FIELD: electrical engineering.
SUBSTANCE: proposed motor starting device connected to three-phase supply mains has three-phase voltage regulator using three-phase bridge inverter circuit arrangement, three identical correcting units, control unit, capacitor, and voltage sensor; one output of each correcting unit is connected to motor whose shaft mounts rotational velocity sensor.
EFFECT: improved performance characteristics, enlarged functional capabilities.
2 cl, 1 dwg
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