Power quality, Measure, Power quality monitor, Harmonic analysis.
电能质量，测量，电能质量监测，谐波分析。
Regarding 6k locomotive with triple bridge continuous voltage regulation, theoretical analysis and calculation are conducted upon its power factor and harmonic current.
本文针对三段桥连续调压方式的6K机车功率因数和谐波电流进行了理论分析和计算。
A systematic concept for the online measuring and analysis of power network harmonic is presented.
提出了电力网络在线谐波测量分析的新系统构架思想。
Through the analysis to the cause of low voltage reactive compensation invalidation in actual operation, it is proved that the harmonic pollution can affect the reactive power compensation.
通过对实际运行中低压无功补偿失效的原因分析，论证了谐波污染对无功功率补偿的影响；
And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.
该互感器与PC机配合，可完成电力系统的谐波分析、鉴相、功率因数及有功、无功功率的分析计算。
Analysis been made on a 3 months-lasting field test of 6 non-linear utilities in Hubei electric Power Company, using Chint harmonic multi-function electricity meter.
本文采用具有谐波计量功能的多功能三相电能表对湖北省电力公司下属6个非线性用户进行约3个月的挂网试验并进行了数据分析。
An effective method of microcomputer aided detection and frequency analysis of harmonic in power-network is presented.
本文给出了一种应用微机进行电网谐波检测与频谱分析的有效方法。
There have already been many harmonic analysis system solutions for power network, but most of them are based on a single microprocessor.
目前已经存在很多的电网谐波分析系统方案，但其中多数是以单个微处理器为核心的。
The theoretic analysis is accomplished on the circuit topology, principle, harmonic detecting method, control method and circuit designing of Parallel Hybrid Active Power Filter (PHAPF).
其次，文章重点对电容注入方式的并联混合型有源电力滤波器的电路结构、工作原理、谐波检测方法、控制方式、电路设计进行了理论分析。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。
It is the basis of power system harmonic analysis to model power system components at harmonic frequencies.
建立适当的电力系统元件谐波模型是电力系统谐波分析的基础。
Harmonic analysis can be used to quantify the distortion in voltage and current waveforms in a power system and to determine the existence and mitigation of resonant conditions.
通过谐波分析计算可以确定系统中各部分电压和电流波形的畸变程度、判断系统是否处于谐波谐振状态以及如何采取措施减小系统谐振发生的可能性。
Power and industrial equipment engineers incorporate harmonic, vibration and rotary dynamic analysis in designing rotating machinery and components.
电力和工业设备的工程师在旋转机械和器件的设计中纳入了谐振，振动和旋转的动态分析。
The conception of wavelet energy spectrum (WES) is posed by comparing the conservation of total energy in harmonic analysis, power spectrum analysis and wavelet transform.
通过比较傅里叶分析和小波分析中能量守恒公式，提出了小波能量谱的概念。
An improved Hilbert vibration decomposition (HVD) method was introduced to the non-integer harmonic analysis in electrical power system.
针对现有电力系统非整数次谐波分析法的不足，提出了一种改进的希尔伯特振动分解(HVD)方法。
The study of harmonics is a very important topic for electric power quality. Research topics include harmonic source analysis and efforts, measurement technology and elimination strategy.
谐波的研究是电能质量领域的一个重要课题，研究领域包括谐波源分析、检测技术以及消除策略。
Harmonic analysis is very important to determine the harmonic level in the power system. It has become an important aspect of power system analysis and design.
谐波分析已经成为电力系统分析的一个十分重要的方面，用以研究电力系统规划和运行中与谐波有关的各种问题。
Harmonic analysis and elimination system based on hybrid active power filter is proposed in this article to solve the serious problem oi harmonic pollution in power grid.
针对越来越严重的电网谐波污染问题，提出了基于混合有源滤波器的解决方案——电网谐波分析与治理一体化系统。
By using the instantaneous reactive power theory, a kind of improved method in detecting harmonic and fundamental reactive power based on wavelet analysis is (proposed.)
在小波分析的基础上，结合瞬时无功功率理论，提出了一种谐波和基波无功检测的改进方法。
Theoretic analysis and operation results confirm that the filter can resolve the demand of harmonic restraint and reactive power compensation effectively, and has good engineering application effect.
理论分析和现场运行情况表明，该有源滤波器能有效解决实际工况下对电网谐波抑制和无功补偿的需求，具有很好的工程应用效果。
Recently, harmonic analysis is an important area in the electric power system.
目前，电力谐波分析已经成为电力系统领域的一个重要研究方向。
This thesis systematically introduces the methods of measurement and analysis on ship electronic power system harmonic, and gets some conclusions.
本文就船舶电力系统谐波的检测与分析方法做了系统介绍，并得出了一些结论。
The harmonic pollution control is inevitable. In order to detect accurate harmonic content of the power system, the most important problem to solve is harmonic detection and analysis.
谐波治理势在必行，而首要解决的问题就是谐波检测和分析，确切掌握电网中谐波的实际情况。
The results of computer simulation and the application on the electrical power measurement instrument have shown that the method improves the accuracy of the harmonic analysis.
计算机仿真及实际的配电综合测控仪中的应用表明该方法能有效提高测量谐波的准确度。
Computation of harmonic power flow is a fundamental task for harmonic analysis and plays an important part in power system.
谐波潮流计算是谐波分析和管理的一项重要基础工作，在电力系统中占有重要的地位。
The paper arrives at the fundamental domain and harmonic domain model by the analysis of topological structure of HVPQC. The detecting part is the premise of power quality control.
检测环节是进行电能质量治理的前提，高压电能质量综合补偿器的工作性能，很大程度上取决于检测的精度、实时性。
The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters.
研制了PS3谐波测试仪的数据接口，给出了电力滤波器的一般设计方法。
The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters.
研制了PS3谐波测试仪的数据接口，给出了电力滤波器的一般设计方法。
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