechanics (ELEC120), Electrical Circuits & Systems (ELEC142) |
Co-requisite modules: |
ELEC301 |
Learning Outcomes |
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Syllabus |
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1 |
1 Introduction Review of basic topologies, interaction of electric and magnetic circuits. Electromagnetic force in the form of B.i.l and change of co-energy. 2DC Machines Basic DC motor, machines with more than 2 poles. Series and shunt connections and characteristics, use of permanent magnet fields. Development of the brushless DC machine, with the use of electronically switched supply to coils. 3Rotating Magnet Fields Basic concepts of space and time distribution; polyphase supplies and windings, and the generation of rotating fields. View of machines as interacting primary and secondary fields. Star & delta connections. Three phase power. 4Synchronous Machines Construction, round and salient pole fields; analysis of operation and phasor diagrams. Operating characteristics. Interaction of rotor and stator mmf; excitation and load angle. Synchronisation to supply system. 5Transformers Construction; magnetic circuits; required material characteristics. Ideal transformer, referred quantities. Practical devices; leakage and magnetising reactance''s. Operation and equivalent circuit; power flow. 6Induction Motors Description of 3 phase device; asynchronous nature; interaction of rotor and stator fields. Analysis based on transformer type equivalent circuit. Slip, power flow and torque. Applications and starting t echniques. Description of single phase machine. |
Teaching and Learning Strategies |
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Lecture - |
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Other - |
Teaching Schedule |
Lectures | Seminars | Tutorials | Lab Practicals | Fieldwork Placement | Other | TOTAL | |
Study Hours |
24 |
4 |
28 | ||||
Timetable (if known) | |||||||
Private Study | 47 | ||||||
TOTAL HOURS | 75 |
Assessment |
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EXAM | Duration | Timing (Semester) |
% of final mark |
Resit/resubmission opportunity |
Penalty for late submission |
Notes |
Written Exam | 2 hours | Semester 1 examination period | 100 | Resit opportunity only for MSc students in Aug/Sept. UG students - next scheduled sitting | Assessment 1 Notes (applying to all assessments) Formal exam | |
CONTINUOUS | Duration | Timing (Semester) |
% of final mark |
Resit/resubmission opportunity |
Penalty for late submission |
Notes |
Reading List |
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Reading lists are managed at readinglists.liverpool.ac.uk. Click here to access the reading lists for this module. Explanation of Reading List: |