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HPT TCP ANNEXES be used for seasonal performance factors (SPF), shorter time intervals, e.g. daily, monthly (DPF, MPF), or binned performance factors (BPF). The system boundary schema is an extension of the SEPEMO schema, such that every SEPEMO boundary matches one of the Annex 52 boun- daries (Table 2). The proposed schema is now being tested on the 40 included case studies within Annex 52. References [1] Gehlin, S. and Spitler, J.D. (2020): Half-term Results from IEA HPT Annex 52 - Long-term Performance Monitoring of Large GSHP Systems. Proceedings of the 13th IEA Heat Pump Conference, May 11-14, 2020 Jeju, Korea. [2] Koenigsdorff, R.,( 2011). Oberflächennahe Geothermie für Gebäude Grundlagen und Anwendungen zukunfts- fähiger Heizung und Kühlung. Fraunhofer IRB: Stuttgart. [3] Mendrinos, D.; Karytsas, C., (2016). Monitoring results after 12 months of provision of heating and cooling at the 8 demonstration buildings of the European project “Ground-Med”. In European Geothermal Congress 2016, Strasbourg, France. [4] Miara, M.; Günther, D.; Kramer, T.; Oltersdorf, T.; Wapler, J. (2011). Heat Pump Efficiency - Analysis and Evaluation of Heat Pump Efficiency in Real-life Conditions. Abbreviated Version.; Fraunhofer ISE. [5] Nordman, R. (2012): Seasonal Performance factor and Monitoring for heat pump systems in the building sector, SEPEMO-Build, Final Report. Intelligent Energy Europe. [6] Spitler, J.D. and S.E.A. Gehlin. (2019): Measured per- formance of a mixed-use commercial-building ground source heat pump system in Sweden. Energies 2019, 12, 2020; doi:10.3390/en12102020. Open access at: https://www.mdpi.com/1996-1073/12/10/2020 [7] VDI, VDI 4650 Calculation of the seasonal coefficient of performance of heat pumps. Electric heat pumps for space heating and domestic hot water. In 2016. [8] Winiger, S.; Kalz, D.; Sonntag, M. (2013); Vellei, M. In Energy and efficiency analysis of heat pump systems in nonresidential buildings by means of long-term measure- ments, 11th REHVA World Congress & 8th International Conference on IAQVEC, CLIMA 2013, Prague, 2013; Prague. Annex website http://heatpumpingtechnologies.org/annex52/ Contact Operating Agent is Signhild Gehlin, Swedish Centre for Shallow Geothermal Energy in Sweden. signhild@geoenergicentrum.se Boundary description Boundary levels 0 0+ 1 1+ 2 2+ 3 3+ 4 4+ 5 5+ Ground Source (CP + GHE) X X X X X X X X X X Heat pump unit including internal energy use, excluding internal CP X X X X X X X X X X Buffer tank (including CPs between HP and BT) X X X X X X CP on load-side (between BT & building H/C distr. system) X X X X Building H/C distribution system X X Auxiliary heating or cooling X X X X X X Equivalent in the SEPEMO boundary schema H1/ C1 H2/C2 H3 C3 H4/C4 Table 2: System boundary schema comparison of the SEPEMO scheme and the proposed Annex 52 schema for SPF and COP. (Mapping corresponds with having auxiliary heating (H) or cooling (C) only at the same levels as SEPEMO. For the proposed schema, the "+" superscript indicates auxiliary heating/cooling within the boundary). From Gehlin and Spitler (2020). 20 HPT MAGAZINE VOL.38 NO 1/2020PDF Image | Integration of Heat Pumps into the Future Energy
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