The variable frequency motor refers to the provisions of the JB/T7118-2014 standard, and adopts a special design. It is an AC speed regulating motor specially used in conjunction with the variable frequency power supply. It and the frequency converter form an electromechanical integration system. The system operates at constant torque at 3-50Hz and constant power at 50-110Hz. The motor has beautiful appearance and compact structure. The outer casing is made of aluminum die-casting structure. It can be equipped with or without cooling blades and air hood ......