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Operating principle of zero-sequence current directional protection in 110 kV electrical networks In electrical engineering
Even if you have a lot of free time, turning off the vacuum cleaner while cleaning is very difficult
How to bring light to a balcony or loggia with your own hands. A balcony is a room in which
The possibilities for using LED strips are enormous: they can illuminate the kitchen work area, highlight the interior, create
Calculation of a resistor for one LED To power one LED we need a power source, for example
The concept of magnetizing current A sudden increase, that is, an inrush of magnetizing current (BCT), is explained by the saturation of the core
A multimeter is also often called a "multitester" because it is designed to measure a fairly wide range of
History of transistors. Petrels of the silicon revolution VLADIMIR GAKOV, journalist, science fiction writer, lecturer. Graduated from the physics department of Moscow State University. Have worked
Purpose These devices perform several functions at once: Quick shutdown of equipment and electrical appliances in single-phase
Electric heating elements are used in household and industrial appliances. The use of various heaters is known to everyone.
