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12. 发明申请

WO1981002812A1 SCREENED OVERVOLTAGE SHUNTING DEVICE 审中-公开
标题翻译：筛选过电压隔离器件
公开(公告)号：WO1981002812A1
公开(公告)日：1981-10-01
申请号：PCT/CH1981000022
申请日：1981-02-26
申请人： BBC BROWN BOVERI & CIE , ECKLIN G
发明人： BBC BROWN BOVERI & CIE
IPC分类号： H01T05/04
CPC分类号： H01T4/20
摘要： In an overvoltage shunting device enclosed in an electrically conductive, earthed housing (1), and comprising shunting elements (2) in the shape of stacked discs in at least one column and a protection and control body in order to obtain a linear distribution of the potential along the active part (3), it is possible to obtain with the aid of simple means, also in overvoltage shunting devices produced in small series, a good distribution of the electrical field. For this purpose, the protection and control body is composed of two electrically conductive layers (6) surrounding approximatively concentrically the active part (3) of the device, each one being electrically insulated from the others and wrapped in a body (5) of an insulating material. These layers are disposed parallel to the axis of the column of the active part (3) and shifted from one another at their opposite ends on the high voltage conductive side of the active part (3), so as to form a stair way on their internal side facing the active part (3). In such an overvoltage shunting device the linearisation of the voltage drop along the active part (3) is simply obtained and thus the device is not only characterized by its low production cost but also by its extreme compactness. To this must be added the possibility of partially resorting, for the production of such a device, to the technologies used for producing capacitor crossings.
摘要翻译：在封闭在导电接地壳体（1）中的过电压分流装置中，并且包括在至少一个列中的堆叠盘形状的分流元件（2）和保护和控制体，以便获得线性分布沿着有源部分（3）的电位，可以借助简单的手段获得小型串联产生的过压分流装置，电场分布良好。为此，保护和控制主体由两个近似同心地围绕该装置的有源部分（3）的导电层（6）组成，每个导电层（6）彼此电绝缘并缠绕在一个主体（5）中绝缘材料。这些层平行于有源部分（3）的列的轴线布置并且在其相对端在相对端部在有源部分（3）的高压导电侧上相互偏移，以便在其上形成阶梯内侧面向活动部件（3）。在这种过电压分流装置中，简单地获得沿着有源部分（3）的电压降的线性化，因此该装置的特征在于其低的生产成本，而且由于其极小的紧凑性。为此，必须增加用于生产这种装置的部分用于生产电容器交叉点的技术的可能性。

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