Cooling device , train traction system and train

The embodiment of the utility model provides an in provide a cooling device, traction transformer and traction current transformation ware are connected respectively to the device, coolant in tractiontransformer and the traction current transformation ware passes through cooling device carries out circulative cooling. The device is including water circulating loop, water inlet / delivery port ofwater circulating loop is connected with the delivery port / water inlet of the water -cooling base plate inner chamber of traction current transformation ware. The device is including oily circulation circuit, water inlet / delivery port of oil circulation circuit is connected with the delivery port / water inlet of traction transformer's oil tank. The utility model discloses it contains as abovefurther to disclose one kind cooling device's train traction system and containing the train of train traction system. The utility model discloses a rationalize the design and be in the same place traditional traction transfor