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ZUG3043 – Power Systems

Undergraduate – Module

Refer to the specific census and withdrawal dates for the semester(s) in which this module is offered.


Business, Engineering and Technology


South Africa
On-campus block of classes

  • Semester 1, 2020 (Mainstream Programme)
  • Semester 1, 2021 (Extended Programme)

12 credits, NQF Level 7


This module aims at utilising the knowledge that the students obtained in Electrical Circuits fundamentals of the second year module to provide them with in-depth understanding of power system transmission and distribution. This range from voltage transformation by the power transformers to overhead line design and eventual distribution to the point of usage like motors and lights. The safe distribution of electrical power is made possible by protective relays that are set up to isolate the faults without interrupting the supply to other functional areas of the reticulation network. Therefore fault calculation and discrimination setting are an important part of power system protection.


On completion of the module, students will be expected to be able to:

1Describe the principles of Power transmission
2Design power transmission lines
3Explain the concept of power system stability
4Interpret the functioning of voltage and current transformers
5Perform Fault calculations
6Describe the characteristics of protective relays
7Apply principles of electrical power system protection


Coursework assessment: 45%
Examination: 55%

Workload requirements

Power systems engineering is about the reliable and safe supply of electrical power to drive the mechanical engineering systems. It is therefore essential that mechanical engineers are conversant with the power system fundamentals and application. There will be a combination of lectures that include interactive elements, tutorials in which students will do individual work, and assignments in which the students will work in a group. All outcomes will be assessed by means of tutorial work, laboratory work, class tests and a final examination.

Chief examiner(s)





Electrical and Electronic Fundamentals, Differential and Integral Calculus, Advanced Differential and Integral Calculus