摘要:
The invention relates to a switching unit comprising a switching module and a cooling channel. The switching unit (1) comprises a housing (2); a switching module (3, 3', 3''), which is arranged in the interior of the housing (2) and has a switching element (4) and a cooling channel (5); an insulating liquid (6) in the interior of the housing (2), which surrounds the switching module (3, 3', 3''); and a cooling circuit (7), which has a pump (8), the cooling channel (5) and a heat exchanger (10); the interior of the housing (2) and the cooling circuit (7) being hydraulically connected to each other.
摘要:
The invention relates to a switching device, in particular an on-load tap changer, having a housing and at least one exchangeable switching module. The switching device (1), in particular on-load tap changer, comprises a housing (2); an exchangeable switching module (3, 3', 3"); a fixed contact (20) arranged inside the housing (2); a guide rail (25) arranged inside the housing (2). The switching module (3, 3', 3") has a movable contact (10) that can be releasably connected to the fixed contact (20). The switching module (3, 3', 3") has a lower distribution plate (51) that is movably connected to the guide rail (25).