Power cabinet of frequency converter

The utility model discloses a power cabinet of a frequency converter. The power cabinet comprises a cabinet frame, a transverse supporting frame, a space support and a fixed support, wherein the cabinet frame is a cuboid provided with four upright posts, the upright posts are provided with multiple mounting fixing holes which are arranged at a certain interval, the cabinet frame is provided with a layering partition board, the partition board is provided with a guide rail, a power unit is arranged on the guide rail, and the transverse supporting frame located on the power unit is connected with the upright posts of the cabinet frame so as to form a part for limiting the power unit to move up and down; the space support is welded on one side of the transverse supporting frame so as to form a part for limiting the power unit to move left and right; and the fixed support is fixed on the transverse supporting frame on the lower part of the power unit so as to form a part for limiting the power unit to move forward and backward. In comparison with the prior art, the power cabinet of the frequency converter can be directly fixed in the cabinet to be conveyed integrally without dismounting the power unit.