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    • 37. 发明授权
    • Switchgear unit for switching high DC voltages
    • 用于切换高直流电压的开关柜
    • US08766760B2
    • 2014-07-01
    • US13537918
    • 2012-06-29
    • Waldemar WeberKlaus WernerHubert HarrerWolfgang Schmidt
    • Waldemar WeberKlaus WernerHubert HarrerWolfgang Schmidt
    • H01H85/00H01H71/20H01H85/02
    • H01H9/32H01H37/761H01H71/122H01H83/10
    • A switchgear unit switches high DC voltages, particularly for interrupting of direct current between a direct current source and an electrical device. The switchgear unit contains two connections which project from a housing and which are electrically conductively coupled by a conductor path, a contact system which is arranged between the first and second connections and an isolating apparatus that can be tripped by a thermal fuse. The thermal fuse contains a melting location which is arranged in the conductor path and which is connected first to the contact system and second via a moving conductor section to the first connection. The isolating apparatus is tripped and the connection between the conductor section and the contact system is broken at the melting location when an arc produced when the contact system is opened has caused the melting temperature of the melting location to be reached or exceeded.
    • 开关柜单元切换高直流电压,特别是用于中断直流电源和电气设备之间的直流电。 开关装置包含从外壳突出并且通过导体路径导电耦合的两个连接,设置在第一和第二连接之间的接触系统以及可被热熔断器跳闸的隔离装置。 热熔丝包含布置在导体路径中的熔化位置,其首先连接到接触系统,而第二通过移动导体部分连接到第一连接。 当接触系统打开时产生的电弧导致熔化位置的熔化温度达到或超过,隔离装置跳闸,并且导体部分和接触系统之间的连接在熔化位置断裂。