Restriction orifice plates are suitable for all pipe sizes and shall meet the same requirements as flow measurement orifices unless otherwise noted. 限流孔板适合所有管道尺寸并且应满足和流量测量孔板同样的要求,除非另有注释。
In this paper,we present a new type of hybrid arc quenching system,which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。