Development and research of new pole-changing windings with close pole ratios for two-
speed motors used in ventilation units. When developing a new pole-changing winding with …

In the world, many enterprises in the mining, metallurgical, paint and varnish, chemical
industries, as well as in the production of building materials, pay special attention to the …

Many scholars at home and abroad have conducted a lot of research on pole-changing
induction motor, but in conclusion, when switching motors with different pole pairs, which …

A double-speed motor is a type of asynchronous AC motor designed with two or more
windings. The presence of two separate windings causes three-phase double-speed motors …

In cases where air productivity varies in ventilation systems used in the industrial sector,
analysis of productivity management methods, as well as the construction of graphical …