The characteristic of breaker failure protection for ac Filter (ACF) sub-bank is presented.
分析了交流滤波器小组开关失灵保护的特点。
The results show: these two methods can be used for high voltage vacuum circuit breaker failure detection.
结果证明，这两种分析方法可用于高压真空断路器故障检测。
If only phase current is used in breaker failure protection, miss trip may occur no matter the threshold of current is higher or lower than load current.
如果仅采用相电流判据，将无法避免失灵保护误动或者拒动。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
An actual breaker failure is analyzed in this paper, and a logical method is proposed to deduce breaker failure based on the ontology information uploading among the trip and close operation.
通过分析一个实际发生的断路器故障案例，结合断路器实际分合闸过程中上传的断路器本体信息，提出一种根据断路器本体信息进行故障预测的逻辑判断方法。
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.
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。
The leakage circuit breaker performance and protection types were introduced, examples of the phenomenon of leakage circuit breakers and the reasons for failure analysis.
简单介绍了漏电断路器的性能和保护种类，举例说明漏电断路器的常见故障现象及原因分析。
When there are bias excitation, controllable silicon failure, over current and other failures, KA5 gets absorbed and breaker loop trips by powered on so as for switching off main power supply.
KA5为跳闸报警继电器。当设备产生偏励磁、可控硅故障、过电流等故障时，KA5吸合，断路器分励线圈得电跳闸，切断主电源。
Through cause analysis, the authors believe the operational power supply failure leading to the disability of actuator of the breaker may be the possible cause.
分析了事故原因，指出操作电源故障致使操作机构不能正常动作是事故的可能起因。
If the capsule's quality can't meet the demand, the excessive rapid release speed of the breaker would lead to the fracture fluid viscosity premature descending and inducing the failure of work.
但是如果制作胶囊破胶剂的囊壳材料不好，胶囊破胶剂释放速率过快则会使压裂液提前破胶，导致施工失败。
Bus configurations of power station and substation have an influential role in cascading failures research, which may display through open-failure of breaker.
发电厂、变电站主接线在连锁故障研究中具有重要作用，这种作用可以通过断路器拒分故障表现出来。
The air or oil breaker will need to be replaced as will a rebuild of the switchgear cell in which the failure occurred.
空气或油破碎机和将里失败发生互换机细胞将需要被替换的改建在。
The stress relaxation of contact spring appeared at high temperature is one of the main failure modes in high capacity circuit breaker.
大容量断路器的主要故障模式之一是触头弹簧在较高温度下出现的应力松弛。
The operation characteristics and main failure modes of low-voltage circuit breaker were analyzed.
分析了低压断路器的工作特点和主要故障模式。
Failure ratio and success ratio degree were confirmed as the reliability indexes of low-voltage circuit breaker at the first time.
在此基础上首次提出了采用操作故障率等级与瞬动保护成功率等级作为低压断路器的可靠性指标。
Realizing the online monitor of the high voltage circuit breaker could judge the reliability and predicate the residual service life at any time, so the potential failure in early time can be found.
实现高压断路器的在线监测，可对设备的可靠性随时作出判断和对设备的剩余寿命作出预测，从而能早期发现潜在的故障。
Realizing the online monitor of the high voltage circuit breaker could judge the reliability and predicate the residual service life at any time, so the potential failure in early time can be found.
实现高压断路器的在线监测，可对设备的可靠性随时作出判断和对设备的剩余寿命作出预测，从而能早期发现潜在的故障。
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