Hall, Monika

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Monika
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Hall, Monika

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2019 - 201922020 - 20232
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Thema: 600 - Technik, Medizin, angewandte Wissenschaften ×

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Gerade angezeigt 1 - 4 von 4
  • Vorschaubild
    Publikation
    Building aggregation to estimate the potential for shared energy generation with heat pumps
    (Copernicus Publications, 21.06.2023) Bereuter, Pia; Hall, Monika [in: Abstracts of the International Cartographic Association]
    04B - Beitrag Konferenzschrift
  • Vorschaubild
    Publikation
    Load Control by Demand Side Management to Support Grid Stability in Building Clusters
    (MDPI, 01.10.2020) Hall, Monika; Geissler, Achim [in: Energies]
    Increasing numbers of photovoltaic systems and heat pumps in existing building clusters can lead to an overload of the associated substations of the electric grid. Based on a multi-agent-based simulation of three building cluster types the impact of building flexibility in regard to the residual substation load is studied. Each building announces its available flexibility, e.g. “heat pump can be switched off/on”. A cluster master coordinator evaluates the incoming offers and decides which offers are accepted in regard to the substation’s capacity utilization. The goal is to honour the substation’s limit by shifting the residual load. This paper presents results from three typical urban building clusters for different penetration scenarios in regard to heat pumps, photovoltaic systems, batteries and electric vehicles. It is shown that in the studied building clusters a high penetration of heat pumps and photovoltaic systems can violate the existing substation’s limits, regardless of the efforts by the master coordinator. Batteries of typical capacities cannot reduce the peak residual load. The load shifting options of the master coordinator are limited.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild
    Publikation
    Multi-agent based simulation of smart building cluster for electric grid stabilization
    (IOP Publishing, 21.11.2019) Hall, Monika; Geissler, Achim; Wache, Holger [in: Journal of Physics: Conference Series]
    With the increasing number of photovoltaic systems and heat pumps in buildings existing substations of the electric grid could be overloaded. A multi-agent based simulation of a building cluster studies the impact of building flexibility in regard to the residual substation load. Each building announces its available flexibility, e.g. "heat pump can be switched off/on". A master coordinator evaluates all incoming offers and decides which offers are accepted. This reduces the residual load at the substation. This paper presents results from a study of the impact at the substation of a smart urban building cluster with different penetration scenarios of heat pumps, photovoltaic systems, batteries and electric vehicles. It is shown that a high penetration of heat pumps and photovoltaic systems violates the substation's limits for the studied building cluster. Batteries cannot reduce the peak utilization. The master coordinator's load shifting options are limited.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild
    Publikation
    30% oder 80% Eigenverbrauch?
    (AZ Medien AG, 06/2019) Hall, Monika; Bittel, Raphael [in: HK-Gebäudetechnik]
    Infolge der steigenden dezentralen Stromerzeugung wird der Eigenverbrauch immer wichtiger. Die Eigenverbrauchsrate sollte daher bestimmt werden. Je nach zeitlicher Auflösung der Gebäudebilanzierung kommt man jedoch zu unterschiedlichen Ergebnissen. Welche Zeitschritte sind für die Praxis sinnvoll? Die Ergebnisse zeigen, dass zur Bestimmung der Eigenverbrauchsrate und dem Autarkiegrad eine zeitliche Auflösung der Daten von einer Stunde ausreichend ist. Der Fehler ist mit dieser Auflösung gegen über 1 min Werten nicht sehr gross. Wird eine Batterie eingesetzt, spielt die Auflösung von 1, 15 oder 60 min keine Rolle mehr.
    01B - Beitrag in Magazin oder Zeitung