Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Social and technical potential of single family houses in increasing the resilience of the power grid during severe disturbances
Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources. University West, Sweden.
Chalmers University of Technology, Sweden.ORCID iD: 0000-0001-5777-1242
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.ORCID iD: 0000-0002-3418-8385
2024 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 321, article id 119077Article in journal (Refereed) Published
Abstract [en]

Flexible resources aids in enhancing the resilience of a renewable dominated power system. Space heating systems equipped with heat pumps is one such flexible resource. With this background, the current study deals with the quantification of flexibility potential of space heating systems in houses equipped with various heat pump types. A heat pump model is represented using a vapour compression heat pump cycle. This model is integrated with a thermal model of a house to estimate electricity consumption, for maintaining the indoor temperature at a set value, as flexibility quantification depends on electricity consumption. In addition to this, flexibility potential is quantified by, analysing and incorporating the results on minimum acceptable indoor temperature from twelve interviews with households owning heat pumps, into the integrated model. The results from interviews reveal that, there is an uncertainty in minimum acceptable indoor temperature, as it is dependant on a number of factors such as frequency and duration of interruption, access to additional heating and motivation to be flexible. Hence, to quantify flexibility using thermal simulations, the indoor temperature is reduced from 20 °C to values between 18 °C and 15 °C, based on minimum acceptable temperatures stated in the interviews. The flexibility potential is quantified in terms of an instantaneous reduction in electric power and reduction in electric energy. By reducing the indoor temperature from 20 °C to the aforementioned values at an outdoor ambient temperature of -5 °C, in about a million single family houses in southern half of Sweden, an instantaneous reduction in electric power is estimated to be 1.6 GW, for the power system with 23 GW plannable power. Additionally, considering the recovery of the indoor temperature to 20 °C in 24 h, electric energy reduction is found to be between 4.06 GWh and 7.4 GWh, when the reference indoor temperature is reduced to values between 18 °C and 15 °C respectively, over 17.25 h. Furthermore, with time the amount of flexibility offered reduces, becomes negative during the recovery period and finally reaches zero, when the indoor temperature is restored. The results reveal that space heating systems in houses equipped with heat pumps have the potential to enhance the resilience of the power grid during severe grid disturbances. 

Place, publisher, year, edition, pages
Elsevier Ltd , 2024. Vol. 321, article id 119077
Keywords [en]
Electric space heating; Heating equipment; Houses; Electric energies; Electric energy reduction; Energy reduction; Flexibility quantification; Heat pumps; Heating system; Indoor temperature; Interview; Power; Renewable energies; Heat pump systems
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:ri:diva-76127DOI: 10.1016/j.enconman.2024.119077Scopus ID: 2-s2.0-85204742063OAI: oai:DiVA.org:ri-76127DiVA, id: diva2:1916605
Note

The financial support given by the Swedish Energy agency through grant No. 50343-1 is gratefully acknowledged.

Available from: 2024-11-28 Created: 2024-11-28 Last updated: 2024-11-28Bibliographically approved

Open Access in DiVA

fulltext(1391 kB)14 downloads
File information
File name FULLTEXT01.pdfFile size 1391 kBChecksum SHA-512
127dd4dcca0b734b31f39ff0afd80752a0f0578323460329ce2846e11cdb28a3b5c49790e1a9c4b7d4bcc26112bbfccbad52f01923a38bfda85c7371ea8f7ed5
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records

Thiringer, TorbjörnHåkansson, Maria

Search in DiVA

By author/editor
Thiringer, TorbjörnHåkansson, Maria
By organisation
Energy and Resources
In the same journal
Energy Conversion and Management
Mechanical Engineering

Search outside of DiVA

GoogleGoogle Scholar
Total: 14 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 114 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf