Influência das Perdas Ativas da Transmissão na Operação de Sistemas Termelétricos (Influence of Active Transmission Losses in the Operation of Thermoelectric Systems)

Ivo Chaves da Silva Junior (ivo.junior@ufjf.edu.br)1, Bruno Henriques Dias (bruno.dias@ufjf.edu.br)1, Edimar José Oliveira (edimar.oliveira@ufjf.edu.br)1, André Luís Marques Marcato (andre.marcato@ufjf.edu.br)1


1Universidade Federal de Juiz de Fora

This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2015
Volume: 13,   Issue: 8 
ISSN: 1548-0992


Abstract:
The present paper analyses transmission systems operation bounds and active power losses influences on thermal Unit Commitment (UC). It makes use of sensitivity indexes based on information obtained from Lagrange multipliers associated with the decision variables. So, the thermal units are put in operation based on a previously obtained merit order. The results obtained through those simulations indicate a satisfactory efficiency of the proposed sensibility and shows the relevance of considering the power loss and operation bounds of the transmission systems in the UC problem.

Index Terms:
Lagrange Multipliers, Transmission System, Thermal Unit Commitment,   


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