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Power Systems Operation and Control

Villamosenergia-rendszer üzeme és irányítása
A tantárgyleírás hatályossága
Hatályosság kezdete:
2026. March 21.
Hatályosság vége:
Subject name (Hungarian, English)
Villamosenergia-rendszer üzeme és irányítása
Power Systems Operation and Control
Subject code BMEVIVEMA15
Subject type
Training Level
Course types and hours (weekly/semester)
Course type lecture tutorial laboratory
hours (weekly) 2 1 0
type (linked/independent) derived course
Assessment type vizsga
Credits 5
Subject coordinator
Vokony István
position: egyetemi docens
Responsible department
Villamos Energetika Tanszék
Faculty Villamosmérnöki és Informatikai Kar
Subject website www.vet.bme.hu
Primary curriculum type
Direct prerequisites – Strong prerequisite none
Direct prerequisites – Weak prerequisite none
Direct prerequisites – Parallel prerequisite none
Direct prerequisites – Milestone prerequisite none
Direct prerequisites – Exclusion none

Objectives

Programme

1. The European power grid. Power systems and transmission system operators in Europe. ENTSO-E statistics. The relevance of cross-border lines. Network Codes, TYNDP.

Operational requirements. Phenomena in power systems (a brief overview). Power quality (a bried overview). System states, system security.

System states. Operating states. Remedial actions in power systems.

 

2. Voltage and frequency dependency of loads. Static load models (ZIP). Frequency dependency.

Load frequency control. Power balance in the power system. Load-frequency control, control hierarchy. FCP, FRP and RRP characteristics. Control reserves. Time control.

 

3-4. Turbine-governor control, LFC. Turbine governor characteristics. The frequency containment process. The frequency restoration process. LFC in details (responsibility principle). IGCC. Under-frequency load-shedding.

 

5. Synchronous machine models, modes of operation. The Up-Xd model. Operational states. Operational limits.

 

6. Practical course - DIgSILENT I: Dynamic performance of a synchronous machine model and its control devices.

 

7. Power system stability. Swing equation. The equal area criterion. Synchronizing power coefficients.

 

8. Voltage control in power systems. Relation between voltage and reactive power. Reactive power balance of transmission lines. OLTC. FACTS.

Voltage stability. The nose curve. Stability indicators.

 

9. Midterm exam.

 

10-11. Inverter-based generation. Classification of power converter operation modes: grid-forming, grid-feeding, grid-supporting. Basic equations and control structures. PLL. The relevance of inertia in power systems. Inertia from converter-connected generation. The synchronverter.

 

12. Small signal stability. Time domain response of linearized systems. Modal analysis. Case studies

 

13. Practical course - Inverter control modeling (MATLAB/Simulink).

 

14. Modelling of the European Power System. Overview of challenges and solutions regarding data exchange and modelling approaches. CGMES data format.

 

15-16. Load-flow. Direct solutions to linear algebraic equations: Gauss-elimination. Iterative algorithms: Gauss-Seidel, Jacobi. Iterative solutions to linear algebraic equations: Newton-Rhapson. The power flow problem: network equations. Load-flow solution by Gauss-Seidel. Load-flow solution by Newton-Raphson. Sparsity techniques. Fast decoupled load-flow. DC load-flow.

 

17. Economic dispatch. The economic dispatch problem. Effect of various constraints.

 

18. SCADA/EMS systems. Components of SCADA systems. SCADA applications. SCADA fundamentals. RTUs/IEDs. SCADA communication. EMS systems. EMS functionalities. PMU measurements.

 

The course is intented to provide theoretical knowledge and practical skills in the following fields: system approach of power system design, operation and control, understanding of related physical phenomena and processes and devices capable of influencing these processes, application of the theoretical knowledge in computer aided design, control and safe operation.

Learning outcomes

Ez a tantárgy a KKK rendeletben meghatározott, következő kompetenciák fejlesztését szolgálja:

Knowledge

No learning outcomes recorded.

Skills

No learning outcomes recorded.

Attitudes

No learning outcomes recorded.

Autonomy and responsibility

No learning outcomes recorded.

Oktatási módszertan

Multimedia-aided lectures, calculation examples on seminars, case studies.

Tanulástámogató anyagok

Online források
·        ; Written study material available; at the Teams channel of the course.; Vijay Vittal, James D. McCalley:; Power System Control and Stability. Third Edition, John Wiley & Sons, 2020,; ISBN 9781119433712; Prabha Kundur – Power System; Stability and Control, McGraw-Hill, 1994, ISBN 0-07-0359858-X; Yazdani, R. Iravani – Voltage-Sourced; Controllers in Power Systems, John Wiley&Sons, 2010, ISBN 9780470551561 ; Jan Machowski, Janusz W. Bialek, James R. Bumby –; Power System Dynamics, Stability and Control, John Wiley&Sons, 2008, ISBN; 978-0-470-72558-0

Recommended preliminary knowledge for completing the subject

Knowledge type competencies
(azon előzetes ismeretek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
Electrotechnical principles of three-phase AC systems, structure of power systems, basics of power transmission, physics of synchronous machines, basic knowledge of control theory and power electronics.
Skill type competencies
(azon előzetes képességek és készségek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
nincs
Recommended (non-compulsory) preliminary competencies
(azon ajánlott (nem kötelező) előzetesen megszerzendő kompetenciák összessége, amelyek jelentősen hozzájárulnak a tantárgy eredményes teljesítéséhez)
Electrotechnical principles of three-phase AC systems, structure of power systems, basics of power transmission, physics of synchronous machines, basic knowledge of control theory and power electronics.
General rules
Requirements: During the semester: Written test (min. 40%)   During examination period:  Written exam with optional oral exam. Passed midterm test is required to sign up for exams.   Final mark is calculated as: Weighted average of test grade (45%), written exam grade (45%) and oral exam grade (10%) if the exam is passed. In case of unsuccessful exam, the final mark is fail (1). Additional possibilities: The midterm test can be repeated once during the repeat period.
Assessment methods
In-term assessments

No detailed assessments provided.

Weight of in-term assessments

No weights provided.

Exam-period assessments

No detailed assessments provided.

Weight of exam elements

No weights provided.

Grade calculation

No grade thresholds provided.

Attendance requirements

No attendance requirements provided.

Rules for retake and resubmission

Not provided.

Short description

Not provided.

Detailed description
IMSc program: - IMSc points: -
Recommended courses
Obligatory: - Suggested: Electric Power Transmission (VIVEAC00)
Workload to complete the subject

No workload breakdown provided.

Validity of subject requirements
Requirements valid from:
Requirements valid until:
Curriculum placement

No curriculum placements recorded for this subject version.