The utility model provides a wind energy converter and power module thereof, this wind energy converter of includes fixing device and a plurality of power module, and these a plurality of power module parallel mount are on this fixing device, and this power module includes mounting bracket, a plurality of electric capacity, at least one power switch module and radiator, and this power switch module is installed on this radiator, and this mounting bracket includes: the bottom plate, the bottom of this bottom plate is provided with the flange, the electric capacity frame, fix the upper portion of this bottom plate and with the topside parallel and level setting of this bottom plate, this electric capacity frame is provided with a plurality of electric capacity mounting holes including electric capacity installation department, this electric capacity installation department, this a plurality of electric capacity correspond respectively to be installed in this electric capacity mounting hole and fixes on this bottom plate, this radiator fix this electric capacity put up and this flange between, wherein, the direct current of this power switch module side links to each other through female the arranging of a direct current stromatolite with the positive negative pole of these a plurality of electric capacity, and the female direct current end of arranging of this direct current stromatolite sets up in the top of this power module.