Traction transformer control cabinet and rail train

The invention discloses a traction transformer control cabinet and a rail train, and relates to the technical field of rail transit vehicles, the traction transformer control cabinet comprises a detachable shell and a control module arranged in the detachable shell; wherein the control module is used for determining the fan frequency of a fan in a cooling system of a traction transformer according to first acquisition data sent by a whole vehicle controller of the rail train and second acquisition data sent by the traction transformer, so that the fan frequency is used for performing frequency conversion control on the fan; the first acquisition signal comprises vehicle speed data, and the second acquisition signal comprises oil temperature data; through the arrangement of the traction transformer control cabinet, the control module in the traction transformer control cabinet is used for carrying out frequency conversion control on the cooling fan according to the speed of the train, the oil temperature of th