Electric circuits

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Conventional graphic symbols of electrical machines on diagrams. Useful for electrician: electrical engineering and electronics

Conventional graphic symbols of electrical machines (GOST 2.722-68). There are three ways to display electrical machine designations: simplified one-line,...

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Conventional graphic symbols of switching devices on diagrams. Useful for electrician: electrical engineering and electronics

Conventional graphic designations of switching devices for contact connections (GOST 2.755-87). Switching devices have movable and fixed contact parts. Conditional...

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The three most popular asynchronous motor control schemes

All electrical diagrams of machines, plants and machines contain a certain set of typical blocks and nodes that are combined between...

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Types of markings on circuits and equipment, designations of articles «Useful for an electrician: electrical engineering and electronics

In electrical circuits, marking is very important, without which they are practically unreadable. The circuit designation system in diagrams...

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Logic gates in electrical circuits. Useful for electrician: electrical engineering and electronics

Logic elements are devices that make a certain connection between input and output values. An elementary logic element has two inputs and...