Type YQ-190-2 Asynchronous Traction Motor
Source:
DateTime:2016-05-09
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Type：YQ-190-2
Usage: Mass transit vehicles for Shenyang metro line2 (phase I)
Main technical features
Supply voltage：DC1500V（DC1000V～1800V）
Wheel diameter：840/805/770mm (New wheel/half worn/full worn)
Axle arrangement of motor car：Bo-B
Configuration：+TC-MP-M-T-MP-TC+（3 M-car 3 T-car）
Gear drive ratio：107/16（6.6875）（Gear-drive efficiency: 98％）
Main technical parameters
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Squirrel-cage three-phase induction motor
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Power supply
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VVVF inverter power supply
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Rating mode
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Continuous duty
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Rated power
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190kW
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Line voltage
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DC 1000V～1800V
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Traction peak power and current
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Power
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276kW （Voltage DC1350V Speed 40km/h）
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Current
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196A
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Braking peak power and current
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Power
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458kW （Voltage DC1800 Speed 80km/h）
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Current
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205A
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Rated torque
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1008 N•m
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Motor voltage (Effective value of first harmonic)
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1050V
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Motor current (Effective value of first harmonic)
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130A
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Rated rotating speed
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1800r/min（Train speed is about 40.8km/h）
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Rated frequency
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60.9Hz
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Rated slip ratio
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1.41％
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Power factor
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0.86
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Efficiency (First harmonic value)
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93％
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Insulation grade
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200 grade（IEC60349-2）
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Number of poles
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4 poles
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Steering
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When U-V-W is in normal phase sequence， rotating in clockwise direction(view from drive end).
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Maximum rotating speed
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3686r/min
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Weight
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620±5％Kg
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Cooling method
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Self-ventilation
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Suspension mode
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Full suspension
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Gear-drive ratio
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6.6875（107/16）
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Gear-drive efficiency
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98％
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