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Impact of control schemes of a monovalent inverter-driven water-to-water heat pump with a desuperheater in continental and subtropical climates through simulation

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Title: Impact of control schemes of a monovalent inverter-driven water-to-water heat pump with a desuperheater in continental and subtropical climates through simulation
Authors: Blanco, David L. Browse this author
Nagano, Katsunori Browse this author →KAKEN DB
Morimoto, Masahiro Browse this author
Keywords: Ground source heat pump
Heating
Hot water
Coefficient of performance
Issue Date: Sep-2013
Publisher: Elsevier
Journal Title: Applied Energy
Volume: 109
Start Page: 374
End Page: 386
Publisher DOI: 10.1016/j.apenergy.2012.12.047
Abstract: An application of a novel steady-state simulation of a monovalent inverter-driven water-to-water heat pump with a desuperheater is presented. The simulation is capable of modeling and managing the different operation modes of the system such as combined space heating and domestic hot water, in order to provide realistic results, from which four control schemes based on two electricity tariff plans were developed. The schemes were tested on a subject low energy house for Tokyo and Sapporo, in Japan, for the coldest day of the year and for the heating season. Emphasis was given to the short-term domestic hot water storage. The results show that the application of the schemes with a flexible electricity tariff had lower cost over the scheme that used the flat rate pricing plan. Moreover, it was shown that no unique scheme was able to minimize the cost and electrical consumption for both locations. Additionally, a tradeoff between lowest cost and lowest energy consumption was identified for Sapporo. The results of this research could be applied to develop a more robust control on monovalent heat pump systems.
Type: article (author version)
URI: http://hdl.handle.net/2115/54017
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: David Leonardo Blanco

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