In various metal cutting machines, mechanisms and technological installations, electric drives with two-speed asynchronous electric motors are used, in which the step control...

When, according to the conditions of the technological process, it is necessary to significantly accelerate the braking process of the electric motor, then the opposite is used...

To choose the cross-sections of individual sections of the electrical network, but the heating conditions and the economic current density,...

The starting of any engine is accompanied by certain switches in the power circuit and the control circuit. In this case the...