harmonic sequence
英 [hɑːˈmɒnɪk ˈsiːkwəns]
美 [hɑːrˈmɑːnɪk ˈsiːkwəns]
网络 调和数列; 谐波序列; 调和序列; 序列; 和协序列
双语例句
- This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor.
尤其是第三个谐波，这将导致零序电流急剧增加，从而增加了中性线的电流。 - Harmonic and Negative Sequence Analysis of Electric Railway Traction Transformer Access to Electric Power System
电铁牵引变电站接入电力系统谐波和负序分析 - The Estimation of Slow Time-Varying Frequency-Selective MIMO Wireless Channel Based on Harmonic Retrieval of Vector Sequence
基于向量序列谐波恢复的缓时变频率选择性MIMO无线信道的估计方法 - The complexities and models for power system fault analysis, such as harmonic analysis, sequence component analysis, vector analysis, and stability computation, are discussed.
讨论了电力系统故障分析的复杂性及相关模型即谐波分析模型、序分量模型、矢量分析模型和稳定计算模型； - On expressing any positive rational number as sum of different terms of a given subsequence of harmonic sequence, some particular cases are studies.
对于用调和数列的子列表示正有理数的问题，研究了一些特殊情况。 - The DC biasing current has been calculated in detail, which will go through the converter transformer winding in BTB DC system due to unbalance firing and the second harmonic voltage of positive sequence on the AC converter bus.
根据背靠背直流系统的技术特点，详细计算了由于触发不平衡和交流系统正序二次谐波在换流变压器中产生的直流偏磁电流。 - Positive temperature coefficient ( PTC) thermistor and triple frequency harmonic filter can reduce zero sequence voltage when a nonlinear resistance is used to prevent ferroresonance.
在非线性电阻消谐方式下，正温度系数（PTC）热敏电阻和三次谐波滤波器可以较好地解决零序电压偏高的问题。 - Influence Analysis of Unbalanced Harmonic on Three-Phase Negative Sequence Current
不平衡谐波对三相式负序电流滤过器的影响分析 - Harmonic Analysis of Silicon Controlled Rectifier of 6 12-Phase Sequence Control
6/12相顺序控制可控硅整流装置的谐波分析 - Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.
实验结果表明，该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。 - The experimental results reveal that the proposed method based on period-interleaving could overcome the limit of wavelet in the use of harmonic measurement of three-phase asymmetrical system and detect the positive sequence of fundamental frequency, then the total harmonics are detected.
实验结果表明，该周期交错-小波变换算法可以克服单纯小波频带划分的局限性，有效地检测出三相不对称系统中的基波正序及负序电流分离，从而计算出总的有害电流。 - Based on the condition of three-phase balance and by using rule sampling computational method, the harmonic sequence current and line current of the high-tension side injected current into power supply system are obtained.
基于三相平衡条件，采用对称分量法计算，得出高压侧输入电力电网系统的谐波分量电流及线电流； - Application of Modeling in Fault Diagnosis Based on Schroeder Phased Harmonic Sequence
基于多谐差相信号的建模法在故障诊断中的应用 - This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
该控制方法能改善系统电能质量的调节，有效地补偿负荷侧谐波电流、无功功率和负序电流。 - With the agility of software, the set is prepared with over-current differential protection, second harmonic restraint differential protection, and zero sequence protection, overload protection and self-check functions.
利用软件设计的灵活性系统配备了差动过流速断保护、二次谐波制动的比率差动保护、零序保护、过负荷保护功能及装置自检功能。 - In this paper, the basic principles and modeling methods of grey model, harmonic analysis and time sequence analysis are described, and a compound model is presented based on the above three modeling methods.
文章综述了灰色模型、谐波分析和时序分析的基本原理和建模方法，分析了各种模型的适用性与局限性，在此基础上提出了基于上述3种基本建模方法的组合模型法。 - Process Simulation and Application of Electric Power System Harmonic and Negative Phase Sequence
电力系统谐波、负序过程仿真及应用 - It is urgent to detect the harmonic components and the negative sequence components of current accurately and to evaluate the quality of electric energy correctly.
准确检测这些电流分量，正确评价用户电能质量的好坏，已经是非常迫切的问题。 - The FRD analysis software is developed by COM technology, realizing the functions such as FRD database management 、 data formation translation 、 data analysis ( harmonic wave analysis 、 sequence analysis 、 Fault location).
采用了COM框架结构技术开发了故障录波分析软件，实现了录波数据库管理、数据转化、数据分析（谐波分析、序分量分析、故障测距等）以及打印等其它服务功能。 - High-speed Electric Multiple Units ( EMU) is a special kind of power system load, the harmonic and negative sequence which produced in the operation will be injected into the power system through the traction substation, have a certain impact on power quality.
高速动车组是电力系统的一类特殊负荷，其在运行过程中产生的谐波和负序会通过牵引变电站注入到电力系统，对电能质量产生一定的影响。 - Based on the present situation and requirement of traction power supply system in China, the algorithm, program development and engineering applications of harmonic and negative sequence current calculation about electrified railway are studied.
本文从我国牵引供电系统的实际现状和需求出发，系统而深入的分析了牵引供电系统谐波和负序电流的计算方法，并进行了程序开发和工程应用。 - The proposed algorithm is also applicable for the detection of any single harmonic and the extraction of the positive sequence of three-phase wave. ( 2) A PLL-less three-phase detecting method is presented to detect active, reactive and harmonics currents using iteration DFT.
此算法同样适用于任意单次谐波电流的检测和三相基波正序分量的提取。（2）一种基于迭代傅里叶变换的无锁相环三相有功、无功电流检测方法。 - At the same time, the problem of the low electrified railway power factor, high harmonic content, negative sequence and so on are exist, which seriously affected the quality of public electricity grid.
与此同时电气化铁路又存在功率因数低、谐波含量高、负序等问题，严重影响了公用电网的电能质量。 - Theoretical calculation and analysis based on non-collinear phase matching condition show that it comes from the type-I spontaneous parametric down conversion and its second harmonic generation, having the opposite sequence to the colored conical emission rings.
基于非共线位相匹配理论计算和分析表明，这是一个由Ⅰ类自发参量下转换和其倍频过程的级联二阶参量过程，和彩虹圆锥角辐射的级联顺序正好相反。 - The all above parts of this thesis are mutually independent but interrelated, the issue is to accurate the harmonic, reactive and negative sequence current of the short-net.
本文上述的各部分工作既相互独立又相互联系，核心是对短网谐波、无功和负序电流的准确检测。 - Electric locomotive produce large amounts of harmonic and negative sequence current, this current may inject traction power supply system, Cause power quality problems.
电力机车产生大量的谐波和负序电流注入牵引供电系统，导致的牵引供电系统的电能质量下降。 - Reactive power, harmonic and negative sequence have been technical problems for years in traction power supply system of electrified railway. With the development of high-speed and heavy-duty railway, negative sequence problem is more and more prominent.
无功、谐波和负序一直是电气化铁路牵引供电系统存在的技术难题，伴随着高速、重载电气化铁路的发展，负序问题越来越突出。 - The safe operation of power system is always affected by some productions of electrified railway such as harmonic currents, load fluctuation, negative sequence currents.
电气化铁路负荷产生谐波电流、负荷波动、负序电流等问题，影响电力系统的安全运行。 - With the non-linear power electronic devices were put into the electrical network increasingly, in the electrical network has produced a lot of harmonic and negative sequence component and reactive power.
随着非线性电力电子器件日益广泛地投入到电网中，电网中产生了大量的谐波、负序分量和无功功率。