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Advances in the Co-Simulation of Detailed Electrical and Whole-Building Energy Performance

Author

Listed:
  • Stephen Frank

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Brian Ball

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Daniel L. Gerber

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • Khanh Cu

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Avpreet Othee

    (Department of Systems Engineering, Colorado State University, Fort Collins, CO 80523, USA)

  • Jordan Shackelford

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • Omkar Ghatpande

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Richard Brown

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • James Cale

    (Department of Systems Engineering, Colorado State University, Fort Collins, CO 80523, USA)

Abstract

This article describes recent co-simulation advances for the simultaneous modeling of detailed building electrical distribution systems and whole-building energy performance. The co-simulation architecture combines the EnergyPlus ® engine for whole-building energy modeling with a new Modelica library for building an electrical distribution system model that is based on harmonic power flow. This new library allows for a higher-fidelity modeling of electrical power flows and losses within buildings than is available with current building electrical modeling software. We demonstrate the feasibility of the architecture by modeling a simple, two-zone thermal chamber with internal power electronics converters and resistive loads, and we validate the model using experimental data. The proposed co-simulation capability significantly expands the capabilities of building electrical distribution system models in the context of whole-building energy modeling, thus enabling more complex analyses than would have been possible with individual building performance simulation tools that are used to date.

Suggested Citation

  • Stephen Frank & Brian Ball & Daniel L. Gerber & Khanh Cu & Avpreet Othee & Jordan Shackelford & Omkar Ghatpande & Richard Brown & James Cale, 2023. "Advances in the Co-Simulation of Detailed Electrical and Whole-Building Energy Performance," Energies, MDPI, vol. 16(17), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:17:p:6284-:d:1228114
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    References listed on IDEAS

    as
    1. Avpreet Othee & James Cale & Arthur Santos & Stephen Frank & Daniel Zimmerle & Omkar Ghatpande & Gerald Duggan & Daniel Gerber, 2023. "A Modeling Toolkit for Comparing AC and DC Electrical Distribution Efficiency in Buildings," Energies, MDPI, vol. 16(7), pages 1-46, March.
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