Abstract

 
 
 The wish to achieve energy savings of organic fuel while reducing the negative man-made impact on the environment, especially in the context of global warming, encourages for the search for new approaches in the construction of energy efficient houses and buildings. Analysis of the accumulated meteorological data on wind and solar potentials in Kyiv shows that in an urban city it is possible to create a fully autonomous house, which will be supplied with electricity using solar and wind energy. Year-round monitoring of atmospheric parameters such as current values of wind speed and direction, relative humidity and barometric air pressure was carried out using a portable meteorological station TFA Nexus using appropriate Primus software, which allowed to collect and analyze measurement data. Data on insolation for the location of the energy-efficient house were obtained experimentally in 2019 using measurements with a pyranometer SR-U1. The developed system consists of a wind generator, solar modules, charge controllers, inverters and batteries. The calculation of electricity production by the solar station was performed in the PVSyst program according to meteorological data Meteonorm. At the same time, it should be noted that the energy contribution from photomodules is crucial for the power supply of an energy-efficient house. The proposed instrumental methods for determining the parameters of insolation provide an opportunity to assess its technically available potential for a given area, as well as to use the obtained data for the design of complex power supply systems using energy of wind and solar. The research results prove that in the conditions of the city of Kyiv there are potential opportunities for the creation of residential buildings with zero energy balance, in which, for the purpose of power supply, wind generators and solar modules can be used quite successfully.
 
 
Highlights
The wish to achieve energy savings of organic fuel while reducing the negative man-made impact on the environment, especially in the context of global warming, encourages for the search for new approaches in the construction of energy efficient houses and buildings
The developed system consists of a wind generator, solar modules, charge controllers, inverters and batteries (Fig. 1)
When selecting parameters and operating expensive equipment to convert solar radiation energy into heat, there is a need for refined parameters of insolation, which comes at different angles to the horizontal surface
Summary
The wish to achieve energy savings of organic fuel while reducing the negative man-made impact on the environment, especially in the context of global warming, encourages for the search for new approaches in the construction of energy efficient houses and buildings. One of the approaches to solving the above problem is to create passive and "0-energy" houses [1, 2]. On the territory of the Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine in Kyiv, an energy-efficient house has been implemented as a scientific, technical and technological thermophysical laboratory. The successful implementation of this project clearly demonstrates the possibility of creating houses with zero energy balance in the climatic conditions of northern Ukraine, and its operation will provide a large amount of experimental scientific and practical information. A consistent implementation of the technological chain is carried out: high energy efficiency house - passive house - intelligent house - Micro Smart-Grid-0-Energy system
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