VALVE-INDUCTOR DRIVE OF SHAFT VENTILATION PLANT Russian patent published in 2020 - IPC H02P5/74 H02P25/08 H02P6/04 H02P6/20 H02P27/08 H02P29/24 

FIELD: electrical equipment.

SUBSTANCE: invention relates to the electrical equipment. Valve-inductor drive comprises first (1) and second (2) alternating current network, control unit (3), first (4) and second (7) voltage sensor, first (5) and second (6) rectifier, first (8) and second (11) indication and control panel, first (9) and second (10) filter, first (12) and second (15) microcontroller control system, first (13) and second (14) power inverter, first (16) and second (17) current sensor, fan unit of opposite rotation (18), first (19) and second (23) rotor position sensor, first (20) and second (22) electric motor, first (21) and second (26) fan impeller, first (24) and second (28) vibration sensor, first (25) and second (27) temperature sensors unit, a unit of pressure and air supply sensors (29), a block of smoke detectors (30), an air-and-gas monitoring system (31) and a control point of mine dispatcher (32).

EFFECT: technical result consists in expansion of double-engine electrical drive functional capabilities for efficient use in shaft ventilation plant.

4 cl, 2 dwg