1)power harmonic电力谐波
1.The design of a AP electric power harmonic analysis device;一种通用电力谐波分析装置的设计
2.Wide attention in the whole world is attracted to the operation characteristics and possible problems of Three Gorges power system, such as power harmonic and system stability.三峡电力系统作为中国最大，也是世界上大型电网之一，具有机组容量大，交、直流混合输电以及运行方式灵活等特点，其运行特性以及可能存在的电力谐波、系统稳定性等一系列问题是人们广泛关注的课题。
3.Its operation characteristics and possible problems, such as power harmonic and system stability, are widely studied in the whole world.其运行特性以及可能存在的电力谐波、系统稳定性等一系列问题是人们广泛关注的课题。
英文短句/例句
1.Using 8 Bit SCP to Measure Power Harmonics on Line用8位单片机实现电力谐波在线测量
2.Interharmonics are special harmonic in electric power system.间谐波是电力系统中一种特殊的谐波。
3.Research on Application of Harmonic and Inter-harmonic Wavelet Transform to the Harmonic Analysis of Power System;谐波小波在电力系统（间）谐波检测中的应用研究
4.The Influence of Harmonics to Cost of Electricityand the Research on Harmonics Electricity Tariff;谐波对电力成本的影响及谐波电价研究
5.Harmonic Analysis Approach in Power System and Harmonic Modeling of Electric Loads电力系统的谐波分析算法及负荷谐波建模
6.Harmonic and inter-harmonic detection method based on neighboring spectral offsetting and windowed TDA in two stages一种新的电力系统谐波间谐波两步检测法
7.Measurement of Interharmonics in Power Systems Based on Wavelet Transform;基于小波算法的电力系统间谐波测量
8.The Research on Harmonics Detection Method of Active Power Filter;有源电力滤波器谐波检测方法的研究
9.Application of Active Power Filter to Compensate Harmonics;有源电力滤波器在谐波治理中的应用
10.Harmonic analysis of power system using wavelet packet transform基于小波包变换的电力系统谐波分析
11.Simulation of Harmonic Suppression for Power System of Marine Electric Propulsion;电力推进船舶电网谐波抑制仿真研究
12.The Harmonic Characteristic Study of Wind Farm Containing Doubly-fed Wind Generator含双馈风力发电机的风电场谐波分析
13.Electrical Power System Overtone to Electrical Energy Measurement Impact Analysis电力系统谐波对电能计量的影响分析
14.Application of wavelet transform in active power filter harmonic analysis小波变换在有源电力滤波器谐波分析中的应用
15.Detecting Method for Harmonics and Reactive Currents in Active Power Filter有源电力滤波器谐波及无功电流的检测
16.A Study on Intelligent Detection and Control Approaches of Distortion Currents for Active Power Filters;有源电力滤波器谐波电流智能测控方法研究
17.Study on the Detection Approaches of Harmonic Currents and Simulation for the Active Power Filters;有源电力滤波器谐波电流检测方法与仿真研究
18.The Research on Harmonic Prediction and Control Method of Active Power Filter有源电力滤波器谐波电流预测与控制方法研究
相关短句/例句
power harmonics电力谐波
1.Analysis and discussion of power harmonics influencing the electric energy computation电力谐波对电能计量影响的分析与探讨
2.Analyze the influence on the energy of power harmonics,propose the reasonable energy metering mode,and develop the harmonics energy metering and analysis device based on virtual instrument technology.本文分析了电力谐波对电能计量的影响,提出了在谐波状态下合理的电能计量模式,并开发了采用虚拟仪器技术研制的谐波电能计量与分析装置,介绍了装置的原理、结构、特点。
3.However, the extensive use of non-linear load has brought about severe power harmonics pollution, deeply impacting the safe, stable and efficient operation of the system and power-supply and the electronic equipment.随着科学技术的进步，各种新型的用电设备在社会的各个领域得到的广泛的使用，由于设备运行所要求的高安全性和精确性，对电能的使用和需求产生了更高的要求，但非线性负荷大量使用却带来了严重的电力谐波污染，给系统安全、稳定、高效运行和供用电设备造成严重影响及危害。
3)Power System Harmonic Meter电力谐波表
1.Study on Fast and Accurate Spectrum Analyzing Algorithm for Power System Harmonic Meter;电力谐波表快速精确算法研究
4)power system harmonics电力系统谐波
1.Comparison between interpolating windwed FFT algorithm and wavelet transformer algorithm on the application of power system harmonics detection;电力系统谐波检测的FFT加窗插值算法与小波分析方法的比较
2.Element Modeling and System Simulation for Power System Harmonics;电力系统谐波分析的元件模型和系统仿真
3.Power System Harmonics; TCR; Harmonics Modeling; Switching function; Harmonic analysis; Harmonic power flow demonstrate the algorithm and performance of the proposed method.因此对电力系统谐波进行研究具有比较现实的意义。
5)Power system harmonic电力系统谐波
1.The electric energy metering influence connection mode,test procedure and test result in real time digital simulation(RTDS) system are introduced,and also including the different influences situation of electric energy metering under power system harmonic wave,and the reasonable and proper electric energy metering modes are provided.分析电力系统谐波对感应式电能表和电子式电能表的电能计量准确性及合理性的影响,介绍谐波对电能计量误差影响的RTDS仿真试验的接线方式、仿真模型、具体试验步骤和试验结果,认为:不同电力系统谐波对电能计量具有不同影响;分别计量负荷消耗的基波电能和谐波电能是较合理的电能计量方式。
6)suppression for power harmonie电力谐波治理
延伸阅读
电力牵引高次谐波电力牵引高次谐波harmonics of electric traction d Ionl一qlony旧gooe}x{ebo电j]牵引高次谐波(harmonies of eleetrietraction)整流式交流电力机车在整流过程中将引起交流侧电流、电压波形畸变，按傅立叶级数分析该畸变波形可分解成频率为基波频率整数倍的一系列高次谐波分量的叠加。 高次谐波电流、电压可引起下列不良影响: (1)对通信线产生杂音干扰影响; (2)引起电力系统中其他电力电容器设备的过负荷; (3)当电气化铁路负荷某次谐波电流频率与电力系统自身谐振频率相近时，可产生电流谐振，使该次谐波电流在电力系统中放大，危及电力系统安全运行; (4)使旋转电机、变压器、电力电缆的出力减少并产生过热，影响电气设备寿命; (5)造成继电保护误动或仪表读数误差; (6)使半导体开关元件换相失灵。 为限制谙波的危害，各国都规定了允许谐波含量的标准(见供电质童)。 为降低电力牵引负荷产生的谐波，在电力牵引变电所和电力机车中可装设由电容、电感组成的谐波吸收装置。交流一直流一交流电力机车利用电力电子技术，可实现低谐波分量的负荷特性，使谐波含量降低。
