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- Fault Electric Arc and Its Protection in Switchgear 开关设备中的故障电弧及其防护
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- fault electric arc 故障电弧
- Electric arc with pushing force, stable current. 电弧带推力,电流稳定;
- An unintended electric arc,as between two pieces of apparatus. 飞弧如在两块器械之间产生的一道随意性的电弧
- An unintended electric arc, as between two pieces of apparatus. 飞弧如在两块器械之间产生的一道随意性的电弧
- An electric arc is struck by contacting the electrodes. 接触电极便击出电弧。
- Superior resistance against electric corona and electric arc. 绝缘材料具有优越的耐电晕、抗电弧性能。
- In Perterson coil system, it can be decreased that the capacitor current through fault point and the over-voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc. 中性点经消弧线圈接地后,有效减小了流过故障点的电容电流,减小了弧光接地过电压,有利于电弧熄灭。
- After the neutral point is grounded through Peterson coil, it can decrease the capacitor current through fault point and the over-voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc. 中性点经消弧线圈接地后,有效地减小了流过故障点的电容电流,减小了弧光接地过电压,有利于电弧熄灭。
- Stable electric arc can be ensured from undercurrent to high current. 从小电流到大电流都可以保持稳定电弧。
- Key words:electric arc furnace, lead dust, blood lead, hearing loss. 关键字:电弧炉、铅粉尘、血铅、听力损失。
- Such as electric arc welding, carbon dioxide gas shielded arc welding, TIG etc. 如:电弧焊、二氧化碳气体保护焊、氩弧焊等各种焊接。
- Brown Fused Alumina is made from high quality bauxite by fusing in an electric arc furnace at high temperature. 棕刚玉以铝矾土为主要原料,经高温熔炼而成。
- It expoundes basic moving laws of furnace charge and gas from HC FeCr smelting in electric arc furnace. 论述了矿热炉冶炼高碳铬铁炉内炉料和炉气的基本运动规律。
- In other oxygen steel making processes and in the electric arc steelmaking process. 在其它氧炼钢和电弧炼钢过程中作为。
- In the electric power profession, if voltage higher then is easy to produce the electric arc to offend somebody. 但是,当用于电力行业时,如果电压较高则容易产生电弧伤人。
- It has certain endure leakage of electricity and endure electric arc. 具有一定的耐漏电性和耐电弧性。
- At the other hand, electromagnet is a big inductance load, when DC contactor is on or off, electricity arc is easy to happen and burnout the contactor. So the fault rate is very high and it needs much repairing work. 另外电磁铁是个大电感负载,当直流接触器接通和断开的时候,电感反电势非常大,很容易产生电弧光,烧坏直流接触器,因而故障率非常高,维修工作量很大。
- Voltage feedback control can automatically compensate to the distribution voltage wav and let the welding electric arc stability. 电压反馈控制,对电网电压波动能自动补偿,使焊接电弧稳定。
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