Introduction to the operation of power systems
— The energy transition is highlighting many upheavals in the electricity system, with the emergence of new forms of generation that are more dependent on the weather and more decentralized, as well as new forms of consumption that are more flexible and satisfy new uses such as the electric vehicle. At the interface between production and consumption, networks are at the very core of the electrical system, and their operators are constantly innovating to support the energy transition.

• Introduce the basics of operating an electrical system.
Describe the organization chosen in Europe to operate, control and ensure the safety of the system.
Describe the structure of the European markets and their potential operational and strategic impacts.


This course is intended for students, consultants and energy analysts who whish to gain an understanding of the operation of power transmission systems.


Artelys experts in power systems.

Introduction to Power Systems Analysis
• Theory of transmission: power and energy, direct current, choice of frequency.
• Alternating current: single-phase alternating current, complex representation, power in single-phase alternating current, three-phase circuit.
•Standardization Per Unit.

Structure of a generation-transmission-consumption network
• Production, merit order principle.
• Use of electrical energy, characterization of consumption.
• Balance between production and consumption, notion of optimal adapted park.
• Need for an electrical network and structuring.

Control of the energy system
• The basics of system control.
• Active power and frequency control: primary, secondary and tertiary control.
• Voltage and reactive power regulation: automatic voltage regulator, on-load regulator, reactive power injection.
• Power transits.

Interaction with markets
• Energy Only market model and clearing algorithms.
• Structure of the electricity markets.
• Reserve markets, interaction with settings.
• Market coupling and regional operational security coordination.

Management of energy systems
• Pi model of a branch.
• Power Flow: AC and DC modeling.
• Sensitivity analysis, calculation of PTDF.
• Optimal Power Flow.

System security
• Major incidents in France and worldwide, typology of network collapses.
• Network protection: N-k preventive and curative actions, defense plan.

Practical work: Power Flow and security analysis in Python with PowSyBl

Training duration
2 days
Entire Catalog
Available on this link
Artelys is a training institution, registered in France under registration number 11754066975.


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