Increased Efficiency Through Intelligent Networking of Producers and Consumers in Commercial Areas Using the Example of Robert Bosch GmbH

Andreas Biesinger (), Ruben Pesch, Mariela Cotrado and Dirk Pietruschka
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Andreas Biesinger: Hochschule für Technik Stuttgart
Ruben Pesch: Hochschule für Technik Stuttgart
Mariela Cotrado: Hochschule für Technik Stuttgart
Dirk Pietruschka: Institute for Applied Research, University of Applied Sciences Stuttgart

Chapter 9 in iCity. Transformative Research for the Livable, Intelligent, and Sustainable City, 2022, pp 105-143 from Springer

Abstract: Abstract Energy-efficient heating and cooling systems as well as intelligent systems for energy distribution are urgently required in order to be able to meet the ambitious goals of the European Union to reduce greenhouse gas emissions. The present article is intended to show that intelligent system extensions for the area of heating, cooling and electricity production for the industrial sector can lead to significant increase in efficiency. For this purpose, a simulation study for the expansion of a combined heat and power (CHP) plant with 2 MW thermal output using a 1.4 MW absorption chiller has been carried out. This shows that a heat-controlled CHP unit can significantly increase its running time. A system model was created for the initial situation and validated with existing measurement data. In the second step, this model was expanded to include the ACM module. The simulation was able to prove that in the event of a system expansion, the run time of the CHP unit can be increased by 35%. In addition to then increase of energy efficiency in the supply system, the analysis also focuses on the efficiency of the energy distribution via thermal networks in an industrial environment. The presented paper therefore also highlights the optimization potentials in the operation of thermal supply networks for industrial applications. For this purpose, a mathematical model has been developed which in addition to the components of the thermal network itself also comprises the producers and consumers. The specific construction of thermal networks for the supply of industrial properties requires adapted solutions for the simulation of such systems. Therefore, amongst other things, in the paper, solutions are shown for the modelling of direct flow local heating networks as well as for the operation of a cascade-controlled pump group.

Keywords: District heating network; Simulation; Combined heat and power plant (CHP); Absorption chiller (ACM); Combined cooling; Heat and power system (CCHP); Digital twin; Heating network transition; Decentralized feed-in; Low return line temperatures; Parallel primary/secondary piping (direct flow local heating networks); Virtual heat exchanger (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-030-92096-8_9

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DOI: 10.1007/978-3-030-92096-8_9

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