公开(公告)号：EP4456354A1

公开(公告)日：2024-10-30

申请号：EP24163640.6

申请日：2024-03-14

申请人： ABB Schweiz AG

发明人： LIANG, Zicheng ,  YAN, Congming ,  CHEN, XingJie ,  HUANG, Liqun

IPC分类号： H02G5/00 ,  H01R4/60

摘要： The present disclosure relates to a bus bar system and an apparatus for bus bar connection. The bus bar system comprises: a plurality of members; a component configured to couple the plurality of members to form a connection portion comprising a cavity, and the component is arranged in the cavity. By employing the bus bar system and the apparatus for bus bar connection according to the present disclosure, it is possible to achieve a significant reduction in the number of parts for bus bar connection without requiring a large number of screws or electric field shieldings, eliminating the process of flattening both ends of the bus bars, improving the heat dissipation performance, improving the working efficiency thanks to simple, fast and reliable bus bar connection.

公开(公告)号：EP4456106A1

公开(公告)日：2024-10-30

申请号：EP24162687.8

申请日：2024-03-11

申请人： ABB Schweiz AG

发明人： YAN, Congming ,  LIANG, Zicheng ,  HUANG, Liqun ,  CHEN, Xingjie

IPC分类号： H01H31/00 ,  H01H31/32 ,  H01H3/26

摘要： The present disclosure relates to a switchgear, comprising at least one three-position disconnector arranged in a gas-tight space of a frame. Each phase of the disconnector includes first, second and third fixed contacts and a moving contact. The first fixed contact is directly connected to a main busbar, so that the conductive main circuit has shorter wiring, saving floor space and conductor materials. An outer surface of the moving contact is provided with a slot extending in an axial direction to accommodate rolling elements, which guide the moving contact to move through the second fixed contact and prevent it from rotating. The moving contact is provided with grooves, which accommodate contact pieces to realize connection with the corresponding fixed contact. This arrangement reduces the number of contact pieces, simplifies the structure of the contact and reduces friction. The moving contact of each disconnector is coupled to the same drive shaft so that it is connected to an external operating mechanism via only one sealing point on the frame, thereby improving the sealing performance, simplifying the sealing structure and reducing the complexity and cost of assembly, while enabling the simultaneous driving of the respective moving contacts.