Until a small in number years ago,...

Until a small in number years ago, the basic technology of the fractional electrical motor had not changed long compared to the technology used at the beginning of the last hundred Recently, however, there have been several disentanglements in this area.

A just discovered generation of steel stator core laminations, produc on pouring a spout of liquid metal fuseed in a rapidly rotating tympanum (to cause the rapid cooling of the metal), allow the efficiency of the motor to be improved. This also lessens the losses by 33 percent in comparison with the equipment produc with the traditional stator core laminations.

This new-generation