Publication detail

Seasonal COP of an Air-to-Water Heat Pump when Using Predictive Control Preferring Power Production from Renewable Sources in the Czech Republic

POSPÍŠIL, J. ŠPILÁČEK, M. CHARVÁT, P.

Original Title

Seasonal COP of an Air-to-Water Heat Pump when Using Predictive Control Preferring Power Production from Renewable Sources in the Czech Republic

Type

journal article in Web of Science

Language

English

Original Abstract

The paper presents a parametric study evaluating the effects of various predictive controls on the operating parameters of heat pumps. The heat pump represents a significant power appliance in the residential sector. Its connection to the heat accumulator creates a system with considerable potential to control electricity consumption according to the needs of the electricity grid. The air-water heat pump is considered in this study. A predictive control is used for priority operation of the heat pump at periods of peak power production from renewable sources. The following were tested as the parameters of predictive control: outdoor air temperature, photovoltaic power production and wind power production. The combination of photovoltaic and wind power production was also tested. A parametric analysis considering different sizes for the thermal accumulator and the heating capacity of the heat pump were proposed. The benefits of predictive control are evaluated based on historical records of meteorological data from 2015 to 2018 in the city of Brno, Czech Republic. The data on the historical development of the real electrical energy production from renewable sources in the Czech Republic are used for regulation control in a monitored period. The main comparison parameter is the heat pump seasonal coefficient of performance (SCOP). From the carried out study results, an increase in SCOP by 14% was identified for priority operation of heat pump (HP ) at periods with highest outdoor air temperature. Priority operation of HP at periods with peak photovoltaic (PV) production increased SCOP by 10.25%. A decrease in SCOP only occurred in case with priority operation of HP at peak production of wind power plants. Increasing the size of the accumulator contributes to an increase in SCOP in all assessed modifications of predictive control.

Keywords

heat pump; predictive control; renewable energy; seasonal coefficient of performance

Authors

POSPÍŠIL, J.; ŠPILÁČEK, M.; CHARVÁT, P.

Released

22. 8. 2019

Publisher

MDPI

Location

Basel, Switzerland

ISBN

1996-1073

Periodical

ENERGIES

Year of study

12

Number

17

State

Swiss Confederation

Pages from

1

Pages to

13

Pages count

13

URL

https://www.mdpi.com/1996-1073/12/17/3236

Full text in the Digital Library

http://hdl.handle.net/11012/194793

BibTex

@article{BUT158144,
  author="Jiří {Pospíšil} and Michal {Špiláček} and Pavel {Charvát}",
  title="Seasonal COP of an Air-to-Water Heat Pump when Using Predictive Control Preferring Power Production from Renewable Sources in the Czech Republic",
  journal="ENERGIES",
  year="2019",
  volume="12",
  number="17",
  pages="1--13",
  doi="10.3390/en12173236",
  issn="1996-1073",
  url="https://www.mdpi.com/1996-1073/12/17/3236"
}