Series circuit arrangement of power semiconductors and cooling water distribution apparatus

The utility model relates to a series circuit device of a power semiconductor and cooling water distribution equipment. The series circuit arrangement has a cooling water distribution device and comprises a cooling tank which is arranged on the power semiconductor and is electrically conductively connected to the latter, and at least two cooling water distribution pipelines, the first cooling water distribution pipeline is provided with a cooling water inlet, and the second cooling water distribution pipeline is provided with a cooling water outlet. Wherein the cooling tanks are connected in parallel with respect to the cooling water flow between the cooling water distribution lines, the cooling tanks are branches which are respectively arranged on the cooling water distribution pipeline and are respectively connected with the branches through connecting pipelines; wherein control electrodes are arranged on the end sides of the cooling water distribution lines, respectively, wherein, for at least a part of th