零序电流保护,zero sequence current protection
1)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。
英文短句/例句
1.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
2.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
3.o8L6UifK}[email protected] K8N/QD?t~N/GD5F_w[[email protected]零序电哩向保护装置
4.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
5.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
6.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。
7.Probe into Proofreading Method of Polarity of Transformer Zero-sequence Differential Protection Current Transformer变压器零序差动保护电流互感器极性校对方法探讨
8.The Improvement And Application of Medium And Small Size Generator Neutral-differential Current Stator Ground Fault Protection中小型发电机零序差流定子接地保护的改进及应用
9.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
10.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
11.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
12.Analysis of the operation of the generator negative current protection impacted on by the electric railway loading电气化铁路负序电流对发电机负序过流保护的影响
prehensive protection equipment for asynchronous motor taking each sequence current as criteria以序电流为判据的电动机多功能保护装置
14.Three-phase AC phase sequence,with lack of protection of the detection circuit三相交流电相序、缺相检测保护电路设计
15.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
16.Fault Analysis on the Abnormally Large Current on the Protection Zero Line of the Circulatory Pump Motor循环泵电动机保护零线上反常大电流的故障分析
17.Analysis of zero-sequence protection resist-operation in 110kV line一起110kV线路零序保护拒动分析
18.Reason Analysis of a 6kV Zero Protection Misoperation一起6kV零序保护误动的原因分析
相关短句/例句
zero-sequence current protection零序电流保护
1.Analysis of malfunction of grounding transformer szero-sequence current protection in 10 kV low resistance grounding system;10kV小电阻接地系统接地变压器零序电流保护误动分析
2.Thezero-sequence current protection is an important means of power system ground protection.零序电流保护是一种重要的接地保护方法。
3.The line protection scheme withzero-sequence current protection and distance protection as the main protection is proposed for the radial system with a single power source during the initial stage of black-start.针对电力系统黑启动过程的特殊要求,提出了其继电保护配置的基本原则;研究了适用于黑启动初期单电源运行方式下以零序电流保护和距离保护为主的线路保护配置方案;在分析不同运行方式下零序故障电流特点的基础上,研究并提出了零序电流保护的整定方法。
3)zero sequence protection零序电流保护
4)fast-tripping zero-sequence current protections零序电流速断保护
1.Aimed at the limitation of the sensitivity of thefast-tripping zero-sequence current protections affected by varieties of system operation conditions and by differences of grounded fault types,this paper presents a feasible design of real-time calculation on system parameters to realize the adaptivefast-tripping zero-sequence current protections.针对传统零序电流速断保护[1]的灵敏度受系统运行方式变化和接地短路类型影响的局限性,提出了实时检测系统参数来实现自适应式零序电流速断保护。
5)adaptive zero-sequence current protection自适应零序电流保护
1.After pointing out the shortcomings of traditional zero-sequence current protection,the paper expounds the basic principles and realization methods ofadaptive zero-sequence current protection,and illustrates that the new protection can enhance sensitivity.指出了传统零序电流保护整定缺点,论述了自适应零序电流保护的实现原理和具体实现方法,并举例说明了自适应零序电流保护具有提高保护灵敏度的优点。
6)directional zero phase sequence current proection零序电流方向保护
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。
