FIELD: vibration equipment.
SUBSTANCE: proposed device relates to vibration equipment, namely to electromechanical centrifugal motor-vibrator used in mining, construction, chemical, food and other industries. Device comprises an electric motor with two identical stators independent of each other, at the shaft ends of which there are unbalances and flywheels – kinetic energy accumulators. Each of two stators of electric motor is connected to source of electric energy through control device with feedback (CDwFB), providing by means of sensor cyclic mode of automatic switching on / off of motor-vibrator from electric power source so that supply of electric energy to one of two stators of motor-vibrator motor continued in cyclic mode, and to the other one completely stopped after motor-vibrator motor dials specified values of shaft rotations.
EFFECT: technical result consists in reduction of values of maximum short-circuit current occurring at each moment of motor-vibrator connection to electric network in cyclic mode of its operation at automatic connection / disconnection.
8 cl, 1 dwg
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