3MW jacket cooling double-fed asynchronous wind power generator adopts special ventilation structure, and it’s characterized by small volume, light weight, compact structure, low temperature rise, high reliability and strong adaptability; The bearings utilize special lubrication and insulation structure, which can effectively reduce the number of bearing failures; The rotor is under dynamic balance in the whole speed range, and its precision grade reaches G1.0. The entire machine has features of low vibration and low noise. Besides, its anti-corrosion grade reaches C5-M.
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Motor Model
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YJ140A
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Rated power
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3100kW
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Rated speed
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1200 r/mim
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Rated frequency
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50Hz
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Center height
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630mm
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Pole number
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6
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Rated efficiency
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≥97%
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Rated voltage of stator
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690V
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Rated voltage of rotor
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375V
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Rated current of stator
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2165A
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Rated current of rotor
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899A
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Power factor
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0.95ind～1～0.95cap
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Open voltage of rotor
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1808V±20V
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Insulation clas
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H
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Protection class
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IP54/IP23
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Power Curve Graph
