Introduction： YJ14 YJ14A
    YJ14 and YJ14A motor are squirrel cage variable frequency speed regulating saynchronous motors designed for the first AC-DC-AC electric drive oil-rig123.net' target='_blank'>drilling machine in China. These two kinds of motors can drive the winch, rotary table, slurry pump and some other unit of oil rig123.net' target='_blank'>drilling machine. Their installation dimension is as same as that of imported DC oil drilling motor. YJ14 and YJ14A motor have explosion-proof structure, and the heater, pressure switches and auxiliary switches are installed in them. Their main features are as follows: largetorque, wide range constant power speed regulating, free maintenance, high universality, efficiency and reliability.Facing from the driving end, the terminal out of YJ14 motor is on the left side, and from YJ14A motor is on the right side

Parameter：
Rated power: 400Kw
Rated voltage: 500V
Rated current: 582A
Rated rotating speed: 660r/min
Rated frequency: 33.4Hz
Rated power factor: 0.86
Rated efficiency: 92.3%
Rated torque: 5787N.m
Max.current: 873A
Max.torque: 8680N.m
Max.con.power rotating speed: 1060r/min
Max.frequency: 55Hz
Insulation class: 200
Protection class: plus pressure explosion-proof
Cooling method: forced air(with original fan motor installed)
Mass: 2200Kg

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