Cooling device for electric transformer.

摘要

A cooling device for an electric transformer comprises cooling means (1) disposed in the horizontal direction and through which cooling medium passes, first and second headers (5) provided at an inlet side and an outlet side of said cooling means (1), first tubing (2) to lead the cooling medium which has cooled the transformer to said first header (5), second tubing (2) to lead the cooling medium in said cooling means into said transformer through said second header (5), and a duct (7) to lead air to a region above said said cooling means (1) after completion of the heat-exchange between said cooling medium in said cooling means (1) and air.