公开(公告)号：US20220037079A1

公开(公告)日：2022-02-03

申请号：US17297690

申请日：2019-10-22

Applicant: ABB Power Grids Switzerland AG

Inventor： Yong Wang ,  Jens Tepper ,  Wei Wu ,  Ava-Ye Xu

IPC: H01F27/28 ,  H01F27/20

Abstract: A transformer cooling system is described. The transformer cooling system includes a dry transformer and a housing for the dry transformer. The dry transformer includes a core including a leg. Additionally, the dry transformer includes a winding body arranged around the leg. Further, a cooling channel extending in a direction of a longitudinal axis of the winding body is provided. Additionally, the transformer cooling system includes a heat exchanger adapted to dissipate heat from the housing. Further, the transformer cooling system includes a flow generating device arranged in the housing for providing a cooling flow in the cooling channel. The flow generating device is connected to the heat exchanger.