Learning Outcomes:
On completion of this module students should be able to:
1. Understand and explain the concepts underlying the structure, function and operation of a power system.
2. Understand and explain the basic concepts of active & reactive power, the use of per phase and per unit analysis, the method of symmetrical components and AC power transmission.
3. Analyse basic problems in power systems using the techniques of per phase analysis, the per unit system and the method of symmetrical components.
4. Understand and explain the concepts underlying power flow analysis, leading to analysis of power systems using power flow techniques.
5. Understand and explain the basic concepts underlying the analysis of power systems under symmetrical and asymmetrical fault conditions, leading to analysis of selected power systems under such conditions.
6. Understand and explain the causes of overvoltages in power systems, leading to the development of analysis techniques, and assessment of mitigation measures.
Indicative Module Content:
Basic concepts: Active and reactive power. Per phase analysis of three phase systems. Per unit system. Method of symmetrical components. AC power transmission.
System components: Steady-state operation and equivalent circuit models of synchronous machine, asynchronous machine, transformer and transmission lines.
Power flow analysis: Power flow equations for multi-bus system. Solution of power flow equations by numerical methods. Application of power flow analysis to selected systems.
Short circuit analysis: analysis of symmetric short circuits in simple power systems. Extension of techniques to large multi-bus systems. Application of method of symmetrical components to analysis of asymmetric faults in power systems.
Transmission line transients: Travelling waves, reflection and refraction in transmission lines. Lattice diagrams. Insulation coordination, protection against overvoltages.