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Energy savings through variable speed compressor heat pump systems

Energy savings through variable speed compressor heat pump systems
Energy savings through variable speed compressor heat pump systems

In the present study, four different kind of HVAC systems based on heat pump technology at three site locations (Milan, Rome and Palermo) were implemented and simulated. The simulated HVAC systems consisting of: ground source borehole (W-W (bh)); ground water wells (W-W(well)); air to water (A-W); air to air (A-A) heat pump systems applied for heating and cooling applications in a low energy residential building. In particular, the study is focused on comparative performance of single speed and variable speed compressor equipments based on heat pump technology. In this respect, the chosen site locations characterize the typical climatic zones of Italy (Milan- Continental, Rome-Intermediate and Palermo-Mediterranean). The results demonstrated that variable speed equipments can achieve considerable energy savings especially in the air source heat pump system applications. The estimation pointed out that variable speed heat pump equipment can enhance energy savings in comparison to constant single speed equipments especially at Palermo and Rome, in particular during heating season where most of the time, the equipments operate at lower part load ratios (PLR).

Energy savings, Heat pumps, Low energy residential building, Variable speed equipments
1876-6102
1337-1342
Adhikari, R.S.
1138a533-a48f-4422-aa6d-1331273a7b64
Aste, N.
9f0175c5-0192-4167-ac2e-c3735c794fde
Manfren, M.
f2b8c02d-cb78-411d-aed1-c4d056365392
Marini, D.
939461e7-f221-43ad-b1b4-2ceba66d1b92
Adhikari, R.S.
1138a533-a48f-4422-aa6d-1331273a7b64
Aste, N.
9f0175c5-0192-4167-ac2e-c3735c794fde
Manfren, M.
f2b8c02d-cb78-411d-aed1-c4d056365392
Marini, D.
939461e7-f221-43ad-b1b4-2ceba66d1b92

Adhikari, R.S., Aste, N., Manfren, M. and Marini, D. (2012) Energy savings through variable speed compressor heat pump systems. Energy Procedia, 14, 1337-1342. (doi:10.1016/j.egypro.2011.12.887).

Record type: Article

Abstract

In the present study, four different kind of HVAC systems based on heat pump technology at three site locations (Milan, Rome and Palermo) were implemented and simulated. The simulated HVAC systems consisting of: ground source borehole (W-W (bh)); ground water wells (W-W(well)); air to water (A-W); air to air (A-A) heat pump systems applied for heating and cooling applications in a low energy residential building. In particular, the study is focused on comparative performance of single speed and variable speed compressor equipments based on heat pump technology. In this respect, the chosen site locations characterize the typical climatic zones of Italy (Milan- Continental, Rome-Intermediate and Palermo-Mediterranean). The results demonstrated that variable speed equipments can achieve considerable energy savings especially in the air source heat pump system applications. The estimation pointed out that variable speed heat pump equipment can enhance energy savings in comparison to constant single speed equipments especially at Palermo and Rome, in particular during heating season where most of the time, the equipments operate at lower part load ratios (PLR).

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More information

Published date: 8 March 2012
Keywords: Energy savings, Heat pumps, Low energy residential building, Variable speed equipments

Identifiers

Local EPrints ID: 413994
URI: https://eprints.soton.ac.uk/id/eprint/413994
ISSN: 1876-6102
PURE UUID: ab222cd1-78a8-4639-966e-8841df6c75a9
ORCID for M. Manfren: ORCID iD orcid.org/0000-0003-1438-970X

Catalogue record

Date deposited: 12 Sep 2017 16:31
Last modified: 24 Sep 2019 00:27

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Contributors

Author: R.S. Adhikari
Author: N. Aste
Author: M. Manfren ORCID iD
Author: D. Marini

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