Hybrid energy supply system for a multi-storey building with renewable energy sources
DOI:
https://doi.org/10.15276/opu.2.72.2025.05Keywords:
renewable energy sources, hybrid energy supply system, cogeneration plant, wind turbine, photovoltaic solar panels, load modes, parameter optimizationAbstract
A configuration of a hybrid energy supply system (HES) with renewable energy sources for the autonomous supply of electricity and heat to a modern multi-storey building is proposed. The combination of energy sources that are different in nature and energy potential in a hybrid system contributes to the mutual complementarity of their advantages and, at the same time, mutual compensation for their disadvantages. In terms of power, a hybrid energy supply system are most suitable for the autonomous energy supply of small industrial facilities, farms, residential, recreational and agricultural complexes, etc. For the climatic conditions of Ukraine, the most common are a hybrid energy supply system that integrate wind turbines and solar photovoltaic panels. The configuration of the proposed hybrid energy supply system consists of a wind turbine, solar photovoltaic panels that generate electricity, a cogeneration unit based on gas microturbine technology that generates both electricity and heat for the consumer, and an electric boiler as an additional source of heat during peak loads. A summary of experimental data on wind speed and solar insolation accumulated in the database of the meteorological station of the Odessa Polytechnic National University has been carried out. A methodology was developed to determine the optimal load modes and parameters of the proposed configuration based on the criterion of minimizing the imbalance between electricity generation and consumption in the system. The parameters to be optimized are the area of photovoltaic panels and the area of wind turbine blades, which jointly generate additional electricity and, together with the control unit, ensure full coverage of consumer needs. The optimal electrical and thermal load modes of the hybrid system and its components for each month of the year have been obtained. It has been confirmed that the seasonal unevenness of wind and solar energy resources can be fully compensated for by integrating energy sources with different energy potentials and natures into the hybrid system, optimizing their generating capacity and load modes.
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References
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