零序电流,zero sequence current
1)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。
英文短句/例句
1.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
2.A method of single-phase grounded feeder detection in indirectly earthed power system based on judging the change of zero-sequence current ratios基于零序电流比值变化的小电流接地选线方法
3.Fault line selection device for non-solid earthed network based on transient zero-sequence current features基于暂态零序电流特征的小电流接地选线装置
4.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
5.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。
6.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
7.Characteristics of Zero-sequence Current Filtrator for Overhead Feeder in 10 kV Distribution Networks10kV配电网架空出线零序电流过滤器的特性
8.A Study of Negtive and Zero Sequences Current Compensated and Controlled in Transmission Lines Operated in Two Phases;输电线路非全相运行时负序零序电流的补偿控制研究
9.A Novel Direction Element Based on Transformer Neutral Zero Sequence Current基于变压器中性点零序电流的方向元件
10.The Study of the Measurement of the Zero-Sequence Current for High-Resistance Grounded Distribution System;中性点经高阻接地方式下配电网零序电流测量的研究
11.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
12.Principle Analysis and Algorithm Achievement about Selecting the Ground Wire Based on Power Component of Zero-sequence Current基于零序电流有功分量的接地选线原理分析及算法实现
13.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
14.Key words: low current earth electrical network, transient earth fault, zero-sequence energy, energy variation.关键词：小电流接地电网，间歇性电弧接地故障，零序能量，能量变化。
15.o8L6UifK}[email protected] K8N/QD?t~N/GD5F_w[[email protected]零序电哩向保护装置
16.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。
17.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
18.Zero-sequence Current in Direct Drive Variable-speed Constant-frequency Wind Energy Conversion Systems直驱型变速恒频风力发电系统中零序环流的研究
相关短句/例句
zero-sequence current零序电流
parative analysis onzero-sequence current of Y,y_(no)and D,y_(n11)transformers;Y,y_(n0)型与D,y_(n11)型配电变压器零序电流比较分析
2.Analysis of transient process ofzero-sequence current during single-phase reclosure;单相重合闸过程中的零序电流暂态过程分析
3.Polarity check ofzero-sequence current and voltage based on microcomputer protection;基于微机保护的零序电压与零序电流的极性判定
3)zero order current零序电流
1.Starting with the traits of zero order impedance and the relationship betweenzero order current and zero order impedance,analyzes the main differences of electric traits of power cables and aerial lines and the disadvantages of applying power cables into the traditional grounded protection.从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手,分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。
2.On the basis of analyzing the law of variation of thezero order current, the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.在对中性点不接地系统单相接地故障情况下零序电流、零序电压以及零序功率的变化规律做了认真分析的基础上,提出了采用3个判据同时判断的故障选线三合一综合判据原理,这个综合判据可以大大提高接地选线的准确率,具有一定的推广利用价值。
4)zero sequence transient currents零序态电流
5)zero phase sequence current零相序电流
6)negative-and zero-sequence currents负序与零序电流
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。
