The projection area of the arc splitter and the projection area of the magnet are partially overlapped.
熄弧栅的投影的区域与磁体的投影 区域有部分重叠。
A permanent magnet with a wide pole arc circular ring structure is arranged on the rotor and fixed with a non-magnetic thin-wall outer ring.
转子上装有宽极弧圆环结构的永磁体，永磁体用非磁性的薄壁外圈固定。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
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