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1. 发明授权

US3898408A Circuit interrupter with improved trap for removing particles from fluid insulating material 失效
标题翻译：具有改进的捕集器的电路断路器，用于从流体绝缘材料中去除颗粒
公开(公告)号：US3898408A
公开(公告)日：1975-08-05
申请号：US38465373
申请日：1973-08-01
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： COOKSON ALAN H , FARISH OWEN , GAUNTZ JOHN M , DAKIN THOMAS W , SOMMERMAN GEORGE M L , KANE RICHARD E , NERI ZENO
IPC分类号： B03C3/00 , H01H33/24 , H02G5/06 , H01H33/82 , H01H9/30
CPC分类号： B03C3/00 , H01H33/24 , H02G5/065 , Y10S55/38
摘要： A circuit interrupter including a dielectric particle trapping structure interposed between two conductors of a generally concentric arrangement which forms part of the circuit interrupter and to which a high voltage may be applied. The particle trap is particularly adapted for use with a fluid insulating system, more specifically a gaseous insulating medium such as sulfur hexafluoride. The particle trap may be disposed in the vicinity of a critical section of a high voltage conductor, where the presence of extraneous particles of dielectric or metallic material, which are suspended within the fluid may trigger high voltage breakdown if not removed. The particle trap may also be disposed proximate to an inner electrode barrier. Since the particle trap may be a dielectric material which has either corrugations or holes in it, zero or near zero electric fields are created near the holes or depressions. The particle trap allows gravity or the attraction between oppositely charged bodies to actuate charged particles to move into the zero electric field regions and onto the low voltage conductor in the circuit interrupter where the particles discharge any charge thereon. Subsequently, the electric fields in these regions are too low to allow migration of particles to the oppositely charged high voltage electrode.
摘要翻译：一种电路断续器，其包括插入在大致同心布置的两个导体之间的电介质颗粒捕获结构，其形成电路断续器的一部分并且可施加高电压。颗粒捕集器特别适合于与流体绝缘系统，更具体地，气态绝缘介质如六氟化硫一起使用。颗粒捕集器可以设置在高压导体的临界区域附近，其中悬浮在流体内的外来的电介质或金属材料颗粒的存在可能在不去除时触发高压击穿。颗粒捕集器也可以靠近内部电极屏障设置。由于颗粒捕集器可以是其中具有波纹或孔的电介质材料，所以在孔或凹陷附近产生零或接近零的电场。颗粒捕集器允许重力或相对带电体之间的吸引力致动带电粒子以移动到零电场区域和电路断续器中的低电压导体上，其中颗粒在其上释放任何电荷。随后，这些区域中的电场太低而不能使颗粒迁移到带相反电荷的高压电极。

2. 发明授权

US3895176A Coaxial conductor with trap for removing particles from fluid insulation 失效
标题翻译：同轴导体，带有用于从流体绝缘中去除颗粒的陷阱
公开(公告)号：US3895176A
公开(公告)日：1975-07-15
申请号：US38452673
申请日：1973-08-01
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： COOKSON ALAN H , FARISH OWEN , GAUNTZ JOHN M
IPC分类号： B03C3/00 , H01H33/24 , H02G5/06 , H01B9/04
CPC分类号： H02G5/065 , B03C3/00 , H01H33/24 , Y10S55/38
摘要： An electrically insulating conducting system which includes a cylindrical outer electrode inside of which is disposed another electrode. These electrodes may be energized. An electrically conducting tubular barrier member is disposed around the inner electrode but inside of the outer electrode. An electrically conducting particle trap is disposed close to the barrier. The outer electrode is utilized to enclose sulfur hexafluoride insulating fluid which acts as an insulating means for the electrical system. Some particles which may float in the sulfur hexafluoride gas become trapped between the electrically conducting barrier and the proximate electrically conducting particle trap because the electrically conducting particle trap distorts the electric field which exists between the hollow outer electrode and the innermost electrode when a potential difference exists therebetween. Consequently, any particle which somehow enters the region associated with the barrier and the particle trap has a high probability of becoming trapped in that region.
摘要翻译：电绝缘导电系统，其包括圆柱形外电极，其内部设置有另一电极。这些电极可以被通电。导电管状阻挡构件设置在内部电极周围但外部电极内部。导电颗粒捕获器靠近屏障设置。外部电极用于封闭六氟化硫绝缘流体，其用作电气系统的绝缘装置。可能漂浮在六氟化硫气体中的一些颗粒被捕获在导电屏障和邻近导电颗粒捕集器之间，因为当存在电势差时，导电颗粒捕集器会扭曲存在于中空外电极和最内电极之间的电场之间。因此，任何进入与屏障和颗粒捕集器相关联的区域的颗粒在该区域中被捕获的概率很高。

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