零序保护,zero sequence protection
1)zero sequence protection零序保护
1.Study on the misoperation mechanism ofzero sequence protection of grounding transformer on low resistance grounded 10 kV system;10kV小电阻接地系统接地变压器零序保护误动机理研究
2.It analysed influence and contermeasure of 10 kV neutral point earthing through minute resistance,and put forwards some ways of minute resistance value choice andzero sequence protection allocation.分析10 kV中性点经小电阻接地带来的影响及对策,提出了小电阻阻值选择的一些方法及零序保护的配置。
3.The influence to the bus equivalent zero sequence impendance andzero sequence protection from the different neutral point earthing mode of the transformer s 110 kV side were specifically analyzed.讨论了2台Y0/Y0/Δ接线且无绝缘要求变压器的220kV变电站的变压器中性点几种常见的接地方式,并就变压器110kV侧中性点接地方式对母线等值零序阻抗及零序保护的影响做了具体分析。
英文短句/例句
1.Analysis of zero-sequence protection resist-operation in 110kV line一起110kV线路零序保护拒动分析
2.Reason Analysis of a 6kV Zero Protection Misoperation一起6kV零序保护误动的原因分析
3.Analysis and countermeasure of leapfrog trip in main transformer zero-sequence protection一起主变零序保护越级跳闸事故分析与处理
4.Discussion on Zero Sequence Protection Configurations of 110 kV Transformer after Having Dispatch Authority调度权下放后110kV主变零序保护配置问题的探讨
5.Analysis of A Water Feeding Pump Motor Zero Sequence Protection Malfunctioning Accident一起电厂给水泵电机零序保护事故的分析
6.Cause of Malfunction of Grounding Transformer Zero-sequence Current Protection in 10kV Low Resistance Grounding System10kV小电阻接地系统接地变压器零序保护误动原因分析
7.o8L6UifK}[email protected] K8N/QD?t~N/GD5F_w[[email protected]零序电哩向保护装置
8.Research on inverse time current relay based on the absolute value of zero-sequence power采用零序功率绝对值构成反时限零序电流保护的方案探讨
9.Improvement on Pilot Zero Sequence Directional Protection to Avoid Miss Operation Due to Zero Sequence Weak-infeed and Its Simulation纵联零序方向保护零序弱馈拒动的改进方案及其仿真
10.Zero-Sequence Current Protection Setting Caculation of Line for High-Voltage Power System;高压输电线路零序电流保护的整定计算研究
11.Improvement on Stator Ground Protection Based on Zero-sequence Overvoltage for Large Generator大型发电机零序过电压定子接地保护的改进
12.Zero-sequence mutual inductance on the ground distance elements impact analysis零序互感对线路接地距离保护的影响分析
13.Analyze of Zero Sequence Voltage Protection Scheme for Shunt Capacitor Bank并联电容器零序电压保护的改进方法分析
14.Selection of Zero-sequence Compensation Coefficient for Grounding-fault Distance Protection of 220 kV Feeders220kV馈供线路接地距离保护零序补偿系数选择
15.Influence of Zero Sequence Mutual Inductance on the Pilot Distance Relay in Multi-circuit Transmission Lines同杆线路零序互感对纵联距离保护的影响
16.Adaptive Zero-Sequence Trip Protection in Ground Neutral System大电流接地系统中自适应零序速断保护
17.Abstract: Zero sequence directional power protection is widely used in neutral directly grounded system.文摘:在大电流接地系统中广泛采用着零序功率方向保护。
18.The Influence of Temperature Characteristic of Zero-phase Current Transformer on Capability of Leakage Protective Plugs;零序电流互感器温度特性对漏电保护插头性能的影响
相关短句/例句
zero-sequence protection零序保护
1.Discussion on implementation ofzero-sequence protection for transformer;对变压器零序保护实现方式的探讨
2.The end earth fault of big power source and long line makeszero-sequence protection appearing serious problem that protecting refused to move because the voltage of zero-sequence is low,and become a new difficult point thatzero-sequence protection in practical application.大电源长线路末端接地故障使零序保护出现因零序电压过低而使保护拒动的严重问题,成为零序保护在实际应用中的新难点。
3)zero phase-sequence protection零[相]序保护
4)zero sequence current protection零序电流保护
1.Calculating coverage ofzero sequence current protection based on node impedance matrix;一种基于节点阻抗矩阵快速求取零序电流保护高段保护范围的新方法
2.The grounding current value,fault current feature of the small resistance grounding system and ranges ofzero sequence current protection when grounding transformer is connected to different position are analyzed.介绍了小电阻接地系统的接地变压器接于不同位置时的接地电流值和故障电流的特征,分析了零序电流保护范围的不同。
3.If the constant zero sequence impedance is used to set the current, thezero sequence current protection can not operate correctly.电力电缆的零序阻抗随零序电流的大小而改变,如果采用恒定值的零序阻抗来进行零序电流保护的整定,容易导致保护的不正确动作。
5)zero sequence protection零序电流保护
6)zero-sequence differential protection零序差动保护
1.Scheme design of transformerzero-sequence differential protection;新型变压器零序差动保护方案设计
2.It is necessary to installzero-sequence differential protection because conventional differential protection is not sensitive enough to grounded fault.通过分析变压器传统纵差保护在反映接地故障时灵敏度上的不足,论述了装设零序差动保护的必要性。
延伸阅读
零序电流互感器分子式：CAS号：性质：剩余电流型漏电保护装置的检测元件。其铁心多是环形的。所有电源线(两根、三根或四根)穿过互感器铁心构成互感器的原边；其二次线圈与极化电磁铁或电子线路联接。正常运行时，互感器一次边各线在铁心中产生的磁通互相抵消，二次线圈不产生感应电动势，漏电保护装置不动作；当后方发生漏电或有人触电时，出现剩余电流，二次线圈产生感应电动势，漏电保护装置动作。纯电磁式剩余电流型漏电保护装置的零序电流互感器必须具有很高的灵敏度。其铁心用铁镍合金或非晶态材料制成。
