Tighter Approximated MILP Formulations for Unit Commitment Problems

  title={Tighter Approximated MILP Formulations for Unit Commitment Problems},
  author={Antonio Frangioni and Camillo Gentile and Fabrizio Lacalandra},
  journal={IEEE Transactions on Power Systems},
The short-term unit commitment (UC) problem in hydrothermal power generation is a large-scale, mixed-integer nonlinear program, which is difficult to solve efficiently, especially for large-scale instances. It is possible to approximate the nonlinear objective function of the problem by means of piecewise-linear functions, so that UC can be approximated by an mixed-integer linear program (MILP); applying the available efficient general-purpose MILP solvers to the resulting formulations, good… CONTINUE READING
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