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Optimal Short-term Reservoir Operation with Integrated Long-term Goals

Abstract

A methodology to incorporate long-term goals within the short-term reservoir operation optimization model is proposed. Two conflicting objectives for the management of hydropower generation in two different power plants are incorporated. A chance-constrained optimization model is used to derive long-term (annual) operation strategies. With the time horizon of operation for the short-term optimization model kept equal to a single time-step of the long-term optimization model, the optimum end storages derived from the long-term model are incorporated as constraints (storage lower bounds) within the short-term model. The long-term benefits accrued from such an operation model are illustrated for a small reservoir, in South India. The solutions are compared with the historic operation. These are also compared with the solutions of a short-term optimal operation model ignoring long-term goals. The optimization model is solved using a multi-objective genetic algorithm.

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Correspondence to J. Sreekanth.

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Sreekanth, J., Datta, B. & Mohapatra, P.K. Optimal Short-term Reservoir Operation with Integrated Long-term Goals. Water Resour Manage 26, 2833–2850 (2012). https://doi.org/10.1007/s11269-012-0051-z

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Keywords

  • Reservoir operation
  • Short-term, long-term optimization
  • Hydro-power
  • Multi-objective genetic algorithm