公开(公告)号：US20210257144A1

公开(公告)日：2021-08-19

申请号：US17255842

申请日：2019-06-25

Applicant: ABB Power Grids Switzerland AG

Inventor： Tor LANERYD ,  Giti KARIMI-MOGHADDAM

IPC: H01F27/10 ,  F28D20/02 ,  H01F27/40 ,  H01F30/16

Abstract: The invention is concerned with a cooling arrangement for a high voltage power device in an enclosure and immersed in an insulating fluid. The arrangement includes a cooling device for placing in the interior of the enclosure and having a channel formed as a duct for the insulating fluid the duct having a first wall including a phase change material for cooling insulating fluid that passes through the channel. The invention is also concerned with a method of operating a valve of a cooling device in such a cooling arrangement.