High voltage sulfur hexafluoride circuit-breaker capable of operating at
low outside temperatures
    1.
    发明授权
    High voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures 失效
    高压六氟化硫断路器能够在室外温度低的情况下工作

    公开(公告)号:US4739137A

    公开(公告)日:1988-04-19

    申请号:US011488

    申请日:1987-02-05

    CPC分类号: H01H33/90

    摘要: A high voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures and comprising at least one current-interrupting chamber comprising a sealed insulating enclosure containing a fixed contact inside a blast nozzle and a set of moving contacts associated with an operating member, the circuit-breaker including the improvement of means for maintaining a quantity of liquefied gas in the vicinity of the contact separation zone while the circuit-breaker is in the closed position.

    摘要翻译: 一种能够在低外部温度下操作并且包括至少一个电流中断室的高电压六氟化硫断路器,包括密封绝缘外壳,其包含在喷嘴内的固定触点和与操作构件相关联的一组移动触点, 断路器包括在断路器处于闭合位置时改进用于在接触分离区附近保持液化气体量的装置。

    Sulfur hexafluoride circuit-breaker for operating in a very low
temperature environment
    2.
    发明授权
    Sulfur hexafluoride circuit-breaker for operating in a very low temperature environment 失效
    六氟化硫断路器在非常低的温度环境下工作

    公开(公告)号:US4711978A

    公开(公告)日:1987-12-08

    申请号:US8446

    申请日:1987-01-29

    CPC分类号: H01H33/901

    摘要: A sulfur hexafluoride circuit-breaker for operating in a very low temperature environment, the circuit-breaker being of the type comprising a sealed enclosure filled with sulfur hexafluoride and closed by first and second end plates, a set of fixed contacts, a set of moving contacts driven by an operating rod, a blast volume which is mechanically compressed when the operating rod is displaced to open the circuit-breaker, and blast nozzle for directing the said compressed gas from said volume onto the arc, the circuit-breaker including the improvement of means for creating an arc in said blast volume during a portion of the time that the moving assembly is moving, by diverting the current to be interrupted so that it flows through two parts constituting two electrodes.

    摘要翻译: 一种用于在非常低温环境中工作的六氟化硫断路器,该断路器的类型包括填充有六氟化硫并由第一和第二端板封闭的密封外壳,一组固定触点,一组移动 由操作杆驱动的触点,当操作杆移动以打开断路器时被机械压缩的鼓风体积以及用于将所述压缩气体从所述体积引导到弧上的鼓风喷嘴,所述断路器包括改进 用于在移动组件移动的一部分时间期间通过转移要被中断的电流使得其流过构成两个电极的两个部分而在所述鼓风体积中产生电弧的装置。