Abstract
Abstract The paper considers the development of mathematical models of combined heat and power plants that are to be used while modelling the fuel and energy complex. Consideration is given to three methods of combined heat and power plant (CHP) modelling: The first method provides for the simplified modelling based on CHP aggregation in one energy zone; the second method is based on modelling the individual CHP using the accurate parameters of their equipment operation; the third method is based on the use of standard regime diagrams for modelling individual CHP. Analysis of the presented methods of CHP modelling revealed that the third method out of the three methods proposed is most appropriate for mathematical models of fuel and energy complex for studying the fuel and power supply reliability. The experimental part of the paper describes the process of deriving the analytical dependencies of electricity and heat generation versus fuel used by CHP that is obtained by the third method proposed.
Highlights
Energy security implies protection of citizens, society, state, and economy from the threat of failure to meet the energy demand for economically feasible energy resources of acceptable quality, and from threat of energy supply interruption [1], [2]
The paper consists of the following sections: literature review includes review of methods for modelling the interrelated operation of electric, heat and fuel systems; a section devoted to methods of modelling presents the approaches to modelling the interrelated operation of fuel and energy complex (FEC); the section of experimental studies gives examples of implementing the proposed approaches of combined heat and power plant (CHP) modelling with account of peculiarities of operation of electric power systems; conclusion offers the summary of the work done
The study primarily focuses on the review and analysis of mathematical models of CHP that are applied in mathematical models of FEC for determination of energy resources shortage and undersupply; it is advisable to consider mathematical models applied for optimization of other parameters of energy systems operation
Summary
Energy security implies protection of citizens, society, state, and economy from the threat of failure to meet the energy demand for economically feasible energy resources of acceptable quality, and from threat of energy supply interruption [1], [2]. It means balancing the demand for and supply of different types of fuel and energy in the face of different threats that have an impact on the fuel and energy complex, and, result in supply reduction [3]. The paper consists of the following sections: literature review includes review of methods for modelling the interrelated operation of electric, heat and fuel systems; a section devoted to methods of modelling presents the approaches to modelling the interrelated operation of FEC; the section of experimental studies gives examples of implementing the proposed approaches of CHP modelling with account of peculiarities of operation of electric power systems; conclusion offers the summary of the work done
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