Problems of Modeling and Optimization of Heat Supply Systems: Methods to Comprehensively Solve the Problem of Heat Supply System Expansion and Reconstruction

Problems of Modeling and Optimization of Heat Supply Systems: Methods to Comprehensively Solve the Problem of Heat Supply System Expansion and Reconstruction

Valery Stennikov (Energy Systems Institute, Siberian Branch of the Russian Academy of Sciences, Russia), Tamara Oshchepkova (Energy Systems Institute, Siberian Branch of the Russian Academy of Sciences, Russia) and Nikolay Stennikov (Energy Systems Institute, Siberian Branch of the Russian Academy of Sciences, Russia)
DOI: 10.4018/978-1-4666-9755-3.ch002
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Abstract

The paper addresses the issue of optimal expansion and reconstruction of heat supply systems, which includes a set of general and specific problems. Therefore, a comprehensive approach to their solving is required to obtain a technically admissible and economically sound result. Solving the problem suggests search for effective directions in expansion of a system in terms of allocation of new heat sources, their type, output; construction of new heat networks, their schemes and parameters; detection of “bottlenecks” in the system and ways of their elimination (expansion, dismantling, replacement of heat pipeline sections, construction of pumping stations). The authors present a mathematical statement of the problem, its decomposition into separate subproblems and an integrated technique to solve it. Consideration is given to a real problem solved for a real heat supply system. A set of arising problems is presented. The application of developed methodological and computational tools is shown.
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Background

The following methods are applied to determine an optimal structure of heat supply system:

  • 1.

    Comparison of variants specified by an engineer (Robineau, Fazlollahi, Fournier, Berthalon & Verdier, 2014; Shifrinson, 1940; Vasant, 2013; Zanfirov, 1933).

  • 2.

    Search for an optimal configuration of the system (Courant & Robbins, 1941; Fazlollahi, 2014; Weber, 2008).

  • 3.

    Solving a transport problem (Ford & Fulkerson, 1962).

  • 4.

    Application of the technique of “redundant” design schemes (Merenkova, Sennova & Stennikov, 1982; Nekrasova & Khasilev, 1970; Stennikov, Oshchepkova & Stennikov, 2013).

The second and third methods do not take account of such features of HSSs as their distribution on the territory, obstacles to their construction, etc. They have limited practical application, whereas the method for comparison of variants and the technique of redundant design schemes are applied more widely to design heat supply systems.

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