Power System Stability and Control

Online /
Nov 14 - 18, 2022 /
Course Code: 13-1127-ONL22

The confirmation of this course depends on early registration; Register early to avoid the postponement or cancellation of a course.
  • Overview
  • Syllabus
  • Instructor


Please note, This instructor-led course has specific dates and times:
This course is held online over 5 days on the following schedule (All times in Eastern Time Zone):

1:00 pm to 6:00 pm Eastern (Will include breaks)

This course will help you to:

  • Possess advanced knowledge about methods for dynamic power system analysis, including steady state and transient stability
  • Possess advanced knowledge of modelling of synchronous machines for dynamic analysis (in steady state operation and during grid faults)
  • Have specialized insight and understanding of power-frequency control and voltage control using detailed models of turbines, generators and network
  • Emphasis on modelling of synchronous machines with excitation systems and hydro turbines including penstock and hydraulic system
  • Have specialized insight and understanding of the principles for primary control, including modelling of turbine governors and voltage controllers
  • Have specialized insight and understanding of the principles for secondary control, including set point control of active power and voltage, active reserves and load following control
  • Possess advanced knowledge of modelling and dynamic analysis of large power systems, in particular power system damping issues involving modal analysis
  • Know the construction, modelling and control of HVDC and FACTS components related to power system stability

This course will provide a comprehensive overview of power system stability and control of power system and their problems. This includes the basic concepts, physical aspects of the phenomena, methods of analysis, examples of incidents of system instability, challenges to the secure operation of present-day power systems, and comprehensive approach to enhancing system security.

Who should attend:

Power System Analysts and Engineers, including Generation and Transmission Planners and Operational Engineers • Protection Engineers • ISO/RTO Technical Staff • Operations Supervisors • Power Developers and Marketers • Power Exchange Personnel • Regulatory Staff • Economic and Management Consultants

Course Outline:

  • Introduction to power system stability
  • Review of equipment characteristics and modelling
  • Control of active power and frequency
  • Control of reactive power and voltage
  • Transient (angle) stability
  • Small-signal (angle) stability
  • Sub-synchronous torsional oscillations
  • Voltage stability
  • Frequency stability
  • Wind turbine generators
  • Major power grid blackouts in recent years
  • Comprehensive approach to power system security

Special Features:
Virtual Training Methodology:

  • A combination of virtual lectures and digital practical exercises, polls, whiteboards, virtual gamification along with digital documents and videos.
  • Individual, pair and group work through breakout rooms to develop the skills learned on the course.
  • Delivered over five consecutive days of 5 hours plus an additional break.
More Information

Time: 1:00 PM - 6:00 PM Eastern Time

Please note: You can check other time zones here.


Day 1

  1. Introduction to Power System Stability
  • Definition and classification of power system stability
  • Brief description of each category of system stability
  • Conceptual relationship between power system stability, security, and reliability
  • Traditional approach power system security assessment
  • Challenges to secure operation of present-day power systems
  1. Review of Equipment Characteristics and Modelling
  • Synchronous machines: theory and modelling, machine parameters, saturation modelling, synchronous machine representation in stability studies, reactive capability limits.
  • Excitation systems: elements of an excitation system, types of excitation systems, control and protective functions, modelling.
  • Prime movers and governing systems: hydraulic turbines and governing systems, steam turbines and governing systems, gas turbines and combined-cycle units.
  • Generating unit testing and model validation: test procedures, current industry practices.
  • AC Transmission: performance equations and parameters, surge impedance loading, voltage-power characteristics, reactive power requirements, loadability characteristics, factors influencing transfer of active and reactive power.
  • Power system loads: basic modelling concepts, static and dynamic models, acquisition of load model parameters.

Day 2

  1. Control of Active Power and Frequency
  • Fundamentals of frequency control
  • Composite regulating characteristics of power systems
  • Automatic generation control
  • Under-frequency load shedding
  1. Control of Reactive Power and Voltage
  • Control objectives
  • Production and absorption of reactive power
  • Methods of voltage control
  • Principles of reactive compensation in transmission systems
  • Static and dynamic compensators
  • Coordinated control of reactive power and voltage
  1. Transient (angle) Stability
  • An elementary view of the transient stability problem
  • Simulation of power system dynamic response
  • Numerical integration methods
  • Performance of protective relaying
  • Transient stability enhancement
  • Examples of major system blackouts due to transient instability

Day 3

  1. Small-Signal (angle) Stability
  • Nature and description of small-signal stability (SSS) problems
  • Methods of analysis; modal analysis approach
  • Characteristics of local-plant mode and inter-area mode oscillations
  • Examples of major system disturbances due to small-signal instability
  1. Sub-synchronous Torsional Oscillations
  • Steam turbine generator torsional characteristics
  • Torsional interaction with power system controls: PSS, HVDC converter controls
  • Subsynchronous resonance
  • Impact of network-switching disturbances

Day 4

  1. Voltage Stability
  • Description of the phenomenon
  • Factors influencing voltage stability
  • Methods of analysis
  • Typical scenarios of short-term voltage instability and long-term voltage instability
  • Prevention of voltage instability
  • Examples of major system disturbances due to voltage instability
  1. Frequency Stability
  • Nature and description of frequency stability problems
  • Examples of system disturbances caused by frequency instability
  • Analysis of frequency stability problems
  • Mitigation of frequency stability problems.

Day 5

  1. Wind Turbine Generators
  • Wind turbine characteristics
  • Types of wind turbine generator technologies
  • Impact on power system dynamic performance
  • Performance requirements and Grid Codes
  1. Major Power Grid Blackouts in Recent Years
  • Description of events
  • Causes of blackouts; Lessons learned
  1. Comprehensive Approach to Power System Security
  • Application of robust power system controls
  • Defense plan against extreme contingencies
  • Restoration plans
  • On-line security assessment
  • Reliability management system
  • Wide-area monitoring and control


Mohamed Ahmed (Sadek), Ph.D., P.Eng.

Dr. Mohamed Ahmed has more than 25 years of hands-on experience in R&D, conceptual and detailed engineering, electricity markets, electricity market design, engineering and project management all in the Electrical Power System (Transmission and Distribution) business. Dr. Ahmed has an extensive experience with the safe, efficient and effective operation of the power system and system dispatch operations within North America and Middle East. Dr. Ahmed was responsible for providing the leadership and direction to ensure that the necessary staff, policies and procedures are in place and a culture of reliability and compliance with NERC and NPCC are developed and implemented to provide safe, secure and economic local and regional transmission system operation.

Dr. Ahmed has also conducted many techno-economic feasibility studies involving steady state and dynamic modeling and analysis of power systems including smart grids, thermal and renewable generation interconnection, HVDC systems, and power electronic converters. Dr. Ahmed also developed conceptual and detailed designs of several T&D systems for utility, commercial and industrial projects.

Dr. Ahmed was the lead developer of the DR Auction, Capacity Auction, Market Power Mitigation in the Energy Market for the IESO in Ontario. He is a proficient user of PSS®E, DSA TOOLS, GE-PSLF, GE-MAPS, GE-MARS, CDEGS–SES, ETAP, CYME, EDSA, GAMS, PROMOD, UPLAN, PLEXOS, PSCAD/EMTDC, and MATLAB/SIMULINK power system simulation tools. Besides, he has developed power system analysis and energy management software tools including load flow and short circuit analysis of power systems with renewable energy resources and optimal hydrothermal generation scheduling. He participated in preparing several winning proposals, including both technical and budget estimation activities.

Dr. Ahmed has been also responsible for the development of competitive (FERC 1000) and merchant transmission projects in several independent system operators in the US including PJM, SPP and MISO.

Dr. Ahmed is an IEEE member where he actively participates in several IEEE Task Forces on modeling and analysis of distributed energy resources. He is also an official technical reviewer for IET and IEEE Power and Energy Society journals and conference publications. In addition, he has developed and delivered short courses/lectures/tutorials related to power system engineering education and training.

Dr. Ahmed is a registered engineer with the Egyptian Syndicate of Engineers and a registered Professional Engineer in the Province of Ontario, and Province of Alberta, Canada.

Dr. Ahmed has received the B.Sc. and M.Sc. degrees in Electrical Engineering from Ain Shams University, Cairo, Egypt, in 1999 and 2005, respectively, and the Ph.D. degree in Electrical Engineering from the Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada, in 2012.

In the last year of Dr. Ahmed’s PhD (2011 – 2012), he got a full one-year internship at Hydro-One; the largest Utility in Canada. In his internship, the main goal was to increase the capability of Hydro-One feeders to accommodate more renewable energy projects without affecting the operation of the distribution system, to facilitate that he developed a multi-agent system to control the voltage across some Hydro-One feeders, using the existing system assets (i.e. voltage regulators, capacitors, energy storage, Inverter based DGs, etc.)

Since Dr. Ahmed’s graduation in 2012, he decided to shift his career from academia to industry to gain practical experience to augment his academic knowledge. First, he worked as a Senior Research Engineer with IBM Canada, Research and Development Department, Smart-Planet Division, for two years (2012 – 2014) on a project titled “Effects of Weather Forecasting on the Evaluation of the Reliability of Electrical Transmission and Distribution Systems.” In this project, he used IBM High-Performance Computing and IBM Big Data Analytics Platforms (e.g., Info-Sphere Streams “SAS”, Big-Insights, and Cloud Computing), and Artificial Intelligence (AI) techniques, those tools and techniques are very powerful especially when it comes to large-scale data applications for the new structure of the power system with Smart-Grids and Micro-Grids. In addition, in this project, he used different optimization techniques, stochastic processes, simulation, and data analytics with applications in logistics and supply chain management of the electric utility resources to improve the revenue management, quality, and reliability of the electric supply of Hydro-One.

After IBM, Dr. Ahmed moved to work with the Independent Electricity System Operator (IESO) of Ontario, Canada, as a Power System Engineer for two years (2014 – 2015) where he contributed to the operation of the bulk power system in North America. Dr. Ahmed worked with the System Performance Department in developing and maintaining power system models using PSS/E and DSA tools for power flow, short circuit, and transient and dynamic stability analysis of the IESO controlled grid and to develop static and dynamic network equivalents for off-line and online applications. During his assignment with IESO, he was the main key resource in developing the first market for Demand Response in Ontario, named Demand Response Auction started in December 2015. To design the market, Dr. Ahmed started with the High-Level Design concepts and then he drafted the Detailed Design document and the business requirements. To develop the tool, he had to do extensive modeling for the IESO tool requirements including formulating the objective function and the different constraints, and then the tool used the MILP optimization method.

In 2016, Dr. Ahmed moved to SNC-Lavalin, Grid Solutions Department, Hydro and Power Delivery, Toronto, Canada, as a Senior Planning Engineer. SNC-Lavalin is one the largest EPC (Engineering, Procurement, and Construction) companies in the world with more than 70,000 employees across the globe. He was responsible for different national and international projects and renewable projects in North America and in the Middle East; these projects include Master Plans for different countries, FERC 1000 regional and interregional competitive transmission projects in different US footprints, pre-feasibility studies and connection impact assessments for large loads, conventional generation and renewable energy projects.

Starting January 2019, Dr. Ahmed joined back IESO, as a Senior Specialist Forward Markets & Adequacy, Market Renewal Program to contribute to the largest project that IESO have ever had, this Market Renewal Program was to introduce a new Capacity and Energy Market designs and to overcome the deficiencies that the Energy Market had since it is started in 2002. Dr. Ahmed took major roles in the two projects, and they started by scoping, preparing High-Level Design (HLD), interacting with Stakeholders to get their feedback on the HLD, update the HLD, prepare the Detailed Design (DD) documents, interact with Stakeholders. After that, publish updated version of the DD, prepare the business requirement (BRD) document and the Functional Specification Document (FSD), drafting the regulatory framework (i.e. Market Manuals and Market Rules), the implementation phase, and testing. For almost a year, Dr. Ahmed was leading a group of engineers to design the auction mechanics for the Capacity Auction in Ontario, he interacted with the most experienced consultant in North America “Brattle Group”, he had day-to-day interactions with them, and then he led the interactions with the Accenture as a vendor to implement the auction engine. Since January 2020, Dr. Ahmed moved to the Energy side, Dr. Ahmed is currently responsible for the Market Power Mitigation (MPM) design, and implementation in the new Calculation Engine, the vendor of the calculation engine is ABB (Hitachi-Energy). Dr. Ahmed is leading the interactions with HAPG to make sure the new engine meets all the business requirements.

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Fee & Credits

$2595 + taxes

  • 2.5 Continuing Education Units (CEUs)
  • 25 Professional Development Hours (PDHs)
  • ECAA Annual Professional Development Points

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