零序,zero sequence
1)zero sequence零序
1.Analysis of longitudinalzero sequence direction protection misoperation and its countermeasures;纵联零序方向保护误动原因分析及其对策
2.Protection against earth short-circuit of responding negative sequence component andzero sequence component of power network;反应电网负序和零序量的接地短路保护
3.The varying relationship between the unbalance and the lagging phase of the negative sequence from the positive is compared according to the various values of thezero sequence.本文讨论了电力系统电压不平衡度的几种工程近似计算方法,对在零序分量取值不同情况下的不平衡度随正、负序分量相位差变化的规律进行了比较,分析了影响各种算法精度和误差的因素,指出各种算法的适用范围。
英文短句/例句
1.o8L6UifK}[email protected] K8N/QD?t~N/GD5F_w[[email protected]零序电哩向保护装置
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.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
4.An ordinal number indicating an initial point or origin.零序数中表示最初的点或原点
5.Study of Making Zero Sequence Current in Distribution Networks with Two Phases Current Transformers;两相TA配电网零序电流构造方法研究
6.Research and Development of Zero-sequence Filter Using Zig-zag Transformer曲折移相型非谐振零序滤波器的研发
7.Measurement and research of the zero sequence impedance of the 500 kV transmission line500kV输电线路零序阻抗的测量及研究
8.Analysis of zero-sequence protection resist-operation in 110kV line一起110kV线路零序保护拒动分析
9.Reason Analysis of a 6kV Zero Protection Misoperation一起6kV零序保护误动的原因分析
10.Simulink Simulation of Zero Sequence Power Line Selection Algorithm of Underground NUS井下NUS的零序功率选线算法的Simulink仿真
11.Also interference with telephone circuit is reduced because of the absence of zero-sequence currents.由于无零序电流,对电话线路干扰的影响也降低。
12.Study on Zero-sequence Distributed Parameter Live Line Measurement of Transmission Lines with Mutual Inductance互感输电线路零序分布参数带电测量方法研究
13.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
14.Study and Experiment of Zero-sequence Mutual Inductance Parameter Measurement of Transmission Line;输电线路零序互感测量方法的研究与实验
puter part programming计算机零件程序编制
16.CONDITIONS OF DECIDING ADJACENT TWO SPARES ORDER FOR A KIND OF SEQUENCING PROBLEMS一类计划排序问题确定相邻两零件次序的条件
17.Design of Part Shaped ““非汉字符号””Working Procedure and Structure of Bend Molding Die;““非汉字符号””形零件工序设计及镦弯模
18.Automobile accessory development order based on AHP基于AHP方法的汽车零部件发展序列
相关短句/例句
zero-sequence零序
1.Analysis and countermeasure of leapfrog trip in main transformerzero-sequence protection一起主变零序保护越级跳闸事故分析与处理
2.It proves that the operation ofzero-sequence current protection only depends on the load current and has nothing to do with the fault position,when the wire break fault happens on the 110kV transmission line in a defined network configuration.针对我局110kV某线路单相断线故障,通过理论公式的推导,证明了网络结构确定的110kV线路发生单相断线故障时,其零序电流保护动作情况只取决于当时的负荷电流大小,与断线位置无关。
3)zero sequence零[相]序，零序
4)zero sequence voltage零序电压
1.The relation involves modulation signal and space vector,zero sequence voltage and redundancy vector and so on.全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系,包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。
2.Based on the analysis of the characteristics of open phase operational state, a novel open phase protection scheme utilizing thezero sequence voltage of the terminal and the negative sequ.在分析非全相运行状态特点的基础上,提出了一种基于Powerformer机端零序电压和定子绕组负序电流的非全相运行保护方案。
3.From analyzing the shape of the wave of the zero sequence current andzero sequence voltage,we acquire which phase fails.MATLAB是对系统进行仿真,通过零序电流和零序电压的波形对系统进行分析,从而得到哪相发生故障。
5)zero sequence current零序电流
1.The paper Presents the principle of selective leakage protection based onzero sequence current direction.文中阐述了基于零序电流方向选择性漏电保护的工作原理,介绍了以单片机80C196KB为核心,通过相敏整流的方法来判断零序电流方向的实施方案,具有抗干扰性能好,实施电路简单的优点。
2.This paper analyzes the basic principle of Sel587 differential protection device and elaborates the influence ofzero sequence current .分析SEL587差动保护装置的基本原理,阐述零序电流的影响。
3.In order to reduce influences of varieties of operation conditions of power systems and differences of grounded fault type on the protecting range of the instantaneouszero sequence current protections of transmission lines,a feasible method for realizing the adaptive instantaneouszero sequence current protections was put forward.为了尽可能减小线路零序电流速断保护的保护范围受系统运行方式变化等因素的影响,提出了一种自适应零序电流速断保护的实现方法。
6)zero sequence power零序功率
1.Method of fault line selection based onzero sequence power;零序功率选线方法的研究
2.On the basis of analyzing the problems existed in the existing leakage protective equipment,the selective leakage protective system for mine low-voltage electric network taking DSP processor as core and based onzero sequence power direction is presented in this paper.在分析现有漏电保护装置存在问题的基础上,提出一种以DSP处理器为核心的基于零序功率方向的矿井低压电网选择性漏电保护系统,并重点讨论了该系统的工作原理、硬件结构、软件设计。
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。
