Steady State Power System Analysis

Code:

EEC0105

Acronym:

RESEE

Keywords
Classification	Keyword
OFICIAL	Power

Instance: 2020/2021 - 2S

Active?	Yes
Responsible unit:	Department of Electrical and Computer Engineering
Course/CS Responsible:	Master in Electrical and Computers Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
MIEEC	63	Syllabus	3	-	6,5	63	175,5

Teaching language

Suitable for English-speaking students

Objectives

1- Acquisition of knowledge on the mathematical support of modeling of the electric power system in steady state, methods and calculation algorithms. To gain concepts in power flows, short circuits, static stability and state estimation, and produce simple programming. To know principles, techniques and effects of control actions in steady state.
2 - Acquisition of knowledge to prepare data, build simple programs, use commercial calculation programs, analyze results and draw technical conclusions on steady state problems of electric power systems.

Learning outcomes and competences

Competences CDIO - Conceiving — Designing — Implementing — Operating-1.3,2.1,2.3,3.3 e 4.3

Working method

Presencial

Pre-requirements (prior knowledge) and co-requirements (common knowledge)

Algebra, Numerical Analysis, Programming , Circuits and Eletric Power Systems

Program

Control centres, SCADA and EMS / DMS, importance and functions. Introduction to frquency control in systems operation and AGC.

Models of components for stationary analysis of electrical power systems. Models and algorithms for steady-state power flow in symmetrical three-phase systems: DC model, Newton-Raphson method, Fast Decoupled and radial network models.

Systems security and contingency analysis. Introduction to voltage stability. Introduction to DC state estimation.

Calculation of symmetrical three-phase short-circuits based on nodal impedance matrix. Explicit modeling of three-phase systems and review of the symmetrical components transform. Calculation of asymmetric faults by the composition of direct, inverse and zero (homopolar) sequence networks.

Mandatory literature

Vladimiro Miranda ; Centros de Controlo - SCADA, EMS, DMS: uma introdução, 2019 (in Portuguese (English versions available for several chapters))

Complementary Bibliography

José Pedro Sucena Paiva; Redes de energia eléctrica. ISBN: 972-8469-34-9
Hahi Saadat; Power system analysis. ISBN: 0-07-116758-7
coord. António Gómez Expósito; Análisis y operación de sistemas de energía eléctrica. ISBN: 84-481-3592-X
J. Duncan Glover, Mulukutla S. Sarma; Power system analysis and design. ISBN: 0-534-95367-0
F. Maciel Barbosa; Análise de Sistemas Eléctricos, 2011

Teaching methods and learning activities

Classes of theoretic exposition of the programmatic content with a diversity of projection support. Discussion of real cases involving student participation.
Tutorial classes in a computer lab to solve problems and presentation or discussion of illustrative examples, as well as students supervision in the development of the practical assignment work. Specific software (eg PSS/E, PowerWorld) will be used for support in realistic simulations piloted by students under instructional supervision.

Software

PSS/E

keywords

Technological sciences > Engineering > Electrical engineering

Evaluation Type

Distributed evaluation with final exam

Assessment Components

Designation	Weight (%)
Exame	50,00
Trabalho laboratorial	50,00
Total:	100,00

Amount of time allocated to each course unit

Designation	Time (hours)
Estudo autónomo	65,45
Frequência das aulas	56,55
Trabalho laboratorial	40,00
Total:	162,00

Eligibility for exams

Delivery of two assignment reports, on a group work basis (of 2 students). Not exceeding the number of legal absent licences.

Calculation formula of final grade

Final mark = E x 50% + F x 50%.

Final exam (no consulting): E = 0-20 scale
Frequency mark ("distributed" evaluation): 0-20 scale, each assignment with a weight of 50%.

Approval requires minimum of 80% in each of the above components (exam + 1st assignment + 2nd assignment).

Examinations or Special Assignments

Two assignments will be defined, to be developed during classes and the autonomous study time of the students.

The active participation of students, during class time, in the development of the assignment work wiil be observed and taken in account for the student evaluation.

Students who fail to pass the course may choose keep the frequency mark F (distributed evaluation) to be considered in the following academic year. Students who have already obtained a positive frequency mark F (distributed evaluation) in the previous 2 years may chose to keep such mark instead of delivering the assignment work and being evaluated for the mark F.

Special assessment (TE, DA, ...)

Students under special provisions are required, as a rule, to deliver the assignment reports, meeting the same deadlines as the normal students.

When classes are not attended, interviews may be required to correctly assess the work developed, after the delivery of the assignment reports.

Classification improvement

Only the component E of the final mark can be subject to improvement. The component F, related to class evaluation and assignment work, having a distributed nature, cannot be improved. 

Observations

As a general rule, the use of calculator is allowed only if they meet the follwoing requirements:

- No ability to read pdf files or image format (including vector formats);

- No ability to comunicate.

The use of calculators such as TI NSpire (Texas Instrument) series or equivalent is not allowed.

IN DUE TIME
Abiding by instructions from the Dean of FEUP, let it be known that in the 2019/20 year, and as a consequence of the disruptions caused by the needed response to the COVID-19 pandemic, the student assesssment process was re-shaped as follows:
1. No final exam was required.
2. Student assessment wil be complemented by the execution of a third assignment, to be developed autonomously by the students. This assignment my require a call to all topics taught in the course.
3. Each student may be subject to an oral interrogation, through videoconferencing means, to discuss any or all of the works submitted.
4. The formula to reach a final mark F is modified. All assignments will share equal weight - F = = (T1 + T2 + T3)/3, Tx being the mark obtained in assignment x.
5. The final mark F will serve as frequency mark, as well.
6. No student may be relieved from the execution of any assignment. A minimum mark of 8 (eight) in each assignment is required, in order to secure frequency grading and approval in the course.
7. Students applying for special evaluation terms or appela will be subject to the same regime off assignment execution, repçacing the traditional written exam.

This procedure will be adopted if the Dean of FEUP, in the 2020-21 year, suspends presencial exams. Otherwise, the normal procedure will be followed.