Description of Departmental Compulsory Courses
COURSE TITLE
ENGLISH
CODE /NO
ARABIC
CODE/NO.
CONTACT HOURS
/WEEK
C.H.
Th.
TCH
Pr.
Tr.
Electrical Power Systems
EE 451
415 ‫هـ ك‬
3
0
0
3
II
Pre-requisites
EE 351
Load Flow Analysis, Solution of Load Flow Equations, Gauss-Seidel and Newton Raphson
Techniques, Asymmetrical Faults, Phase Sequence Networks, Use of Matrix Methods.
Power System Stability: Steady-State and Transient.
"‫اقصاساا واار الاو امر الليار ما لا‬، ‫يااتسا‬،‫ا رريةا" ا‬:‫ رريةا" اواا سا ساايو‬:‫تحليل سريان األحماا‬
"‫هاب الةااال الا رااميا" الحالاا‬، ‫ شااكاا‬،‫يا"ا اسا رواة رريةا" الماااتاقا ا اسا ةرا‬،‫شاكاا ال اااال اليا‬
.‫المص ةرة الحال" العاارة‬
Objectives: After finishing the course successfully, the student shall
1. recognize the common causes of faults in power systems
2. understand the models for generators during a fault and be able to use the models to
calculate the fault current at any point in time for a fault applied to the terminal of a
generator
3. solve for the voltages and current in a network experiencing a balanced three phase
fault at any location
4. recognize the advantage of using symmetrical components to analyze unbalanced
system operation
5. differentiate between phase values and symmetrical component values
6. evaluate 3-phase power in terms of symmetrical components
7. develop and solve the positive, negative and zero sequence networks for systems
consisting of machines, transmission lines and transformers
8. solve for the fault voltages and currents for single line to ground faults, line to line
faults, and double line to ground faults
9. realize the key needs for system grounding; and be able to determine grounding
impedance
10. know how to treat unbalanced faults with fault and grounding impedances
11. understand the load flow problem in power system networks and be able to appreciate
the need for load flow analysis
12. calculate the bus admittance matrix for a three phase system consisting of
transmission lines, transformers and capacitors
13. solve linear and non-linear simultaneous equations
14. formulate the power flow problem and be able to develop a solution algorithm using
both the Gauss-Seidel and the Newton-Raphson methods
15. develop a simple power flow program implementing the Gauss-Seidel method
16. develop a power flow program implementing the Newton-Raphson method
17. recognize the approximations used in the fast decoupled power flow, and be able to
solve small systems by hand using this algorithm
18. apply a standard power flow program to model a small power system to solve simple
design problems, such as sizing of capacitors needed to correct low bus voltages or
generation re-dispatch to remove transmission line constraints
19. develop a computer program for a comprehensive plan to design a suitable power
system network to meet the increasing energy requirements of regional consumers
over a 5-year plan period
20. recognize the basic principles of power system stability of power networks
21. derive power balance equations of synchronous generators and motors
22. analyze and obtain the steady-state stability limits of a synchronous generator feeding
inductive, synchronous motor and infinite bus networks
23. understand the steady-state stability problem of a point-to-point transmission system
and the importance of system transfer reactance
24. understand how steady-state stability limits of power system networks may be
improved
25. understand the principles of transient stability of power systems
26. analyze the principle of the equal area criterion for assessing the transient stability of
an alternator feeding a large power system network
27. evaluate the swing curve under transient disturbances of a synchronous generator
feeding a large power system network using step-by-step technique and angular
momentum
28. evaluate applications on transient stability problem, e.g. critical fault clearing time,
auto reclosures and sudden increase in prime mover power
29. understand design techniques for improving transient stability of power systems
Contents:
1. Load Flow Analysis, Solution of Load Flow Equations, Gauss-Seidel and Newton
Raphson Techniques,
2. Asymmetrical Faults, Phase Sequence Networks, Use of Matrix Methods.
3. Power System Stability: Steady-State and Transient.
Course Outcomes:
A- Knowledge:
On successful completion of this course, student will be able to:
1. understanding of different types of transients in electrical power systems.
2. understand the relation between phenomena to be studied and power system elements
modeling.
3. concept of simplified systems.
4. concept of excitation and speed control systems, and block-diagram representation.
5. concept of power system stability.
6. concept of computer analysis of power systems.
B-Cognitive Skills:
On successful completion of this course, student will be able to:
1. ability to select appropriate models for a given problem to be studied.
2. ability to select a suitable stability criteria for analysis of power systems for different
parameters, operating, and initial conditions.
3. ability to identify acceptable solutions of problems based on physical and operational
limits of power system components.
4. ability to correlate between a solution based on a given system state to the system
behavior at different states.
C- Interpersonal skills and responsibilities:
On successful completion of this course, student will be able to:
1. ability to model the basic elements of power systems.
2. ability to perform steady-state and transient analysis of simplified electric power
systems equipped with different types of excitation and speed control systems.
3. ability to perform analysis of simplified power systems using different stability
criteria.
4. ability to perform numerical solution of non-linear differential equations representing
simplified power systems affected by large disturbances.
5. using and writing codes using some high level programming languages used in elec.
eng. such as MATLAB.
D- Analysis and communication:
On successful completion of this course, student will be able to:
1. collaborate in writing technical reports and conduct presentation about power system
problems in normal operating conditions
2. utilize the practice for working in a team.
Assessment methods for the above elements
1. Written exams (mid-term & final) to assess understanding and scientific knowledge
2. Assignments and Quiz to assess ability to solve problems and analyze results
independently
3. Report to assess practical, and presentation skills
Weighting of assessments
Quizzes
Assignments
Project
Mid-Term Examination
Final-term Examination
Total
20 %
10 %
10 %
20 %
40 %
100 %
Text book: Hadi Saadat, "Power System Analysis", McGraw-Hill, 2nd ed, 2011
Supplementary references: William D. Stevenson., "Electrical of Power System Analysis",
fourth edition, Mc Graw-Hill, 1982
Class Schedule:

Lectures: two 1.5 hours sessions per week
Course Contribution to professional Component:

Engineering Science:
75 %

Engineering Design:
25 %
Time table for distributing theoretical course contents
weak
25/10/1434
02/11/1434
09/11/1434
16/11/1434
Theoretical course contents
Remarks
Add/Drop Week
Cases of faults in power system networks: external, internal
Symmetrical components: fortes cues theorem
Phase sequence impedances: Sequence Component Networks for generators,
lines and transformers
1
1
1
Quiz # 1
23/11/1434
01/12/1434
1
1
Unbalanced faults: single, line-to-line
Double line-to-ground, three-phase-isolated
Aid Al-Adhaa
15/12/1434
22/12/1434
29/12/1434
07/01/1435
Grounding and fault impedances: in balanced faults for interconnected power
systems
Basic definition of load flow problem: Formulation of System Admittance
Network
Numerical technique for iterative solution of linear and non-linear
simultaneous equations
Gauss - Siedel and Newton - Raphson methods for load flow analyses,
convergence and acceleration forces
1
1
1
2
Mid-term Exam
14/01/1435
21/01/1435
28/01/1435
05/02/1435
Fast decoupled technique for load flow
Stability problem: an overview, power balance equations
Two machine systems, transmission tie - infinite bus system
Steady state stability limit, stability improvement, Transient stability, basic
definition, an overview
2
1
1
1
Quiz # 2
12/02/1435
19/02/1435
26/02/1435
Equal area criterion, Inertia constant and angular momentum
Swing and step-by-step method of solution, Critical clearing angle and time
Stability on fault clearance and reclosure, Improvement of Transient Stability
Limit.
25/2/1435
to
14/3/1335
Final Exam
Instructor:
Dr. Youssef Ahmed Mobarak
Office: Electrical Engineering Staff Office, Room: R05-103
E-mail: y.a.mobarak@gmail.com,
http://www.kau.edu.sa/CVEn.aspx?Site_ID=0056868&Lng=AR
Office Hours:
Sunday:
7:00 – 9:00 AM
Wednesday: 7:00 – 9:00 AM
(Or by appointment)
Date: 25/10/1434 H
http://www.powerworld.com/gloversarmaoverbye
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