Power assembly having a load-bearing cooling body

The invention relates to a power module (4) for a medium or high voltage converter (1), preferably a modular multilevel converter, comprising at least one power semiconductor module (7), preferably an IGBT assembly, at least one energy storage module (9), preferably a capacitor module, at least one cooling device (14), wherein the cooling device (14) is formed as a cooling plate (17) that can be run through by a coolant, in particular flown through by a cooling liquid, and the at least one power semiconductor module (7) and/or the at least one energy storage module (9) are arranged on an upper side (18) and/or bottom side (19) of the cooling plate (17), and wherein the at least the power semiconductor module (7) is connected with the cooling plate (17) in a thermally conductive manner, and wherein the cooling plate (17) is provided for load-bearing support on a rack (2) of an assigned receiving space (3) of the medium or high voltage converter (1) and comprises support surfaces (16) projecting laterally in the transverse direction (11) with respect to at least one energy storage width (21) of the energy storage module (9).