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FEKT-BKC-EPRAcad. year: 2024/2025
Main topics of the course: Main state, stress and functions of el. apparatuses, LV and HV e. apparatuses. Switching on in el. circuits. Inrush current. Switching off in el. circuits. Recovery voltage. Heat effects of el. current. Force effects of el. current. Switching off in el. circuits without switching arc. Electrical discharges. Switching proccess with el. arc. Switching off of opperational and short-circuit currents. Electrical contacts. El. apparatuses without el. arc and operational el. apparatuses. Design and properties. Power el. apparatuses. Design and properties. Instrumental transformes. Gaseous insulated systems with SF6. Principles of el. devices protection. Protection of lines against overload. Protection of lines againts short-circuit currents. Testing of el. apparatuses.
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