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EMD D29 DC Traction Motor 426V 450A for Locomotives

  • EMD D29 DC Traction Motor 426V 450A for Locomotives
  • EMD D29 DC Traction Motor 426V 450A for Locomotives
  • EMD D29 DC Traction Motor 426V 450A for Locomotives
  • EMD D29 DC Traction Motor 426V 450A for Locomotives
  • EMD D29 DC Traction Motor 426V 450A for Locomotives
  • EMD D29 DC Traction Motor 426V 450A for Locomotives
Lugar de origem CHINA
Marca HTR
Quantidade de ordem mínima 10pcs
Preço Negociável
Detalhes da embalagem A caixa da caixa, caso de madeira, conforme exige
Tempo de entrega 15-50 dias, dependem do QTY
Termos de pagamento L/C, T/T, Western Union, PayPal
Habilidade da fonte 1.000 PCes/mês

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Detalhes do produto
Tipo Tipo protegido Obrigação Contínuo
Tensão nominal 426V Corrente classificada 450A
Velocidade nominal 366 r/min Tensão máxima 1050 V
Corrente máxima 630A Velocidade máxima 2210 r/min
Método de excitação Excitação em série Classe de isolamento H
Método de ventilação Ventilação externa forçada Volume de ar de arrefecimento 65 m³/min
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EMD D29 DC traction motor

,

426V locomotive traction motor

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450A DC motor for locomotives
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Descrição de produto
DC Traction Motor EMD D29
The D29 traction motor features a compact structure and relatively light weight, making it ideal for narrow-gauge locomotives with limited space while maintaining high traction performance. Its design shares similarities with the D31 motor, with some interchangeable components including the armature, though differences exist in insulation, winding, and bearings.
Renowned for its reliability and maintainability, the D29 can be overhauled to extend service life through processes such as rewinding main field coils, replacing bearings, and renewing insulation materials. This motor was widely equipped on EMD export narrow-gauge locomotives including the G18 and DDM45 models, establishing itself as a classic in international railway traction systems.
Product Specifications
Product Performance Reference Value
Type Protected Type
Duty Continuous
Rated Voltage 426 V
Rated Current 450 A
Rated Speed 366 r/min
Maximum Voltage 1050 V
Maximum Current 630 A
Maximum Speed 2210 r/min
Excitation Method Series excitation
Insulation Class H
Ventilation Method Forced external ventilation
Cooling Air Volume 65 m³/min
Operating Conditions
  • Altitude not exceeding 1200 m
  • Ambient air temperature between -25°C to 55°C (when above 40°C, for every 4°C increase, rated current shall be reduced by 1%)
  • In the most humid month, monthly average maximum relative humidity shall not exceed 90% (with same month's average minimum temperature not higher than 25°C)
Temperature Rise Limits
When tested at 426 V, 478 A under full field excitation from cold state for one-hour temperature rise test, and during long-duration tests at rated conditions, the temperature rise limits are:
Component Insulation Class Measurement Method Temperature Rise Limit (K)
Armature Winding H Resistance Method 160
Main Field Winding H Resistance Method 180
Commutating Winding H Resistance Method 180
Commutator H Thermometer Method 120
Note: When cooling air temperature at motor inlet is 40°C or below, the temperature rise limit of the armature bearing is 95°C.
EMD D29 DC Traction Motor 426V 450A for Locomotives 0
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