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Article (Scientific journals)
Power System Dynamic Simulations using a Parallel Two-level Schur-complement Decomposition
Aristidou, Petros; Lebeau, Simon; Van Cutsem, Thierry 
2016 • In IEEE Transactions on Power Systems, 31, p. 3984 - 3995
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Keywords :
domain decomposition methods; Schur-complement; power system dynamic simulation; OpenMP; shared-memory
Abstract :
[en] As the need for faster power system dynamic simulations increases, it is essential to develop new algorithms that exploit parallel computing to accelerate those simulations. This paper proposes a parallel algorithm based on a two-level, Schur complement-based, domain decomposition method. The two-level partitioning provides high parallelization potential (coarse and fine-grained). In addition, due to the Schur-complement approach used to update the sub-domain interface variables, the algorithm exhibits high global convergence rate. Finally, it provides significant numerical and computational acceleration. The algorithm is implemented using the shared-memory parallel programming model, targeting inexpensive multi-core machines. Its performance is reported on a real system as well as on a large test system combining transmission and distribution networks.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Aristidou, Petros
Lebeau, Simon
Van Cutsem, Thierry  ;  Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
Power System Dynamic Simulations using a Parallel Two-level Schur-complement Decomposition
Publication date :
2016
Journal title :
IEEE Transactions on Power Systems
Publisher :
IEEE, Piscataway, United States - New Jersey
Volume :
31
Pages :
3984 - 3995
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique

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