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On the convergence of relaxation schemes to couple phasor-mode and electromagnetic transients simulations
Plumier, Frédéric; Geuzaine, Christophe; Van Cutsem, Thierry
2014In Proceedings of the IEEE PES General Meeting
Peer reviewed
 

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Keywords :
Hybrid simulation; electromagnetic transients; phasor approximation; equivalents; co-simulation
Abstract :
[en] Hybrid simulations combining phasor-mode and electromagnetic transients models aim at taking advantage of computational speed of the former and accuracy of the latter. For simulation accuracy, a relaxation process is used, which consists of iterating between both models. The convergence properties of this relaxation process are investigated. The speed of convergence is assessed when the variables exchanged at the interface between both models are respectively pure voltage/current sources, Norton/Thévenin equivalents, or a combination of them. Iteratively updated Norton/Thévenin equivalents are shown to drastically reduce the number of relaxation iterations.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Plumier, Frédéric ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Geuzaine, Christophe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Van Cutsem, Thierry  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
On the convergence of relaxation schemes to couple phasor-mode and electromagnetic transients simulations
Publication date :
July 2014
Event name :
IEEE Power Engineering Society General Meeting
Event organizer :
IEEE
Event place :
Washington DC, United States
Event date :
du 27 au 31 juillet 2014
Audience :
International
Main work title :
Proceedings of the IEEE PES General Meeting
Peer reviewed :
Peer reviewed
Funders :
Belgian Science Policy (IAP P7/02)
Walloon Region of Belgium (WBGreen Grant FEDO)
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