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.
减小接地故障点的残流有利于接地电弧的瞬间熄灭及降低间歇性电弧接地过电压。
The reduction of the residual current of the ground-fault point is beneficial to the extinction of the grounding arc and to the reduction of the intermittent arc grounding over voltage.
接地故障的低电压系统的保护是因为存在和电弧接地故障的低级别的性质相当严重的问题。
Ground-fault protection of low-voltage systems is a considerable problem because of the presence and nature of low-level arcing ground faults.
该方法不受电网平衡情况和接地电阻大小的影响，对复杂的间歇性电弧接地故障同样有效。
It is immune from the unbalanced status of network and the values of earthed resistance. To the complicated intermittent arc-earth fault, the proposed method also works well.
将电弧焊设备上的接地连接尽可能近地连接到将要焊接零件的焊接点上。
Connect the ground connection of the electric arc welding equipment as near as possible to the welding point on the part to be welded.
电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
对快速接地开关（HSGS）熄灭潜供电弧的机理进行了分析。
The mechanism of secondary arc extinction by high speed grounding switches (HSGS) is analyzed.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
精确的测量和跟踪是自动调谐式消弧线圈精确地补偿系统电容电流、有效地熄灭接地点电弧的前提和基础。
Precisely measuring and tracing is a precondition and basis of arc-suppression coil with automatic tuning accurately compensating system capacitive current and efficiently quenching ground arc.
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。
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.
漏电火灾报警系统防止电弧性接地故障火灾具有重要作用。
The alarming system of creepage fire disaster plays an important role in protecting grounded trouble fire disaster of electric arc.
漏电火灾报警系统防止电弧性接地故障火灾具有重要作用。
The alarming system of creepage fire disaster plays an important role in protecting grounded trouble fire disaster of electric arc.
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