分析了断路器绝缘特性和合闸时间分散性对并联电容器组同步关合的影响;
This paper analyses the influences of the closing time scatter and dielectric characteristic of circuit breaker on synchronous energizing shunt capacitor banks.
提出了一种新的智能实时捕捉方法,对瞬时性故障的最佳重合闸时间进行了捕捉。
A new intelligent on-line capturing of the optimal reclosing time of transient fault is presented.
自动重合闸的不同重合闸时间影响电力系统暂态稳定性,使得它的最佳重合时刻的捕获一直受到关注。
Different reclosing times of automatic reclosing affect power system transient stability, so the capturing of optimal reclosing time is always followed with interest.
通过改变线圈电阻和匝数两个参数,分别仿真分析了线圈电阻和匝数的改变对于操作机构合闸时间及动铁芯运动速度的影响。
The effects of coil resistance and the number of turns to operating mechanism closing time and moving velocity of the iron core are simulated and analyzed.
通过对断路器主触头与辅助触头的动作情况进行分析,提出了一种不用拆开合闸电阻与主触头的连接线就可以测量合闸电阻的方法,而且可以同时测出合闸电阻的提前合闸时间。
In this paper, the abnormal phenomenon of the closing time of a 500 kV circuit breaker was analyzed, and actions taken to avoid the condition in the other sites were put forward.
即当线路出现故障,继电保护使断路器跳闸后,自动重合闸装置经短时间间隔后使断路器重新合上。
That is, when the line failure, the relay circuit breaker tripping, the device auto-reclosing after a short time interval, so that a re-breaker.
其次,基于现阶段国内外对自动重合闸理论的研究,引出“最佳重合时间”的概念。
Then, the conception of the Optimal reclosing Time is introduced base on the researches on the automatic reclosing theory in the world.
高压、超高压输电线路的开关为分相开关,当对侧开关单相偷跳后,在线路负荷比较重、同时重合闸动作时间比较长的情况下可能引发系统振荡。
HV and EHV transmission lines are equipped with split-phase breaker. If a longer reclosing time is setting in a heavy load line, the system may swing after the trip without fault of remote breaker.
本文根据对断路器合闸过程的暂态分析,得出适合于工程实际的“最佳重合时间”的计算方法。
In this paper, the project of the Optimal Reclosing Time suitable for application is presented according to the transient analysis of circuit breakers' making process.
合闸弹跳是真空断路器机械特性的重要参数之一, 真空断路器的出厂标准中一般都规定了合闸弹跳时间,这是因为合闸弹跳幅度越大。
The mechanical properties of switching VCB one of the important parameters. VCB general provisions of the factory standard switching time, it is because the greater the rate of switching.
合闸弹跳是真空断路器机械特性的重要参数之一, 真空断路器的出厂标准中一般都规定了合闸弹跳时间,这是因为合闸弹跳幅度越大。
The mechanical properties of switching VCB one of the important parameters. VCB general provisions of the factory standard switching time, it is because the greater the rate of switching.
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