Марева, Даниела2025-02-2720241311-221Xhttp://research.bfu.bg:4000/handle/123456789/515The comprehensive use of renewable energy is growing worldwide. It is linked to climate change, the reduction of CO2 emissions in nature and geopolitical aspirations, which are growing into tensions in certain countries. The general drive is to move away from fossil fuels to alternative energy sources. This is a global investment in renewable energy sources. To achieve these goals, renewable energy technologies and their accelerated and widespread deployment in industry and domestic consumption are needed. Renewable energies produce "intermittent" energy, which makes balancing the energy system more difficult.bgrenewable energyconvertersdesigningArticle