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Department of Electronic & Electrical Engineering, Unit Catalogue 2007/08

EE30174 Electrical energy systems and analysis

Credits: 6
Level: Honours
Semester: 1
Assessment: EX100
* To develop the fundamental concepts of electrical energy system operation, analysis and fault diagnosis
* To provide a thorough understanding of the operation and design of the principal types of AC plants and to provide models for the calculation of plant performance.
* To provide students with an insight into, and an understanding of, analytic methods applied to electrical energy system analysis.
Learning Outcomes:

* Calculate the performance of transformers.
* Carry out analyses of symmetrical and asymmetrical fault conditions in electrical energy systems.
* Be able to: perform a multi-node load flow analysis and exercise an informed choice over the solution technique.
* Explain the techniques of dc power transmission including its benefits compared to ac transmission.
* Analyse transients on power systems caused by switching operations or faults for both single and multi-phase situations.
The programme should instil some ability to think in terms of engineering systems, rather than within the traditional boundaries. To this end students should be able to:
* Recognise the principal subsystems of a modern power network.
* Recognise and explain the functional purpose of each subsystem.
* Application of the information, techniques and methods discussed in the lectures, to the analysis of important topics in electrical energy systems.
Energy and power; forms of energy; energy conversion from energy sources including wind , solar, tidal, bio-fuel, wave, hydro, nuclear and fossil fuel.
Structure of a modern power system: operating charts, voltage control, matrix representation of transmission lines. Two port network representation of transmission lines, per unit system, fault analysis: symmetrical components.
Transformers: construction, operation, connections, relevant calculations.
Load flow analysis: network matrix representation, Gauss-Seidel and Newton-Raphson solution techniques. AC/DC conversion: converter types, dc transmission, advantages compared to AC transmission. Overvoltages: switching and fault overvoltages, Bewley Lattice diagrams, switchgear principles, current chopping, insulation coordination. Modal component theory: wave propagation.