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SAIEE Africa Research Journal
versión On-line ISSN 1991-1696
versión impresa ISSN 0038-2221
Resumen
RAHMAN, Ashfaqur y VENAYAGAMOORTHY, Ganesh Kumar. Spatial Matrix Based Clustering of Sparse Electric Power Networks. SAIEE ARJ [online]. 2019, vol.110, n.1, pp.26-38. ISSN 1991-1696.
Distributed computation is an effective policy to increase the speed of the sparse networked systems. In a sparse network, clustering methods like k-means does not work directly as it cannot explore the connectivity of the system. To solve the problem, two modification methods are proposed in the existing graph and a new graph named Spatial Matrix is introduced in this paper. The proposed modification is a fast process and the computation time can be considered negligible compared to the rest of the process. Thus it preserves the ultimate objective of the distribution. It works as a pre-conditioning that can be used with a wide range of clustering and mathematical tools. With distributed state estimation of IEEE 14, 68, and 118-bus systems with automatic clustering, the effectiveness of the spatial matrix is demonstrated.
Palabras clave : Distributed computation; network clustering; sparse network; spatial matrix; WLS estimator.