Autotransformer - an electrical transformer, part of the winding of which belongs to both the primary and secondary circuits. When the primary...

In order to choose the type and power of the electric pumping unit, it is necessary based on the local conditions to...

To get a profitable cutting speed on lathes, you need to have its variations in the range of 80: 1 to...

The most common methods of adjusting the speed of an induction motor: changing the additional resistance of the rotor circuit, changing the...