Traction box of a railway vehicle with a cooling system, associated application method and railway vehicle

摘要

A traction box of a railway vehicle includes pieces of electric equipment; and a cooling device including a first and second fluid circuits, respectively crossing first and second heat exchange areas with the pieces of electric equipment; and first and second of heat exchangers, respectively crossed by the first and the second fluid circuits and allowing heat exchange between the fluid and a first air flow. The fluid circuits include a first common conduit for fluid circulation, crossing the first exchanger, and then connected to the second and to a third parallel conduits, the second conduit belonging to the second fluid circuit and first crossing the second exchanger and then the second heat exchange area.