说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> 零序态电流 1)  zero sequence transient currents 零序态电流 2)  transient zero-sequence current 暂态零序电流 1. Research on faulty line identification in distribution systems based on the frequency-band energy of transient zero-sequence current; 基于暂态零序电流频带能量的配电系统接地选线方法研究 2. The zero-sequence angle-frequency characteristic of the lines are studied based on it and the characteristics of transient zero-sequence current in different frequency ba. 根据这一特点,对小电流接地系统中线路的零序参数相频特性进行研究,得出系统发生单相接地故障时不同频带上暂态零序电流特性。 3. The paper studies the charactersistic of transient zero-sequence current on single-phase reclosing and its influence upon Fourier algorithm and Fourier plus difference algorithm. 研究了单相重合闸过程中暂态零序电流的特征及其对傅氏算法和傅氏加差分算法的影响。 3)  transient zero sequence current 暂态零序电流 1. Its algorithm integrates two comparing criteria:the amplitude of transient zero sequence current within the feature band and that of lower-frequency active components. 装置算法基于自适应捕捉特征频带内的暂态零序电流幅值与零序电流低频有功分量幅值比较的综合选线原理。 4)  zero sequence current 零序电流 1. The paper Presents the principle of selective leakage protection based on zero 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 of zero 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 instantaneous zero sequence current protections of transmission lines,a feasible method for realizing the adaptive instantaneous zero 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。 5)  zero-sequence current 零序电流 1. Comparative analysis on zero-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 of zero-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 of zero-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 6)  zero order current 零序电流 1. Starting with the traits of zero order impedance and the relationship between zero 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 the zero 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。 补充资料：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。 说明：补充资料仅用于学习参考，请勿用于其它任何用途。 参考词条 ©2011 dictall.com