Field experience with ULTDH substation for multifamily building

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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Field experience with ULTDH substation for multifamily building. / Thorsen, Jan Eric; Ommen, Torben .

In: Energy Procedia, Vol. 149, 2018, p. 197-205.

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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@article{b4716fc7f46b4676a54bf3072ee48152,
title = "Field experience with ULTDH substation for multifamily building",
abstract = "Ultra-low temperature district heating (ULTDH) substations may be an important enabler for integrating higher shares of renewables and waste heat in the district heating (DH) network. In the paper, we describe a concept and first experimental results for producing domestic hot water (DHW) at DH supply temperatures of 45°C. The substation utilises a heat pump for boosting the DH temperature up to approximately 60°C to an accumulation tank, after which the DHW can be produced on demand for temperatures up to 55°C. Additionally, the system included a separate heat pump to supply the DHW circulation heat demand. The DH accumulator tank provides load shift opportunities, which is important going towards the integrated, flexible and renewable based future energy system. The two heat pumps operate with a COP of approximately 5, which results in representative share of approximately 11-13 {\%} electricity to supply the DHW including circulation.",
keywords = "Heat Booster Station, Ultra Low Temperature District Heating, Load Shift, Heat Pump, 4th Generation District Heating",
author = "Thorsen, {Jan Eric} and Torben Ommen",
year = "2018",
doi = "10.1016/j.egypro.2018.08.184",
language = "English",
volume = "149",
pages = "197--205",
journal = "Energy Procedia",
issn = "1876-6102",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Field experience with ULTDH substation for multifamily building

AU - Thorsen, Jan Eric

AU - Ommen, Torben

PY - 2018

Y1 - 2018

N2 - Ultra-low temperature district heating (ULTDH) substations may be an important enabler for integrating higher shares of renewables and waste heat in the district heating (DH) network. In the paper, we describe a concept and first experimental results for producing domestic hot water (DHW) at DH supply temperatures of 45°C. The substation utilises a heat pump for boosting the DH temperature up to approximately 60°C to an accumulation tank, after which the DHW can be produced on demand for temperatures up to 55°C. Additionally, the system included a separate heat pump to supply the DHW circulation heat demand. The DH accumulator tank provides load shift opportunities, which is important going towards the integrated, flexible and renewable based future energy system. The two heat pumps operate with a COP of approximately 5, which results in representative share of approximately 11-13 % electricity to supply the DHW including circulation.

AB - Ultra-low temperature district heating (ULTDH) substations may be an important enabler for integrating higher shares of renewables and waste heat in the district heating (DH) network. In the paper, we describe a concept and first experimental results for producing domestic hot water (DHW) at DH supply temperatures of 45°C. The substation utilises a heat pump for boosting the DH temperature up to approximately 60°C to an accumulation tank, after which the DHW can be produced on demand for temperatures up to 55°C. Additionally, the system included a separate heat pump to supply the DHW circulation heat demand. The DH accumulator tank provides load shift opportunities, which is important going towards the integrated, flexible and renewable based future energy system. The two heat pumps operate with a COP of approximately 5, which results in representative share of approximately 11-13 % electricity to supply the DHW including circulation.

KW - Heat Booster Station

KW - Ultra Low Temperature District Heating

KW - Load Shift

KW - Heat Pump

KW - 4th Generation District Heating

U2 - 10.1016/j.egypro.2018.08.184

DO - 10.1016/j.egypro.2018.08.184

M3 - Journal article

VL - 149

SP - 197

EP - 205

JO - Energy Procedia

JF - Energy Procedia

SN - 1876-6102

ER -