Electric materials
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In engines of the A, AO, A2, AO2 and A3 series, the letter A means splash-proof design, AO - closed...
Overvoltage in the transformer windings. Useful for electrician: electrical engineering and electronics
The sizing and selection of transformer insulation design is impossible without determining the voltages affecting various sections of the insulation...
What determines the service life of electric motors «Useful for an electrician: electrical engineering and electronics
Drive motors operate in motor and brake modes, converting electrical energy into mechanical energy or, conversely, mechanical energy into...
HLW asynchronous explosion-proof motors. Useful for electrician: electrical engineering and electronics
For work in explosive premises of all classes and external installations with possible formation of an explosive concentration of gases, dust...
Purpose and arrangement of synchronous machines. Useful for electrician: electrical engineering and electronics
A synchronous machine is an alternating current machine in which the speed of the rotor at a constant frequency of current in the windings of the...
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Why is electric current dangerous?