Repair of electrical equipment
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The simplest photodiode is a conventional semiconductor diode that provides the possibility of optical radiation acting on the p - n junction....
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A thyristor is a semiconductor device with three (or more) p-n junctions, the current-voltage characteristic of which has a cross section with negative...
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Suspended electric trolleys (electrified hoists, hoists and crane beams) are used to lift and move loads and machine parts...
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A brief description of the purpose, principle of operation and criteria for selecting a frequency converter as a control device for asynchronous...
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An auxiliary current source is required for all relay protection devices except direct acting relays. The sources...
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