renewable energy sources 3 electrical network 2 frequency control 2 відновлювані джерела енергії 2 електрична мережа 2 регулювання частоти 2 розподільна електрична мережа 2 621.311.014 1 621.311.1 1 621.316.925 1 Fourier transform 1 built-in transformer substations 1 cable electric heating system of the floors 1 controlled switching 1 dispersion law 1 distributed generation 1 distribution electric network 1 distribution electrical network 1 earth fault protection 1 electric networks 1 electrical equipment 1 electrical networks 1 extra high voltage transmission line 1 failure 1 frequency spectrum 1 heterogeneity 1 high-voltage overhead power line 1 hydrodynamic plasma 1 inverter-based resources 1 magnetic field of a group of electricity networks 1