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Possibilities and constraints of grid flexible control of todays and tomorrows heat pumps
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.
RISE Research Institutes of Sweden, Built Environment, Energy and Resources.ORCID iD: 0009-0001-5256-3708
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2020 (English)In: 13th IEA Heat Pump Conference., 2020Conference paper, Published paper (Refereed)
Abstract [en]

In this article possibilities and constraints of grid flexible control of heat pumps for domestic heating are investigated. By creating dynamic coalitions of heat pumps and control their power consumption, demand response can be offered to the power grid. For a functional power grid, the heat pumps electrical power consumption needs to follow the electrical grids needs accurately. Possibilities to externally control the power consumption of a ground source heat pump has been investigated. Both direct control, where the compressor speed is set directly, and indirect control, achieved with outdoor temperature sensor override, has been evaluated. For the evaluation a test cycle for laboratory testing of a heat pumps grid flexibility has been developed. Based on the test cycle, the heat pumps possibilities to follow the load profile using both direct and indirect control was tested in laboratory. Both control methods were possible to use, with the direct control being significantly more accurate. Using direct control, the power consumption of the compressor managed to be within ±10% of the stated power consumption for 97% of the time.

Place, publisher, year, edition, pages
2020.
Keywords [en]
Grid flexible heat pump; Heat Pump control; Smart grid; Demand response; Heat Pump
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:ri:diva-56326OAI: oai:DiVA.org:ri-56326DiVA, id: diva2:1591163
Conference
13th IEA Heat Pump Conference. May 11-14, 2020 Jeju, Korea
Available from: 2021-09-06 Created: 2021-09-06 Last updated: 2024-05-17Bibliographically approved

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Räftegård, Oskar

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Citation style
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  • asciidoc
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