Fluxo de Carga em Sistemas de Distribuição Radiais com Geração Distribuída: Método da Soma de Potência Modificado (Radial Distribution Systems Power Flow with Distributed Generation: Modified Power Summation Method)

Benemar Alencar de Souza (benemar@ee.ufcg.edu.br), Helon David de Macêdo Braz (helon@ee.ufcg.edu.br), João Marcelo Cavalcante de Albuquerque (joaomarcelo@ee.ufcg.edu.br), Julio Guilherme Gerlach Gutterres (julio.ggg@ee.ufcg.edu.br)


Grupo de Sistemas Elétricos, Depto. de Engenharia Elétrica, Universidade Federal de Campina Grande - PB - Brasil
This paper appears in: Revista IEEE América Latina

Publication Date: May 2006
Volume: 4,   Issue: 3 
ISSN: 1548-0992


Abstract:
In this work, the Power Summation Method is adapted to be applied in distribution systems that include distributed generation. The voltage control at the generation buses is treated as an optimization problem, which uses the Newton-Raphson method as the minimization technique. The algorithm is iterative and includes the reactive and voltage limits constraints for each generator. The accuracy and computational efficiency of the proposed method were evaluated by comparing its performance with the Newton-Raphson conventional power flow. The test system was a 36 buses feeder with two generators installed.

Index Terms:
Distributed Generation, Power Summation Method, Distribution Systems Power Flow   


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