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Revista Facultad de Ingeniería Universidad de Antioquia

Print version ISSN 0120-6230

Abstract

GRANADA ECHEVERRI, Mauricio; LOPEZ LEZAMA, Jesús María  and  SANCHEZ MANTOVANI, José Roberto. Flujo de potencia AC descentralizado para sistemas de potencia multi-área usando un método de descomposición basado en relajación Lagrangiana. Rev.fac.ing.univ. Antioquia [online]. 2010, n.53, pp.225-235. ISSN 0120-6230.

A decentralized solution method to the AC power flow problem in power systems with interconnected areas is presented. The proposed methodology allows finding the operation point of a particular area without explicit knowledge of network data of adjacent areas, being only necessary to exchange border information related to the interconnection lines between areas. The methodology is based on the decomposition of the first-order optimality conditions of the AC power flow, which is formulated as a nonlinear programming problem. A 9-bus didactic system, the IEEE Three Area RTS-96 and the IEEE 118 bus test systems are used in order to show the operation and effectiveness of the distributed AC power flow.

Keywords : Decentralized power flow; multi-area power systems; decomposition technique.

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