Measured and simulated energy performance of OLK NZEB with heat pump and energy piles in Hämeenlinna

Jevgeni Fadejev*, Raimo Simson, Jyrki Kesti, Jarek Kurnitski

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliConference articleScientificvertaisarvioitu

5 Lataukset (Pure)

Abstrakti

In this work, measured energy use of the building space heating, ventilation supply air heating, appliances and lighting is compared against simulated energy use modelled in IDA ICE. As built energy need and detailed measured input data is applied in building model calibration procedure. Calibrated building model energy performance is studied in both measured and test reference year climate conditions. Previously modelled as built plant automation and implemented control logics are compared against measured. Geothermal plant in this study consists of heat pump, solar collectors, boreholes and energy piles. Heat pump SCOP estimated by post processing according to heat pump manufacturer's performance map is compared against measured SCOP on the monthly basis. Opinion on actual plant operation is given and energy performance improvement potential is quantified. Important parameters for successful building model calibration are presented. Building compliance with Finland NZEB requirements are assessed. The results show good match with measured energy use after the model calibration.

AlkuperäiskieliEnglanti
Artikkeli16012
JulkaisuE3S Web of Conferences
Vuosikerta172
DOI - pysyväislinkit
TilaJulkaistu - 30 kesäkuuta 2020
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa
TapahtumaNordic Symposium on Building Physics - Tallinn, Viro
Kesto: 6 syyskuuta 20209 syyskuuta 2020
Konferenssinumero: 12

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