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。
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。
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蹤。
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。
use of arc extinguishing coil in combination with automatic compensation system is an effective approach for reducing single- phase earthing capacitance and current.
采用消弧线圈并配置自动补偿系统是降低电网单相接地电容电流的有效方法,文中对中性点经消弧线圈接地补偿电容电流的原理;
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。
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。
based on the comparison of advantages and disadvantages of several representative arc extinguishing apparatus. a new type magnetic valve arc extinguishing apparatus is introduced in this paper.
分析了目前我国电力系统具有代表性的几种消孤装置,分别指出了它们的局限性。
the designed structure of dual adjust arc extinguishing coil isautotransformer and switched capacitor with adjusted short impedance.
提出一种自耦变压器结构、投切电容与调节短路阻抗相结合的双重调节式消弧线圈。
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。
the utility model relates to a miniature vacuum load switch cabinet which comprises a cabinet body and three vacuum arc extinguishing chambers.
小型真空负荷开关柜,包括柜体、三个真空灭弧室,其特点是柜体内横向固设有隔板;
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 fuse pipe adopts the material with high content of oxidation silicon as the arc extinguishing media. and uses small-diameter metal line as fuse wire.
熔体管采用含氧化硅较高的原料作灭弧介质,应用小直径的金属线做熔丝。
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。
this paper also analyzes the errors of the algorithm with arc extinguishing coil and user load in the system, and explains its practicability and feasibility.
本文还分析了系统在带有消弧线圈和用户负载时此种测距方法的误差,并说明了此种方法的实用性和可行性。