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Generation maintenance scheduling considering transmission constraints

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3 Author(s)
da Silva, E.L. ; Univ. Federal de Santa Catarina, Florianapolis, Brazil ; Schilling, M.T. ; Rafael, M.C.

This paper describes a new approach for establishing power systems scheduled generators outages for maintenance purposes. The time frame considered refers to power systems short-term operations planning horizon (i.e. one month ahead). The paper's main contribution is focused on modeling grid operational constraints, which are dealt with by a DC optimal power flow. The resulting large-scale optimization problem is solved by mixed-integer programming techniques aided by Benders decomposition strategy. The obtained results clearly show that representing transmission influence is essential for the establishment of a sound set of scheduled outages for the system's generators, especially in the case of hydrothermal systems

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Power Systems, IEEE Transactions on  (Volume:15 ,  Issue: 2 )