Study on Operation of Area Energy System that Interchanges Energy among Multiple Heat Source Plants : Part1-Method of Simulation and Basic Case Study

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  • KOBAYASHI Tetsuya
    Department of Urban Environmental Studies, Graduate School of Environmental Studies, NAGOYA University
  • HOSHIDA Toshihiro
    Nagoya Energy Service Co. Ltd.
  • AMEMIYA Satoru
    Department of Urban Environmental Studies, Graduate School of Environmental Studies, NAGOYA University
  • OKUMIYA Masaya
    Department of Social Environmental Engineering, Graduate School of Environmental Studies, NAGOYA University

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Other Title
  • 熱エネルギーの相互融通を行う面的熱源システムの運用に関する研究 : 第1報-シミュレーション手法と基礎的ケーススタディ
  • 熱エネルギーの根互融通を行う面的熱源システムの運用に関する研究(第1報)シミュレーション手法と基礎的ケーススタディ
  • ネツ エネルギー ノ コン ゴ ユウズウ オ オコナウ メンテキ ネツゲン システム ノ ウンヨウ ニ カンスル ケンキュウ(ダイ1ポウ)シミュレーション シュホウ ト キソテキ ケース スタディ

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Distributed energy systems are henceforth expected to function as area energy network models. However, optimization of such a system is rather complex. Thus, it is very important to study effective heat source operation in the planning phase. The purpose of this study is to optimize the operation of a distributed heat source system that interchanges energy among buildings or plants. In this paper, reporting a study that is the first of its kind, the authors develop a simulation model for optimizing the operation of this system and conduct a case study using this simulation model. In this case study, a scenario of a restriction on spaces for constructing large-scale heat source plants, such as those in central urban areas, is considered. Heat sources are distributed among some plants and connect heating and cooling equipment among these plants. The simulation results show that the distributed heat source system conserves more energy or as much as that by a conventional large-scale district heating and cooling system, owing to optimized operation. Further, it is found that optimum operation differs with the composition of the heat exchanging network and the amount of heat required.

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