Fast Parallel Algorithm on Sparse Matrix for Power System Analysis

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  • 疎行列処理の並列化による電力系統解析の高速化
  • ソギョウレツ ショリ ノ ヘイレツカ ニ ヨル デンリョク ケイトウ カイセキ

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Abstract

Power system analysis is the basis of operation and planning. Since power system is very large and complex, however, it takes long computation time for the analysis. It is desired to develop a fast method especially for transient stability analysis. In this paper, a parallel algorithm for sparse matrix factorization, forward substitution, and backward substitution are discussed. The algorithm is made operational on the actual transputer network. The computation time using the algorithm is measured and compared with that of the ordinary (single processor) algorithm. Finally, the parallel transient stability program is developed and evaluated.

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