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Modular modelling of combined AC and DC systems in dynamic simulations
Aristidou, Petros; Papangelis, Lampros; Guillaud, Xavier et al.
2015In Proc. of IEEE PES 2015 PowerTech conference
Peer reviewed
 

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Keywords :
Time simulation; phasor approximation; AC/DC systems; multi-terminal DC system; domain decomposition methods; Schur complement; parallel processing
Abstract :
[en] A formulation is proposed in which an AC-DC system is modeled as a combination of AC grids, DC grids, injectors, AC two-ports and AC/DC converters, respectively. This modular modelling facilitates the dynamic simulation of future complex AC/DC systems. Furthermore, it can be exploited by the solver, which performs less operations on components with lower dynamic activity, and offers parallel processing of the time simulation. This approach is illustrated on a test system in which a multi-terminal DC grid connects two asynchronous AC systems, allows frequency support between them, and acts as emergency control against AC voltage instability.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Aristidou, Petros ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Papangelis, Lampros ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Guillaud, Xavier
Van Cutsem, Thierry  ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Modular modelling of combined AC and DC systems in dynamic simulations
Publication date :
June 2015
Event name :
IEEE PES 2015 PowerTech conference
Event place :
Eindhoven, Netherlands
Event date :
28/06/2015-02/07/2015
Audience :
International
Main work title :
Proc. of IEEE PES 2015 PowerTech conference
Peer reviewed :
Peer reviewed
Available on ORBi :
since 08 May 2015

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