1) directional comparison pilot protection
方向纵联保护
1.
It is concluded that only starting right when fault occurs,directional comparison pilot protection based on transient can discriminate reliably fault in zone.
在简述基于中值滤波的暂态量方向元件原理与算法的基础上,分别研究了双端方向元件性能上的相互配合问题和两端闭锁信号传送的相互配合问题,结果表明只要故障时保护正确启动,基于暂态量的方向纵联保护能够可靠地区分区内外故障。
2) pilot protection
纵联方向保护
1.
Influence of zero-sequence mutual inductance to pilot protection in parallel lines;
相邻线路零序互感对线路零序纵联方向保护的影响
3) pilot zero sequence directional protection
纵联零序方向保护
1.
Operational experiences indicate that when a high resistance ground fault occurs on one of two parallel double-circuit lines under the strong-magnetic and weak-current operation condition,the pilot zero sequence directional protection of the non-fault line may mal-function while the pilot negative sequence directional protection will not.
通过实例分析说明平行双回线路在强磁弱电联系运行方式下,一回线路末端发生高阻接地故障时,非故障线路纵联零序方向保护会误动,而纵联负序方向保护不会误动,提出在使用纵联零序方向保护切除高阻接地故障的保护装置中,增加纵联负序方向保护,退出纵联零序方向保护以防止误动的发生,并讨论了纵联负序方向保护新方案,方案增加负序电抗继电器和负序电流、电压闭锁,并带小延时动作,从而确保平行线之一故障时,非故障线路纵联负序方向保护不会误动,而故障线路发生高阻接地故障时,纵联负序方向保护能带小延时可靠切除故障。
4) pilot negative sequence directional protection
纵联负序方向保护
1.
Operational experiences indicate that when a high resistance ground fault occurs on one of two parallel double-circuit lines under the strong-magnetic and weak-current operation condition,the pilot zero sequence directional protection of the non-fault line may mal-function while the pilot negative sequence directional protection will not.
通过实例分析说明平行双回线路在强磁弱电联系运行方式下,一回线路末端发生高阻接地故障时,非故障线路纵联零序方向保护会误动,而纵联负序方向保护不会误动,提出在使用纵联零序方向保护切除高阻接地故障的保护装置中,增加纵联负序方向保护,退出纵联零序方向保护以防止误动的发生,并讨论了纵联负序方向保护新方案,方案增加负序电抗继电器和负序电流、电压闭锁,并带小延时动作,从而确保平行线之一故障时,非故障线路纵联负序方向保护不会误动,而故障线路发生高阻接地故障时,纵联负序方向保护能带小延时可靠切除故障。
5) same directional negative sequence relay
同序负序方向纵联保护
6) negative sequence directional pilot protection
负序方向纵联保护
1.
To eliminate the influence of distributed capacitance on negative sequence directional pilot protection,the authors propose a Bergeron model based accurate compensation algorithm.
为消除特高压输电线路中分布电容对负序方向纵联保护的影响,文章提出一种基于贝瑞隆模型的精确补偿算法。
补充资料：方向
①指东、南、西、北等：在山里迷失了～。②正对的位置；前进的目标：军队朝渡口的～行进。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条