合闸

• A safety interlocking used in systems powered by multi power supplies to prevent two or more circuit breakers from closing parallelly
  用于多路电源供电的系统，是一个安全联锁装置，以防止二个或多个断路器并联合闸。
• The technique can distinguish external fault , internal fault and switching on slight fault , without information concerning parameters of the transformer and power system is required
  该方法能迅速有效的区分区外故障与区内故障，以及空载合闸于轻微故障的故障电流。
• The system also makes a groping research on the precision and quickness in the process of generator connection , because it captures the angle of advance with the help of fuzzy algorithm
  系统还采用模糊算法动态捕获合闸提前量，在并车合闸的精度和快速性方面作了有益的探索。
• In order to eliminate phenomenon of transient electromagnetism , ac apparatus such as ac relays , ac contacts and breakers must be disjuncted or closed according to special phase
  为了消除暂态电磁现象，要求交流电器(如：交流继电器、交流接触器、断路器等等)按照一定的电压或电流相位分合闸。
• It owns the functions of the data automatic acquiring , the data analysis , and the data storage orienting the vibrant signals generated during the altering of the breaker between the opening and close state
  通过实验，验证了该系统的可行性，最终实现了对断路器的实时监测及分合闸过程中产生的振动信号的采集、分析与存储。
• In the experiment of testing instantaneous characteristics for circuit breaker , the transient current exists in the experimental circuit because of the closing making angle , which has serious influence on the testing precision
  断路器进行瞬动特性试验时，由于合闸相角的原因，试验电路中会产生暂态电流，暂态电流的存在对试验精度产生严重的影响。
• In the course of settling new types of transformer microcomputer protection , it is still a key and difficult problem how to prevent protection miss - operating caused by magnetizing inrush when transformer suddenly is closed in no load
  在研究新型微机变压器保护过程中，如何防止变压器突然空载合闸时出现的励磁涌流所造成的保护误动作，仍然是最关键和最困难的问题。