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Interior-Point Methods Applied to the Predispatch Problem of a Hydroelectric System with Scheduled Line Manipulations

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Author(s): Silvia M. S. Carvalho | Aurelio R. L. Oliveira

Journal: American Journal of Operations Research
ISSN 2160-8830

Volume: 02;
Issue: 02;
Start page: 266;
Date: 2012;
Original page

Keywords: Interior-Point Methods | Scheduled Line Manipulations | Hydroelectric Systems | The Brazilian Power System

ABSTRACT
Transmission line manipulations in a power system are necessary for the execution of preventative or corrective main- tenance in a network, thus ensuring the stability of the system. In this study, primal-dual interior-point methods are used to minimize costs and losses in the generation and transmission of the predispatch active power flow in a hydroelectric system with previously scheduled line manipulations for preventative maintenance, over a period of twenty-four hours. The matrix structure of this problem and the modification that it imposes on the system is also broached in this study. From the computational standpoint, the effort required to solve a problem with or without line manipulations is similar, and the reasons for this are also discussed in this study. Computational results sustain our findings.

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Tangokurs Rapperswil-Jona

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