July 20, 2010

Active Network Equivalent for Load Flow studies

Abstract: R.R. Roberge and M. Etezadi-Amoli, PAS 93, No. 6, November/December 1974, p.1740

This paper develops an active equivalent for a sub-network of an interconnected network and incorporates this equivalent into an efficient load-flow technique. The network is divided into two parts called the “save” and “displaced” sub networks. The “save” subnetwork is the area of interest and the part for which a complete solution is desired. The “displaced” portion of the network is replaced by equivalent elements equal in number to the junction buses between the subnetwork. The equivalent element are connected to the junction buses and include the effect of all the generators in the displaced network. There is no limitation to the number or location of the generators

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