熔断器基本由可熔断元件和熄弧装置组成。
Fuses consist essentially of a fusible element and an arc-extinguishing means.
本发明提供一种具有熄弧系统的断路器(20)。
A circuit breaker (20) having an arc quenching system is provided.
熄弧栅的投影的区域与磁体的投影 区域有部分重叠。
The projection area of the arc splitter and the projection area of the magnet are partially overlapped.
此外还对消弧线圈熄弧原理和补偿电网的作用机理进行了说明。
Besides blowing out of arc principle of arc suppression coil and function principle of compensated electric net are explained.
导弧板将电弧向熄弧栅引导，其靠近动触头一端具有直流引弧角。
A guide arc plate leads the electric arc to the arc splitter and the end close to the active contact is provided with a DC guide arc Angle.
介绍了三相五柱式消弧线圈的工作原理，单相电弧接地过电压的工频熄弧理论。
The principle of arc-suppression coil with three phases and five columns , and theory of power frequency extinguishing arcing were introduced.
由于直流熄弧电流不存在自然的过零点，因此必须强制过零才能熄灭直流电弧。
Due to DC arc extinguishing current has no natural zero-crossing point, so, DC arc can only been extinguished by forced zero-crossing-over.
直流换流器熄弧角是直流输电系统的重要电气量，常被用于判断直流输电系统逆变器的换相失败。
The extinction angle of the DC converter, which is usually used to study the commutation failure of the DC inverter, is an important parameter in the DC transmittal system.
焊接自动控制装置采用微机实现焊接过程控制，完成引弧、焊接、熄弧控制及弧压自动调节和焊缝自动跟踪。
Welding control device adopts microcomputer for process control, arc striking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.
最后提出了电弧自熄判据，并以此计算了燃弧时间，与实测时间基本吻合。
Finally arc self-extinction criterion is proposed to compute arc durations under the different conditions, which are corresponded with test results.
最后提出了电弧自熄判据，并以此计算了燃弧时间，与实测时间基本吻合。
Finally arc self-extinction criterion is proposed to compute arc durations under the different conditions, which are corresponded with test results.
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