The arc extinguishing principle of miniature circuit breaker in DC circuits was discussed.
讨论了小型交流断路器在直流电路中的灭弧原理。
The affect of inductance and time constant to DC arc extinguishing in DC circuits was analyzed.
分析了直流电路中电感和时间常数对直流电弧熄灭的影响。
Because the shape of the arc chute is optimized, the arc extinguishing effect of the arc extinguishing Chambers can be further improved.
又由于优化设计了灭弧栅片的外形，进一步提高了灭弧室的灭弧效果。
Due to DC arc extinguishing current has no natural zero-crossing point, so, DC arc can only been extinguished by forced zero-crossing-over.
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。
A vacuum degree measuring instrument of a vacuum switch without the detachment of an arc extinguishing chamber belongs to the detection field.
一种不拆卸灭弧室真空开关的真空度测量仪属于检测领域。
The utility model has the advantages of small mounting spacing of the arc extinguishing pieces, stable installation and high arc extinguishing capability.
本实用新型灭弧片安装间距小而且安装稳固灭弧能力高。
The utility model also relates to an arc extinguishing system which includes the arc extinguishing chamber and a miniature breaker which includes the arc extinguishing system.
本实用新型还涉及包括所述灭弧室的灭弧系统、以及包括所述灭弧系统的微型断路器。
Welding control device adopts microcomputer for process control, arc striking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.
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。
Possessing two methods of arc extinguishing and function of ball cutting after welding, suitable for different high performance welding procedures of semi-automation, automation and robot.
拥有两种收弧模式和焊后削小球功能，适合半自动、自动焊、机器人等不同的高性能焊接工艺需求。
Owing to some excellent feature of CPS, such as the high interrupting capacity, preferable arc extinguishing effect and high integration, it takes very important roles in Ex electrical appliance.
由于其具有高分断能力、较好的灭弧效果及高集成化等优点而使得CPS在防爆电器中发挥出了更大作用。
Based on the interrupting test results of this break unit with different parameters and structures, the physically designing principles of extinguishing arc fashion in HVDC breaker are introduced.
在不同参数、结构高压直流断路器单元开断试验结果的基础上，提出高压直流断路器灭弧方式的物理设计原则。
The electric field calculation is used for the insulation design of SF6 circuit breaker arc-extinguishing chamber.
结合一SF_6断路器灭弧室的设计讨论了电场计算在灭弧室绝缘设计中的应用。
The invention also discloses a hybrid switching method for extinguishing arc of the mechanical switch.
还公开了一种为机械开关灭弧的开关混合切换方法。
The principle of arc-suppression coil with three phases and five columns , and theory of power frequency extinguishing arcing were introduced.
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 dissertation studies the problems of the voltage regulation and arc—extinguishing of magnetic valve controllable reactor both in theory and application.
论文从理论和应用两个方面研究了磁阀式可控电抗器在电力系统中的调压和消弧问题。
This paper presents the principle and structure of the controll system of controllable arc-extinguishing reactor.
介绍一种新型可控消弧电抗器控制部分的结构和原理。
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
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。
Fuses consist essentially of a fusible element and an arc-extinguishing means.
熔断器基本由可熔断元件和熄弧装置组成。
Taking the hydro-generator for the Three Gorges power plant as an example, this paper expounds it is very necessary for large_capacity hydro-generator to adopt arc-extinguishing coil grounding.
以三峡水轮发电机为例，阐述了大型水轮发电机中性点经消弧线圈接地的必要性。
Taking the hydro-generator for the Three Gorges power plant as an example, this paper expounds it is very necessary for large_capacity hydro-generator to adopt arc-extinguishing coil grounding.
以三峡水轮发电机为例，阐述了大型水轮发电机中性点经消弧线圈接地的必要性。
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