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    • 4. 发明公开
    • Combined device for electrical protection against transient, temporary and permanent overvoltages
    • 针对短暂的,时间和广泛的浪涌联合电气保护装置
    • EP2131468A1
    • 2009-12-09
    • EP08381019.2
    • 2008-05-29
    • Cirprotec, S.L.
    • MARTIN PEIDRÓ, José Antonio
    • H02H3/20H02H3/22G01R15/04
    • H02H3/22H02H3/207
    • Device provided with a part designed to protect - against transients overvoltages, and another part designed to protect against temporary and permanent overvoltages; the device is associated with electromechanical releases which cause a -switching device to open when there is a supply overvoltage greater than a predetermined period leaving the loads connected downstream of the device without supply, the device is situated downstream of the switching device with which it is associated so that in the event of actuation it is separated from the electrical network, and in addition permits an actuation time which varies according to the level of overvoltage and programmable which prevents unwanted tripping actions, it also processes both the peak and rms values of the network signal and generates a trip signal to the electromechanical releases consisting of a sequence of impulses.
    • 提供了旨在保护部分设备 - 针对瞬态过电压,而另一部分旨在防止临时和永久的过电压; 该设备与机电释放引起一个 - 开关设备打开当有电源过压超过预定的时间离开装置的下游连接,而不供给的负载更大相关联,该装置位于与它的开关装置的下游 作为“那个”在致动的情况下,它是从电网分离,并且除了许可证致动时间而变化雅丁过压和可编程其防止不需要的跳闸动作的水平相关联,因此它处理两者的峰值和均方根值 网络信令和基因率跳闸信号给机电释放由...组成脉冲序列的。