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- Modulating valves reclose at set pressure. 调制式阀在设定压力时重新关闭。
- Adaptive reclose can remarkably enhance power system reliability. 摘要自适应重合闸可显著提高供电可靠性。
- A new type of automatic reclose controller is described in this paper. 叙述了一种新型的自动重合控制器,提出了一种小电流接地保护的新方法。
- This equates to reclosing with twice the supply voltage on the motor. 这等于再合闸电机上有两倍的电源电压。
- The development of automatic reclosing made the unattended substation practical. 自动重合闸的研制使无人值班变电站得以实现。
- The correspondent changes from single phase reclosing mode to synthesis reclosing mode were introduced as well. 并介绍了单重改综重所做相应的改变。
- For Nanyang grid' s 110 kV transmission line, a reclosing software package is presented in this paper. 针对南阳电力网110 kv线路研制了一个自动重合闸软件包。
- The improvement of reclosing mode for feeder, from single phase reclosing mode to synthesis reclosing node, was introduced. 摘要介绍了馈线路重合闸方式的改进,将馈线路重合闸的方式由单重方式改为综重方式。
- Their common shortcoming is that they act blindly entirely before reclosing and can not distinguish instantaneous fault from permanent fault. 它们共同的缺点就是在重合闸之前,完全是盲目的动作,无法区分线路发生的是瞬时性故障还是永久性故障。
- The switches are sequential tripped at optimal trip time and shut down reclose for permanent fault. 永久性故障时,在最佳跳闸时刻分相跳开非故障相,闭锁重合闸。
- Stents improved the procedure by combating the tendency of many vessels to reclose quickly after angioplasty. 而支架技术的出现由于可以减少血管成形术后的血管再狭窄,从而使介入操作更进一步。
- Stents improed the procedure by combating the tendency of many essels to reclose quickly after angioplasty. 而支架技术的出现由于可以减少血管成形术后的血管再狭窄,从而使介入操作更进一步。
- Voltage generated by the motor at the instant of reclose may be equal to the supply voltage but exactly out of phase. 再合闸瞬间电机产生的电压可与电源电压相等但正好失相。
- At the time of reclose there can still be significant voltage present at the motor terminals. 再合闸时,仍可有明显的电压出现在电机终端。
- "Users simply open the package and set it out with the meal, then reclose the package and store it until the next meal. “用户只需打开包装,并设置与餐出来,然后重合闸的包装和储存,直到下一顿饭了。
- Reclosing at optimal time can largely improve system stability even if reclosing on permanent fault. 即使是重合于永久性故障,只要在最佳时刻重合闸同样可以显著改善系统的稳定性。
- The reclosing time of instantaneous fault is analyzed, it is not the sooner the better for this time. 2.;分析了瞬时性故障的最佳重合闸时刻问题,指出从系统稳定的角度考虑时,重合闸的时间不一定越快越好。
- As from the perspective of the forecast, the factors, such as the location of the initial failure, the reclosing etc. 然后从预测分析的需要和特点出发建立了电网连锁故障的概率分析模型。
- The reason that the system stability can be improved when reclosing at sometimes at the permanent fault is analyzed. 实际系统的仿真表明,本文计算出的最佳时刻重合,重合成功后系统的振荡明显小于其它时刻重合。
- The reclosing time of transmission line has distinct influence on power system stability. 输电线路的重合闸时刻对于重合闸完成后系统的稳定性有明显的影响。