Electrical Power Systems II Lecture Notes - Merowe University

Merowe University of Technology Abdulatif Alhamad Faculty of Engineering Electrical Engineering Department 8th semester Electrical Power System II Lec 1:Per unit system Dr. Sara Yahia Altahir 1  Electrical Power Systems II 3(...

Merowe University of Technology Abdulatif Alhamad Faculty of Engineering Electrical Engineering Department 8th semester Electrical Power System II Lec 1:Per unit system Dr. Sara Yahia Altahir 1  Electrical Power Systems II 3(2,0,2) Course Details: Course Code: EE 4207 Course Title: Electrical Power Systems II Prerequisite: Electrical Power Systems I (EE 4104) Credit Hours: 3 credit hours 2  Syllabus  Per Unit System.  Power Systems Matrices.  Study of power flow (load flow ).  Gauss Seidel.  Newton Raphson.  Fast Decoupled Newton Raphson Techniques.  Symmetrical Components.  Study of Power Systems Faults.  Symmetrical and non Symmetrical Short Circuit Faults.  Short Circuit Analysis. 3  Formation of the Z Matrix. Textbook:- Hadi Saadat , Power System Analysis , PSA Publishing; THIRD EDITION edition, June 16 , 2010. References:- 1. J. Duncan Glover , Mulukutla S. Sarma , Thomas Overbye , Power System Analysis and Design , Cengage Learning; 5 th edition, January 3 , 2011. 2. William D. Stevenson, “ Elements of Power System Analysis ", 4 th ed , McGraw Hill, 1999. 3. T K Nagsarkar M S Sukhija Power System Analysis ””,Oxford Uni Press, 2007. 4  Course Objectives:- To make the student familiar with: per unit system, power flow studies, Symmetrical components, symmetrical and unsymmetrical faults, modeling, solution and analysis of electric power systems. 5  Course Description:- 1. Representation of Power Systems: per unit system and single line diagram. 2. Power Systems Matrices: bus admittance and impedance matrices. 3. Load flow analysis: Gauss Seidel and Newton Rapson methods. 4. Symmetrical fault calculation methods: Symmetrical components, sequence networks and unsymmetrical Fault calculation. 6  Course Learning Outcomes:-  Attending this course, the student will gain the following outcomes: 1. Students will be able to apply per unit models of power system components such as generators, transformers, transmission lines, etc. 2. Students will be able to perform network calculation: admittance and impedance matrices, node elimination, and modification of existing bus impedance. 3. Students will learn how to use the numerical techniques applied to the load flow problems. 4. Students will study the symmetrical components technique. 7 5. Students will be able to analyze unsymmetrical ‫( نظام الوحدة‬P.U. or PU or pu) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Note:  In an electrical network, the same base volt- ampere (VA) is used in all parts of the system.  one base voltage is selected arbitrarily at any point in the system.  Base voltages at all other points must be related to the arbitrarily selected base voltage by the turn ratios of the connecting transformers.  For single-phase systems, or balanced 3-phase systems (when solved as a single line with a neutral return), the base quantities in the impedance diagram are per phase volt-ampere in MVA and line-to-neutral voltage in kV. 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 End of lecture 1 Thank you 47