Ernst, D., Wehenkel, L., & Pavella, M. (2009). What is the likely future of real-time transient stability ?

*Proceedings of the 2009 IEEE/PES Power Systems Conference & Exposition (PSCE 2009)*.Peer reviewed

Despite very intensive research efforts in the field of transient stability during the last five decades, the large majority of the derived techniques have hardly moved from the research laboratories to the ...

Glavic, M., Ernst, D., Ruiz-Vega, D., Wehenkel, L., & Pavella, M. (2007). E-SIME- A method for transient stability closed-loop emergency control: achievements and prospects.

*Proceedings of 2007 IREP Symposium - Bulk Power Systems Dynamics and Control - VII*.Peer reviewed

A general response-based technique is presented for closed-loop transient stability emergency control. It relies on E-SIME, derived from the hybrid transient stability method, SIME. E-SIME uses real-time ...

Cirio, D., Lucarella, D., Vimercati, G., Massucco, S., Morini, A., Silvestro, F., Ernst, D., Pavella, M., & Wehenkel, L. (2005). Application of an advanced transient stability assessment and control method to a realistic power system.

*Proceedings of the 15th Power System Computation Conference (PSCC 2005)*.Peer reviewed

The paper presents a technical overview of a large research project on Dynamic Security Assessment (DSA) supported by EU. Transient Stability Assessment and Control, which was one of the main goals of the ...

Wehenkel, L., Ruiz-Vega, D., Ernst, D., & Pavella, M. (2005). Preventive and emergency control of power systems.

*Real Time Stability in Power Systems - Techniques for Early Detection of the Risk of Blackout*(pp. 199-232). Springer Berlin / Heidelberg.A general approach to real-time transient stability control is described, yielding various complementary techniques: pure preventive, open loop emergency, and closed loop emergency controls. The organization ...

Wehenkel, L., & Pavella, M. (2004).

*Preventive vs. emergency control of power systems*.Peer reviewed

A general approach to real-time transient stability
control is described, yielding various complementary techniques:
pure preventive, open loop emergency, and closed loop
emergency controls. The ...

N'Guessan, A., Pavella, M., & Wehenkel, L. (2003). An implementation of on-line transient stability screening and control using distributed processing.

*Proc. of Intelligent Systems Application to Power Systems*(pp. 6).Peer reviewed

This paper describes the implementation of an online
transient stability assessment software, composed of
algorithms for contingency screening and for the design of
preventive control actions. The ...

Ernst, D., Ruiz-Vega, D., Pavella, M., Hirsch, P., & Sobajic, D. (2001). A unified approach to transient stability contingency filtering, ranking and assessment.

*IEEE Transactions on Power Systems, 16*(3), 435-443.Peer reviewed (verified by ORBi)

This paper proposes a unified approach to contingency filtering, ranking and assessment in power system transient stability studies. The approach consists of two-block techniques in which the first block ...

Ghandhari, M., Andersson, G., Pavella, M., & Ernst, D. (2001). A control strategy for controllable series capacitor in electric power systems.

*Automatica, 37*, 1575-1583.Peer reviewed (verified by ORBi)

It has been veri"ed that a controllable series capacitor with a suitable control scheme can improve transient stability and help to damp electromechanical oscillations. A question of great importance is the ...

Roth, A., Ruiz-Vega, D., Ernst, D., Bulac, C., Pavella, M., & Andersson, G. (2001). An approach to modal analysis of power system angle stability.

*Proceedings of IEEE Powertech 2001*.Peer reviewed

An approach to modal analysis and modal identification is proposed, capable of complementing the panoply of existing methods. It is based on a hybrid time-domain – direct transient stability method called ...

Avilas-Rosales, R., Ruiz-Vega, D., Ernst, D., & Pavella, M. (2000). On-line transient stability constrained ATC calculations.

*Proceedings of the IEEE Power Engineering Society Summer Meeting 2000 - Volume 2*(pp. 1291-1296).Peer reviewed

Transient Stability Assessment, preventive control measures and dynamic A X calculations are addressed for the new deregulated EMS system. The combination of time domain analysis, SIME and Optimal Power Flow ...

Ernst, D., & Pavella, M. (2000). Closed-loop transient stability emergency control.

*Proceedings of the IEEE Power Engineering Society Winter Meeting 2000*(pp. 58-62).Peer reviewed

The question of transient stability control is revisited, various types of controls are identified, and a general approach to closed-loop emergency control is proposed. The focus is on feasibility aspects ...

Ernst, D., Ruiz-Vega, D., & Pavella, M. (2000). Preventive and emergency transient stability control.

*Proceedings of the VII Symposium of Specialists in Electric Operational and Expansion Planning (SEPOPE 2000)*.Peer reviewed

A unified approach to transient stability closed-loop control is presented. It relies on the general transient stability method called SIME, from which the Preventive and the Emergency SIMEs are derived. The ...

Ruiz-Vega, D., Ernst, D., & Pavella, M. (2000). Preventive countermeasures for transient stability-constrained power systems.

*Proceedings of the VII Symposium of Specialists in Electric Operational and Expansion Planning (SEPOPE 2000)*.Peer reviewed

A general transient stability control technique is applied to the design of preventive countermeasures consisting of rescheduling generators’ active power. The technique relies on SIME, a hybrid direct–time ...

Bettiol, A., Ruiz-Vega, D., Ernst, D., Wehenkel, L., & Pavella, M. (1999). Transient stability-constrained optimal power flow.

*Proceedings of the IEEE Power Tech'99*.Peer reviewed

This paper proposes a new approach able to maximize the interface flow limits in power systems and to find a new operating state that is secure with respect to both, dynamic (transient stability) and static ...

Ernst, D., Bettiol, A., Zhang, Y., Wehenkel, L., & Pavella, M. (1998). Real-time transient stability emergency control of the South-Southeast Brazilian system.

*Proceedings of SEPOPE 1998*.A method is proposed for during transients emergency control which predicts the evolution of a system undergoing a major disturbance and, if loss of synchronism is anticipated decides control actions able to ...

Zhang, Y., Wehenkel, L., Rousseaux, P., & Pavella, M. (1997). SIME: A hybrid approach to fast transient stability assessment and contingency selection.

*International Journal of Electrical Power & Energy Systems, 19*(3), 195-208.Peer reviewed (verified by ORBi)

We propose an integrated scheme for transient stability
assessment which in a sequence screens contingencies and
scrutinizes only the selected ones. This scheme is based on a
hybrid method, called SIME for ...

Wehenkel, L., & Pavella, M. (1993). Decision tree approach to power systems security assessment.

*International Journal of Electric Power and Energy Systems, 15*(1), 13-36.Peer reviewed (verified by ORBi)

An overview of the general decision tree approach to power system security assessment is presented. The general decision tree methodology is outlined, modifications proposed in the context of transient ...

Wehenkel, L., & Pavella, M. (1991). Decision Trees and Transient Stability of Electric Power Systems.

*Automatica, 27*(1), 115-134.Peer reviewed (verified by ORBi)

An inductive inference method for the automatic building of decision trees is investigated. Among its various tasks, the splitting and the stop splitting criteria successively applied to the nodes of a grown ...

Wehenkel, L., Van Cutsem, T., & Pavella, M. (1989). An Artificial Intelligence Framework for On-Line Transient Stability Assessment of Power Systems.

*IEEE Transactions on Power Systems, 4*(2), 789-800.Peer reviewed (verified by ORBi)

A framework is proposed to tackle the online transient stability problem of power systems. Based on artificial intelligence, it successively makes use of an inductive inference method to build decisions ...