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Experimental Study of District Heating Substations in a Hardware-in-the-Loop Test Rig

Author

Listed:
  • Anna Vannahme

    (Institute of New Energy Systems, University of Applied Science Ingolstadt, Esplanade 10, 85049 Ingolstadt, Germany)

  • Jonas Busch

    (Institute of New Energy Systems, University of Applied Science Ingolstadt, Esplanade 10, 85049 Ingolstadt, Germany)

  • Mathias Ehrenwirth

    (Institute of New Energy Systems, University of Applied Science Ingolstadt, Esplanade 10, 85049 Ingolstadt, Germany)

  • Tobias Schrag

    (Institute of New Energy Systems, University of Applied Science Ingolstadt, Esplanade 10, 85049 Ingolstadt, Germany)

Abstract

This study compares two district heating substation systems for implementation in rural district heating networks with non-retrofitted single- and two-family houses. The aim is to determine which system has the potential to provide lower return temperatures and/or lower power peak demand. A hardware-in-the-loop-test rig was utilized to measure the two district heating substations under real operation conditions. This experimental study demonstrates that load balancing of the district heating network is attainable with the district heating substation with storage. This is especially advantageous when there is a high demand for domestic hot water. Overall, both systems yield comparable return temperatures.

Suggested Citation

  • Anna Vannahme & Jonas Busch & Mathias Ehrenwirth & Tobias Schrag, 2023. "Experimental Study of District Heating Substations in a Hardware-in-the-Loop Test Rig," Resources, MDPI, vol. 12(4), pages 1-13, March.
    • Handle: RePEc:gam:jresou:v:12:y:2023:i:4:p:43-:d:1107820
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    References listed on IDEAS

    as
    1. Gustafsson, Jonas & Delsing, Jerker & van Deventer, Jan, 2010. "Improved district heating substation efficiency with a new control strategy," Applied Energy, Elsevier, vol. 87(6), pages 1996-2004, June.
    2. Tahiri, Abdelkarim & Smith, Kevin Michael & Thorsen, Jan Eric & Hviid, Christian Anker & Svendsen, Svend, 2023. "Staged control of domestic hot water storage tanks to support district heating efficiency," Energy, Elsevier, vol. 263(PB).
    3. Wessam El-Baz & Lukas Mayerhofer & Peter Tzscheutschler & Ulrich Wagner, 2018. "Hardware in the Loop Real-Time Simulation for Heating Systems: Model Validation and Dynamics Analysis," Energies, MDPI, vol. 11(11), pages 1-15, November.
    4. Tejeda De La Cruz, Alberto & Riviere, Philippe & Marchio, Dominique & Cauret, Odile & Milu, Anamaria, 2017. "Hardware in the loop test bench using Modelica: A platform to test and improve the control of heating systems," Applied Energy, Elsevier, vol. 188(C), pages 107-120.
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