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。
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.
介绍开断近区故障(SLF)时恢复电压的计算和灭弧室在不同燃弧时间下的理论分析。
Introduction to calculation of recovery voltage in short line fault (SLF) and theoretical analysis of the interrupter in various arcing time.
借鉴高压电器的理论知识，结合自己多年的实践经验，编制了灭弧室开断特性的数学模拟计算程序。
Opening characteristic dynamic simulated accounting procedure is also programmed with abundant high-volt electric theory and years of the practical experience.
将断路器的操动机构和灭弧室的相互作用视为动态控制系统，建立了断路器开断过程的数学模型；
The interaction between operating mechanism and interrupter of a puffer circuit-breaker is regarded as a dynamic control system. Its mathematical model of breaking process is built.
对高压自能式SF_6断路器灭弧室在短路开断试验中容易出现的问题进行了分析、判断和探讨，从而寻求解决的办法。
This paper discusses the matters in which the self-energy SF6 circuit breaker is subject to appearing during short-circuit breaking test in order to find a solution.
此外，还介绍了用具有引弧装置的合成迥路来作开断电流试验的方法，同时分析了试验结果。
Besides, the paper introduces the method of interrupting the current by means of a synthetic loop with an arc-ignition device and presents an analysis of the test result.
这一横向磁场会将电弧吹向弧隙外侧，削弱了真空灭弧室的开断能力。
Such horizontal magnetic field will make the arc move out of the electrode gap, and reduce the interrupting ability of the vacuum interrupters.
分析了压力变化与开断时间的关系，比较了不同基压下压气缸与喷口喉部气体压力特性的变化，说明了基压对断路器灭弧室内压力的影响。
The changes of the pressure in puffer chamber and nozzle throat under different base pressure are compared, which shows that base pressure has an influence on the pressure in gas chamber.
建议尽量缩短真空灭弧室两端径向引出线的长度，以减少外部接线对灭弧室开断能力的影响。
It is suggested that the length of radial lead-out connections on two ends of the vacuum interrupter should be reduced as far as possible to minimize the influence of external...
建议尽量缩短真空灭弧室两端径向引出线的长度，以减少外部接线对灭弧室开断能力的影响。
It is suggested that the length of radial lead-out connections on two ends of the vacuum interrupter should be reduced as far as possible to minimize the influence of external connecting b...
利用它对国产OFPI—220型SF_6断路器进行的计算结果表明，改变动触头排气孔位置及电弧对动触头内腔中气体的热效应可明显提高开断电流时灭弧室压力上升速度。
The results show that the position of the exhausting gas hole and the arc heat effects on the gas inside the hollow moving contact have obviously raised the pressure rising speed.
利用它对国产OFPI—220型SF_6断路器进行的计算结果表明，改变动触头排气孔位置及电弧对动触头内腔中气体的热效应可明显提高开断电流时灭弧室压力上升速度。
The results show that the position of the exhausting gas hole and the arc heat effects on the gas inside the hollow moving contact have obviously raised the pressure rising speed.
应用推荐