公开(公告)号：US09396875B2

公开(公告)日：2016-07-19

申请号：US14888589

申请日：2013-06-14

Applicant: ABB TECHNOLOGY LTD

Inventor： Roger Gustavsson ,  Petter Johansson

IPC: H02K5/24 ,  H01G2/10 ,  H01G4/224 ,  H01G4/236 ,  G10K11/16

CPC classification number: H01G2/103 ,  G10K11/16 ,  H01G4/224 ,  H01G4/236

Abstract: A terminal bushing sealing element is adapted to be fitted between a terminal bushing and a barrier element. The sealing element is elastic, has an annular shape, and includes a wall with an inner surface and an outer surface. A first opening is provided at a first end of the sealing element and a second opening is provided at a second end of the sealing element, which is opposite to the first end and the wall extends between the first end and the second end. The wall includes a first wall portion that is inclined such that a diameter of the sealing element increases from the first end in the direction towards the second end. The sealing element provides for improved sound attenuation while maintaining a long creepage distance and may be used in sound attenuation casings that are included in power capacitor arrangements.

Abstract translation: 端子衬套密封元件适于安装在端子衬套和屏障元件之间。 密封元件是弹性的，具有环形形状，并且包括具有内表面和外表面的壁。 第一开口设置在密封元件的第一端处，并且第二开口设置在密封元件的与第一端相对的第二端处，并且壁在第一端和第二端之间延伸。 壁包括第一壁部分，其倾斜使得密封元件的直径沿着朝向第二端的方向从第一端增加。 密封元件提供改善的声音衰减，同时保持长的爬电距离，并且可以用于包括在功率电容器布置中的声衰减壳体中。

公开(公告)号：US09504182B2

公开(公告)日：2016-11-22

申请号：US14889068

申请日：2013-06-14

Applicant: ABB TECHNOLOGY LTD

Inventor： Carl-Olof Olsson ,  Petter Johansson

IPC: H05K7/20 ,  H02B1/56 ,  G06F1/20 ,  F01N1/10

CPC classification number: H05K7/20127 ,  H01G2/08 ,  H01G2/10 ,  H02B1/56 ,  H05K5/0213 ,  H05K7/2089

Abstract: An apparatus for enclosing a medium and/or high voltage unit connectable to an electric power system. The unit includes one or a plurality of electrical components and generates heat as a by-product during operation. The apparatus includes a housing including a main chamber housing a seat for holding the unit. The main chamber is arranged to house the unit. The housing includes at least one gas exit opening at an upper part of the housing and at least one gas entry opening. The housing includes a sound-absorptive gas exit chamber provided with the at least one gas exit opening. The housing includes a sound-absorptive gas entry chamber provided with the at least one gas entry opening. A first heat convection path is provided inside the housing between the at least one gas entry opening and the at least one gas exit opening, via the gas entry chamber, via the main chamber and via the gas exit chamber, in order to provide cooling. Each of the gas exit chamber and the gas entry chamber houses at least one sound-absorbing member for absorbing sound produced by the unit during operation. At least one of the gas exit chamber and the gas entry chamber has at least one heat conducting wall and at least one free space provided between the at least one sound-absorbing member and said wall such that the first heat convection path is provided inside the housing between the at least one gas entry opening and the at least one gas exit opening via the at least one free space.

Abstract translation: 一种用于封闭可连接到电力系统的介质和/或高压单元的装置。 该单元包括一个或多个电气部件，并且在操作期间产生作为副产品的热量。 该装置包括壳体，该壳体包括容纳用于保持该单元的座的主室。 主室安置在房间内。 壳体在壳体的上部包括至少一个气体出口和至少一个气体入口。 壳体包括设置有至少一个气体出口的吸声气体出口室。 壳体包括设置有至少一个气体入口的吸声气体入口室。 第一热对流路径通过气体入口室经由主室和经由气体出口室在壳体内部设置在至少一个气体入口和至少一个气体出口之间，以提供冷却。 每个气体出口室和气体入口室容纳至少一个用于吸收由单元在操作期间产生的声音的吸声构件。 气体出口室和气体入口室中的至少一个具有至少一个导热壁和设置在至少一个吸声构件和所述壁之间的至少一个自由空间，使得第一热对流路径设置在 通过所述至少一个自由空间容纳在所述至少一个气体入口和所述至少一个气体出口之间。