Title:	Weather Data Influence on a Photovoltaic Driven Heat Pump System for Net-Zero Energy Multi-Family Buildings
Author(s):	J. Schmidli, D. Carbonell, M. Haller, C. Biba
Keywords:	Heat Pump, NZEB, Weather Data
Topic:	PV Applications and Integration
Subtopic:	PV on/in Buildings, Infrastructure, Landscape, Water and Nature
Event:	37th European Photovoltaic Solar Energy Conference and Exhibition
Session:	6CV.2.11
Pages:	1906 - 1910
ISBN:	3-936338-73-6
Paper DOI:	10.4229/EUPVSEC20202020-6CV.2.11
Price:	0,00 EUR
Document(s):	paper, poster

Abstract/Summary:

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With increased complexity of systems that provide heating and electricity to residential buildings, accurate simulations of said systems become more and more important. An important input of dynamic simulations are weather data files, of which there are many available. Within this paper, the influence of different weather data sets on the system efficiency of NZEBs combining heat pumps with PV is investigated. Three different sources for the heat pump i.e. air, ground and solar with an ice storage as intermediate storage between the source and the heat pump evaporator are considered. Different data sets containing real, i.e. measured, or synthetic weather data, as well as an averaging method of the real weather data are described. Simulations with real weather data, which contain measured data of the last 14 years, are carried out for six different locations in Switzerland. Time series data for one year are generated with the 14-year measurement data and simulations are carried out. Comparisons are provided between simulation results using constructed and synthetic years and those using the real data in order to find the yearly weather data sets that best estimate the degree of self-sufficiency of the 14-years simulation using real weather data for the air source heat pump system. Dynamic simulations are carried out with TRNSYS.