Analysis of Dielectric Recovery Strength and Reignition Process in Iron Splitters Chambers of AC Contactor 接触器栅片灭弧室介质恢复强度及重燃过程的分析
Based on the experimental results and the characteristics of the arc movement in the chambers with iron splitters horizontally and vertically placed, the different influences on the process of reignition and the dielectric recovery are analyzed. 通过对栅片水平放置和竖直放置灭弧室中电弧运动状况的分析,比较了它们对重燃过程及介质恢复过程的影响。
It is proposed that the most important factor to determine the AC flashover criterion is the recovery condition, but not the reignition condition as proposed by others. 决定交流污闪条件的最重要的因素是交流电弧的恢复条件,而不是以往人们所认为的重燃条件。
Vacuum breaker is widely applied in the reactive power compensation as the switch of shunt capacitor banks, which will cause reignition and over-voltage after the switching performance gets deteriorated. 进行无功补偿时广泛使用真空断路器作为并联电容器组的开关控制元件,其操作性能劣化后,突出的表现就是极易发生重燃和操作过电压危害。
At last, vacuum circuit breaker switching capacitance group overvoltage formative causes and electrode refining for lessening reignition are discuss. 最后简要分析了真空断路器开断电容器组过电压的形成原因及为减少重燃的电极老炼措施。
The aim is to reduce the reignition rate and over-voltage damage from the perspective of the mechanical characteristics of the vacuum breaker switching shunt capacitor banks. 最终的目标是从真空断路器机械特性方面入手,降低操作并联电容器组时的重燃率、并减小操作过电压危害。
Analysis on electric field in the interrupter chamber of vacuum circuit breaker under reignition and current chopping 复燃和截流过电压作用下真空断路器灭弧室内的电场分析
This paper introduced the recent achievement in study of arc back strikes phenomena in low voltage circuit breakers, which are described as a thermal reignition in the arc ignition area and are relative to the residual current. 介绍了低压断路器中电弧背后击穿现象研究的近期进展,指出这种现象产生的原因是由于电弧背后区域的热重燃造成,它与剩余电流有密切关系。
This paper describes the mechanism that multiple reignition of breaker can restrain or increase progressively the switching overvoltage during switching off inductive or capacitive load. 论述了开关在开断感性或容性负载时多次重燃对过电压的抑制或递升机理。
It consists of two sources: low voltage high power source which puts the arc maintenance into practice and high voltage low power source which carries out the arc reignition. 它由两组电源构成:维持电弧燃烧的大功率低压电源和执行再引弧的小功率高压电源。
Effect of Multiple Reignition on Restraint or Increase of Switching overvoltage 开关多次重燃对过电压的限制或递增作用
Measures Taken for 3-phase Vacuum Circuit Breakers from Multiple Reignition Overvoltages 防止三相真空断路器产生多次重燃过电压的措施
On reignition case, this article introduces you to a control circuit of safety Gas Burning Stove with self-inspection for flameout and continuous ignition. 针对重新点火燃烧的情况,设计出一种具有自动检测熄火及连续点火功能的安全型燃气灶具控制电路是可行的。
Arc Reignition and Dielectric Recovery of SF_6 Rotating Arc SF6旋转电弧的重燃和弧后介质恢复的试验研究
The Investigation on the Reignition During Interrupting a Shunt of capacitors by Vacuum Switches 真空开关开断电容器组重燃原因的研究
If reignition voltage is equal to arc voltage, the arc will not go out. 再引弧电压等于电弧电压,就不会发生熄弧和再引弧现象。
The simulations are performed at a higher Reynolds number, we numerically analysis the effects of different diluents on the flame structure, temperature and NOx emission of the syngas flame as well as extinction and reignition phenomena. 在中高雷诺数条件下,详细分析不同稀释剂对合成气火焰结构、温度、NOx化合物生成及熄火、再燃现象的影响。
These results also provide the numerical simulation research foundation for the fire extinction, reignition and other typical turbulence phenomena. 这也为火灾中熄火、再燃及其他湍流典型现象提供数值模拟研究基础。