• Finally, after each sampling and cleaning sequence the measurementszero point ischecked with a water freeness measurement to make sure the next reading isrepeatable.

    最后完成每次取样净化顺序后,必须借助于游离测量校正测量仪器的零点,以确保可以进行一个读数。

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  • If the student's past due balance does not equal zero, then the sequence skips sending any of the messages in the option combination fragment.

    如果Student逾期平衡等于那么选择项组合碎片中,序列传递任何一消息

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  • Technically speaking, a regular expression is a string (that is, a sequence of characters composed of letters, Numbers, and symbols) that represents a pattern defining zero or more strings.

    从技术角度而言正则表达式表示某种模式字符串(也就是说,由字母数字符号组成字符序列),用于定义更长的字符串。

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  • If absent, or set to zero (expressed as a value of PT0S), it implies that the Sequence will never expire.

    如果没有出现设置为0(表示pt0s),暗示序列永远不会过期

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  • XPath 2.0 introduces the concept of a sequence, which is an ordered list of zero or more values - nodes, integers, strings, and so on.

    XPath 2.0引入了序列概念,序列一种有序列表,可以包含零个多个节点整数字符串等等。

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  • If the argument is an empty sequence, fn: string (seq) will return a zero-length string, but the other function returns an empty sequence.

    如果参数序列fnstring (seq)返回长度为零的字符串一个函数返回空白序列。

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  • Based on perfect sequences and orthogonal sequence sets, a new class of mutually orthogonal sets of zero correlation zone sequences is presented.

    该文基于完备序列正交序列,构造出一类相互正交相关序列集。

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  • The zero sequence directional relay is an important relay component for transmission line.

    功率方向继电器线路保护中的一个重要元件

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  • It mainly focuses on analysis and determining method of zero sequence power direction relay.

    重点介绍功率方向继电器分析判定方法

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  • The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.

    提取暂态电流故障特征作为条件属性信号增强倍数作为决策属性,构成一个决策系统。

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  • This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.

    装置馈电开关漏电保护装置使用附加直流电源原理,在分支馈电开关处的漏电保护装置使用功率方向式保护原理。

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  • This paper analyzes the mechanism of zero sequence voltage generating and its magnification by DVR.

    分析瞬时电压补偿装置(DVR)产生电压及其放大机理

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  • A double lines distance relay based on the zero sequence components is presented.

    提出了适用于平双回线路距离继电器新判据。

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  • General conclusions are extracted and the difference of zero sequence current distribution from classical theory is found.

    最后总结一般性的结论,其中关于电流分布经典理论较大的区别

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  • It is derived that the phase of the FFT for a conjugate-symmetric sequence is zero.

    推导出共轭对称序列的快速付里叶变换FFT具有相位为零特性;

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  • Similar performance can be obtained to some extent with the simpler scheme of no zero sequence component design.

    设计方案效果最大相电流最小化设计方案接近

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  • Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.

    可靠判断检测界内界外毫安电流相间短路故障电流,实现自动切除单相接地故障和相间短路故障。

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  • Positive temperature coefficient (PTC) thermistor and triple frequency harmonic filter can reduce zero sequence voltage when a nonlinear resistance is used to prevent ferroresonance.

    非线性电阻消谐方式下,温度系数(PTC)热敏电阻三次谐波滤波器可以较好地解决电压偏高的问题。

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  • Compared with the previous methods, the Newton-Raphson method is used not only for solving the positive equation, but also the negative and zero sequence equations.

    已有方法相比较方法不仅方程中,而且方程采用牛顿法修正方程。

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  • This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.

    笔者研究换流三角形侧环流短路保护误动作影响

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  • Main functions and characteristic for zero sequence current protection setting program are presented in this paper. Ways of no_balance zero sequence current for double lines are introduced.

    主要介绍电流保护整定计算程序主要功能特点,简要介绍了双回线零序电流的不平衡解决方法

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  • In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.

    典型六相输电系统中,、半故障分量系统阻抗变化影响。

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  • Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.

    基于对称分量理论提出了基于检测序、电流分量电动机保护方法

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  • The zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.

    运用电报方程推导出线-地耦合传输线分量序分量传输线方程。

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  • Used together with SD-LJD (LXK) series ZCT and executing relay to form a complete zero sequence (ground) protection system.

    配合SD - LJD (LXK)系类电流互感器动作继电器即组成完整的零序(接地)保护系统。

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  • Matches a combining character sequence: that is any non-combining character followed by a sequence of zero or more combining characters.

    匹配一个组合字符序列任意非组合字符后跟零个多个组合字符

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  • This paper analyses the existing zero sequence directive current selective leakage protection principle which is to surmount the effect of distributed capacitance on it.

    对近期提出克服电网分布电容影响小电流接地选线直流选择性保护原理作了理论分析

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  • The properties and selection of the zero-phase sequence current transformer core and tripper for GFCI are in detail described.

    详细叙述了漏电开关电流互感器及其铁芯,脱扣器工作特性、材料选用。

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  • The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.

    基本保护采用零序过电压保护,动作时间采用时限特性

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  • The latter makes use of zero sequence voltage detection, alarm and display circuit.

    信号报警显示部分电压检测、报警、显示等电路构成。

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