Wires and cables
Trunk systems for distribution and transformer substations. Useful for electrician: electrical engineering and electronics
For the transmission and distribution of electrical energy, overhead lines or power cables of various voltage levels are used, such as...
How to extinguish the electric arc in circuit breakers «Useful for an electrician: electrical engineering and electronics
In the semi-closed version, the circuit breaker is covered by a housing with openings for the escape of hot gases.
SF6 gas and its properties ”Useful for an electrician: electrical engineering and electronics
SF6 - electric gas - is sulfur hexafluoride SF6 (hexafluoride). SF6 gas is the main insulator in cabin elements with...
The process of formation of an electric arc and methods of extinguishing it «Useful for an electrician: electrical engineering and electronics
When an electric circuit is opened, an electric discharge occurs in the form of an electric arc. For the appearance of an electric arc, it is enough...
Drives for high voltage switchgear. Useful for electrician: electrical engineering and electronics
Special devices are used to switch disconnectors, load switches, oil switches and other switching equipment on and off -...
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Why is electric current dangerous?