Author:
Brennenstuhl Marcus,Zeh Robin,Otto Robert,Pesch Ruben,Stockinger Volker,Pietruschka Dirk
Abstract
District heating and cooling networks can pose the possibility of including a variety of renewable energy sources as well as waste heat into a district’s heat supply concept. Unfortunately, low demand densities as they increasingly occur through higher building energy standards and in rural areas render conventional heating and cooling networks inefficient. At the same time, power-to-heat is becoming more and more important to make use of a larger amount of renewable energy sources on the electrical side by providing more flexibility by means of demand response and demand-side management. Within this work, a rural Plus-Energy settlement is presented addressing those topics by a low-temperature district heating and cooling network connected to a novel agrothermal collector supplying 23 residential buildings with decentralized heat pumps and PV systems. The collector, the network, and six of the buildings are equipped with comprehensive monitoring equipment. Within those buildings, forecast and optimization algorithms are implemented to adapt their heat pump operation to enable an increase of self-consumption, to include flexible electricity tariffs, and also to participate in power markets. Thereby, for the low-temperature district heating and cooling network, it has been shown that the concept can operate in the future at competitive heat costs. On the building level, up to 50% of cost savings could be achieved under ideal conditions with the optimization of the self-consumption of PV electricity. However, to ensure optimal results, the individual system components have to be dimensioned for this task.
Subject
Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science
Reference52 articles.
1. 4th Generation District Heating (4GDH)
2. Wärmenetze 4.0 im Kontext der Wärmewende-Politische Handlungsempfehlungen für Eine Klimafreundliche Fernwärmeversorgung;Schneller,2018
3. Wärmewende 2030;Energiewende,2017
4. Kurzzusammenfassung von Projektergebnissen LowExTra-Niedrig-Energie-Trassen zum Verteilen und Speichern von Wärme: Rahmenbedingungen für die Umsetzbarkeit von LowEx-Mehrleiter-Wärmenetzen;Dunkelberg,2017
5. 5th generation district heating and cooling systems: A review of existing cases in Europe
Cited by
18 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献