零序电流增量,zero sequence current incremental
1)zero sequence current incremental零序电流增量
1.In the respect of line selection,the writer submits specific program to improve thezero sequence current incremental method,relying on high-speed acquisition card used in general controller of industrial computer.结合项目研发的工控机通用控制器所采用的高速采集卡,提出用于选线技术的改进零序电流增量法的具体实现方案,使消弧线圈在快速补偿电容电流与选线两方面都能取得良好效果。
2)measurement of zero-sequence current零序电流测量
英文短句/例句
1.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
2.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
3.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
4.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
5.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。
6.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
7.Object Oriented Optimal Control Method for Three-Level PWM Rectifier by Zero-Sequence Voltage Injection基于零序分量注入的三电平PWM整流器目标优化控制
8.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
9.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
10.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
11.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
12.quantity galvanometer测量电荷量的电流计
13.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。
14.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
15.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
16.Zero-Sequence Signal of Space Vector Modulation for Three-Level Neutral-Point-Clamped Inverter Based on Vector Diagram Partition基于矢量分区的三电平SVPWM模式零序分量分析
17.Research on Forecast Method of Current Zero-cross Points for Controlled Fault Interruption故障电流相控分断电流零点预测算法的研究
18.Study on Fault Location Based on Neural Network Modelling and Zero-sequence DC Principle基于神经网络建模的零序直流原理测距研究
相关短句/例句
measurement of zero-sequence current零序电流测量
3)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。
4)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
5)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。
6)zero sequence transient component current零序暂态分量电流
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。
