Module Descriptors
ELECTRICAL POWER
ELEC50405
Key Facts
Digital, Technology, Innovation and Business
Level 5
15 credits
Contact
Leader: Debi Roberts
Hours of Study
Scheduled Learning and Teaching Activities: 36
Independent Study Hours: 114
Total Learning Hours: 150
Assessment
  • CLASS TEST (1.5 HOURS) weighted at 40%
  • LABORATORY EXPERIMENTS weighted at 60%
Module Details
INDICATIVE CONTENT
1. Structure of the power system, representation of simple power networks, steady state solution of simple networks, voltage and reactive power, frequency and active power.

2. Single-phase transformers: core losses, operation and equivalent circuits, transformer tests and parameter evaluation, parallel operation, Introduction to three-phase transformers

3. Transmission lines and cables: Structure and parameters of lines and coaxial cables, calculation of inductance and capacitance, short and medium lines, nominal T and ' Equivalent circuits, voltage regulation, voltage distribution of insulator string, string efficiency, size of cables.

4. Fault Analysis. P.U. System, single line diagrams, types of faults. Three-phase short-circuit faults and the concepts of fault level, basic equations, short-circuit fault calculations.

5. Substations and Protection. Switchgear, qualities required of protection, components of protective schemes, protection systems, overcurrent, distance and unit protections schemes, numerical relays.

6. Power Electronics: Brief introduction to power semiconductor devices, basic principles of phase control, basic principles of switched mode inverters.
ADDITIONAL ASSESSMENT DETAILS
1 x 1.5 hour class test - 40% which will assess Learning Outcomes 1, 2, 3 and 4.

Coursework (60%) Comprising two laboratory experiments, equally weighted (30% each) - which will assess Learning Outcome 5.
LEARNING STRATEGIES
Lectures (24 hours) and labs/tutorials (12 hours) will form the main teaching activities.
TEXTS
Electrical and Electronic Technology, E Hughes, 10th Edition, Prentice Hall (2008), ISBN: 9780132060110

Power Electronics: Converters Applications and Design, Mohan, Undeland and Robbins, 3rd Edition, John Wiley & Sons (2002), ISBN: 978-0471226932

Power Systems Analysis, J J Grainger and W D Stevenson, McGraw Hill, (1994), ISBN 0-07-061293-5
RESOURCES
Laboratory equipment in power engineering e.g. 3 phase motor test frames, network analysis software such as PSCAD/EMTDC.
SPECIAL ADMISSIONS REQUIREMENTS
Level 4 Electrical and Electronic Principles or equivalent.