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Keyword: hydro-thermal coordination

  • Optimal hydro-thermal coordination with a maximum res power utilization strategy constraints model

    • Trashlieva V.
    • Radeva T.
    Mathematical Modeling, Vol. 2 (2018), Issue 4, pg(s) 149-152
    • Abstract
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    This paper presents a formal and practical approach onto the short-term evaluation of the impact of the different RES power generation technologies. All these are considered stochastic and basically unreliable in the active power balance but they also seem to be an irreplaceable part of the electric power generation in the future. Here a generalized hydro-thermal coordination optimization model is presented aiming to help a day-ahead power balance impacts analysis and some further risk assessment to the EPS security and resilience.

  • INNOVATIVE SOLUTIONS

    POWER GENERATION OPTIMAL DISPATCH MODEL WITH CROSS-BORDER EXCHANGE MODEL FORMULATION

    • Trashlieva V.
    • Radeva T.
    Innovations, Vol. 6 (2018), Issue 1, pg(s) 40-43
    • Abstract
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    In this paper a model for optimal hydro-thermal coordination of a power system is proposed when contracts for power import and export power are available. The power flows outside the localized area of the local power system are divided into planned and planned quantities in order to assign different penalties for them in the cost criterion. The model also introduces the work of thermal and hydro power plants by separating each unit with a linear approximation. The resulting model is a mixed-integer linear programming problem.

  • MATHEMATICAL MODELLING OF TECHNOLOGICAL PROCESSES AND SYSTEMS

    ELECTRIC POWER SYSTEMS MODELING AND EDUCATION: HYDRO POWER STATIONS MODELING FRAMEWORK

    • Trashlieva V.
    • Radeva T.
    Mathematical Modeling, Vol. 1 (2017), Issue 3, pg(s) 152-154
    • Abstract
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    In this paper we try to bring a modeling framework in optimization problems for hydro-thermal coordination problems solved in electric power systems. There are certain specifics when dealing with hydro power plants and the reservoirs they are fed from. In many cases these water reservoirs are connected and this involves additional complications in optimization models building. We give guidelines for model size reduction and awareness. This framework is suitable for practitioners willing to be aware of hydro-power modeling and optimization but having no previous mathematical optimization training and experience.

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