# Course Details

Course Information Package

Course Unit TitlePOWER SYSTEM ANALYSIS
Course Unit CodeAEEE523
Course Unit DetailsMSc Electrical Engineering (Required Courses) -
Number of ECTS credits allocated7
Learning Outcomes of the course unitBy the end of the course, the students should be able to:
1. Demonstrate ability of fundamental power system concepts and analysis techniques
2. Employ and utilise mathematical tools to perform load flow studies
3. Analyse faults in power systems
4. Identify basic power system protection principles
5. Identify basic power system stability and control principles
Mode of DeliveryFace-to-face
PrerequisitesNONECo-requisitesNONE
Recommended optional program componentsNONE
Course Contents

Basic concepts: Power in Single-Phase AC Circuits, Complex Power, The Power Triangle, Direction of Power Flow, Voltage and Current in Balanced Three-Phase Circuits, Power in Balanced Three-Phase Circuits, Per-Unit Quantities, Node Equations, The Single-Line or One-Line Diagram, impedance and Reactance Diagrams

The Admittance model: Branch and Node Admittances, Mutually Coupled Branches in Y-bus, An Equivalent Admittance Network, Modification

of Y-bus, The Network Incidence Matrix and Y, The Method of Successive Elimination, Node Elimination (Kron Reduction), Triangular Factorization, Sparsity and Near-Optimal Ordering

The Impedance Model: The Bus Admittance and Impedance Matrices, Thevenin's Theorem and Zbus, Modification of an Existing Zbus, Direct Determination of Zbus, Calculation of Zbus Elements from Ybus, Mutually Coupled Branches in Zbus

Power-Flow Solutions: The Power-Flow Problem, The Gauss-Seidel Method, The Newton-Raphson Method, The Newton-Raphson Power-Flow Solution

Symmetrical and unsymmetrical Faults: Short-circuit currents and the reactance of synchronous machines, The bus impedance matrix in Fault Calculations, A bus impedance matrix equivalent network, symmetrical components and sequence networks, Single line to ground faults, Line to line faults, Double line to ground faults, Unsymmetrical faults on power systems

Power system protection: Operation of fuses, arcing principles, circuit breaker operation

Power system stability: The stability problem, Rotor dynamics and the swing equation, The power angle equation

Textbooks
• Elements of Power System Analysis, Stevenson, W.D. , McGraw Hill Inc., 4th Edition, 1982.
• Power Systems Analysis and Design, by J. Duncan Glover, Mulukutla S. Sarma and Thomas Overbye, 4th Edition, 2007.
References
• Power Systems Analysis, Saadat H., McGraw Hill, 2nd Edition, 2004.
• Electrical Systems Design, Bosela T.R, Prentice Hall, 2002.
• Power Systems Analysis, Bergen A., Vittal V., Prentice Hall, 2nd Edition, 2000.
• Power System Analysis, Grainger J., McGraw Hill, 1st Edition, 1994.
Planned learning activities and teaching methods

Students are taught the course through lectures (3 hours per week) in classrooms or lectures theatres, by means of traditional tools or using computer demonstration.

Auditory exercises, where examples regarding matter represented at the lectures, are solved and further, questions related to particular open-ended topic issues are compiled by the students and answered, during the lecture or assigned as homework.

Topic notes are compiled by students, during the lecture which serve to cover the main issues under consideration and can also be downloaded from the lecturer’s webpage. Students are also advised to use the subject’s textbook or reference books for further reading and practice in solving related exercises. Tutorial problems are also submitted as homework and these are solved during lectures or privately during lecturer’s office hours. Further literature search is encouraged by assigning students to identify a specific problem related to some issue, gather relevant scientific information about how others have addressed the problem and report this information in written or orally.

Students are assessed continuously and their knowledge is checked through tests with their assessment weight, date and time being set at the beginning of the semester via the course outline.

Students are prepared for final exam, by revision on the matter taught, problem solving and concept testing and are also trained to be able to deal with time constraints and revision timetable.

The final assessment of the students is formative and summative and is assured to comply with the subject’s expected learning outcomes and the quality of the course.
Assessment methods and criteria
 Assignments 20% Tests 30% Final Exam 50%
Language of instructionEnglish
Work placement(s)NO