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2005-06 Power System Security Assessment and Control in the new Context of Liberalized Electricity Market
November 21-23, 2005


  Power systems have traditionally been operated based on a background of previously performed studies and on the experience of dispatcher operators. Such practice usually leads to conservative limits and cannot often comply with market requirements to fully exploit power system equipment, plants and facilities and with transparency criteria in case of conflictual decisions imposed by regulating bodies. On the other hand, the operator may have to face new operating conditions brought about by the restructured power market and may lack adequate experience to operate the system, the current trend being to operate power systems closer and closer to their limits. This results in increased risks of instability, both of the transient and of the voltage type. These considerations emphasise the need for accurate evaluation of security, performed on different phases of power system operation and in particular made available to the control room operator for on-line assessment and preventive action implementation.
The tremendous advances in computer science and technologies have permitted significant application of methodologies concerning Dynamic Security Assessment (DSA) that have been developed in the last decades and that have recently found the technical support and environment for on-line applications. In the DSA context, a research project partially supported by the European Union within the aims of the Framework V- Energy scheme and named OMASES – Open Market Access and Security Assessment System has produced interesting results. OMASES developed an integrated DSA tool that attempts to cope with the above mentioned challenging requirements.
The course focuses on DSA functions like Transient Stability Assessment (TSA), Voltage Stability Assessment, Training Simulator. An overview and a detailed though synthetic presentation of analytical methods, technologies and experimentations are presented. The aim is to generate a basic although comprehensive knowledge of security assessment and control problems for potential attendees that are typically PhD students, researchers, junior transmission system operators.


Prof. Stefano Massucco in cooperation with Prof. Thierry Van Cutsem and Louis Wehenkel

   Stefano Massucco has been active for 25 years in the field of large and industrial power system management and control. The experience he gained both at University and at the industry (Enel Electric Research Center and Ansaldo S.p.A.) has dealt with modelling and control of production, transmission and distribution systems, power system stability and dynamic security evaluation by the operator in network control centers and industrial plant control rooms. He covered issues regarding power system automation by means of such innovative techniques as artificial intelligence, development of models for turbogas and combined-cycle generating units, load shedding strategies to face emergency conditions in power systems. Over the last years he has dealt with liberalized energy market, definition of ancillary service technical and economical features, role of load in power system security and economics. Prof. Massucco is involved, also as a promoter, in research and development projects financed by European Union, MIUR, CESI, private companies. He participated in CIGRE and IEEE workgroups and task forces. He is a member of AEI, IEEE, CEI 11 D Committee for the definition of power plants-network interface.
Prof. Massucco is author of several scientific publications in power systems. He is official referee for IEEE Transaction on Power Systems, on Energy Conversion, on Automatic Control and of IEE Proceedings on Generation Transmission and Distribution. He is a member of the Scientific Committees of a number of International Symposia and Session chairman.
He is Full Professor of Power System Automation at the University of Genoa and coordinator of PhD courses in Electrical Engineering.


Massimo Gallanti

Rafael Lopez

Stefano Massucco
University of Genova

Mania Pavella
University of Liege

Massimo Pozzi

Marino Sforna

Marc Stubbe

Thierry Van Cutsem
University of Liege

Costas Vournas
Thecnical University of Athens

Louis Wehenkel
University of Liege

Course duration and location

Three days, from Monday 21st to Wednesday 23rd November at Electrical Engineering Department, University of Genova, via Opera Pia 11a, 16145 Genova – Italy.


Courses Contents

New trends and perspectives in research funding for Large Power Systems Operation and Security (invited speaker)

Power System Operation and Control: current problems and perspectives (Stefano Massucco)

The electricity market: an overview of structure and new constraints to power system operation (Massimo Gallanti).

EMS - Energy Management Centers: actual situation and possibilities offered by emerging technologies (Rafael Lopez)

Transient Security Assessment and Control: methodologies and tools for preventive and emergency control (Mania Pavella, Louis Wehenkel)

Voltage Stability Assessment: methodologies and tools (Thierry Van Cutsem, Costas Vournas)

Dynamic Security Assessment in EMS environment: the Italian situation for normal and emergency operation (Marino Sforna)

Power System Simulators: models and tools for analysis and for training (Massimo Pozzi, Marc Stubbe)

Example of DSA analysis (Thierry Van Cutsem, Louis Wehenkel)

Course fees

Registration form