In order to eliminate the influence of non-characteristic harmonic on power network,the non-characteristic harmonic of high power electrolysis rectifier is simulated by PSCAD/EMTDC.
为了消除非特征谐波对电网造成的影响,利用PSCAD/EMTDC仿真软件对大功率电解整流器的非特征谐波进行仿真分析,并结合实际系统参数及运行情况,分析了由整流器交流侧三相电压不对称以及由晶闸管触发不同步而产生的非特征谐波及其规律,并在此基础上提出了抑制非特征谐波的一些措施。
For the problem that the non-integer harmonic cannot be detected by FFT transformation, a non-integer harmonics detection method is implemented by a wavelet based transformation (WT) method.
针对常规快速傅立叶变换无法检测非整次谐波的问题,文章提出了利用小波变换实现检测非整次谐波的方法。
In this paper,thecauses of non-characteristic harmonics are examined through on-site mea-surements and labs experiments;and improvements to reduce the non-charac-teristics in the distribution power supply are also proposed.
本文通过对高阻抗变压器型(TCT型)静止动态无功率补偿装置的现场测试及实验室内同类模型装置的实验测试,验证非特征谐波的产生原因,并针对这些原因提出减少电网非特征谐波的措施。
As a result,converting station may produce a kind of non-characteristic harmonics,when DC transmission is interrupted.
随着高压直流输电的增多及传输容量不断地增大,交流系统强度相对变弱,在直流传输发生扰动时,换流站有可能会产生一种非特征谐波。
The non-characteristic harmonics of a±800 kV UHVDC transmis- sion system are analyzed and calculated with the proposed unified non-characteristic harmonic load flow al- gorithm.
对±800 kV特高压直流输电系统的非特征谐波进行分析可以为特高压换流站交直流侧的滤波器优化设计提供依据,为治理谐波提高电能质量提供参考。
Nonlinear harmonic generation in Shanghai deep ultraviolet FEL;
上海深紫外自由电子激光的非线性谐波辐射研究(英文)
Non-characteristic harmonic analysis of±800 kV UHV DC transmission system based on unified non-characteristic harmonic load flow algorithm
基于非特征谐波潮流统一算法的±800kV特高压直流输电系统非特征谐波分析
Outside-band Character and Application of Coupling and Resonance Band-pass Filter
耦合谐振带通滤波器带外特征及应用
Application of Characteristic Harmonic Method in Welding Torch Attitude Identification
特征谐波法在焊枪姿态检测中的应用
The Third Harmonic Generation in Asymmetrical Quantum Well
非对称量子阱中非线性三次谐波特性研究
The Rank-decision Equality of Singular Value and Eigen Value Decomposition for Harmonics Analysis
奇异值与特征值分解在谐波源定阶中的等价性
Scattering of Microwaves by Non-spherical Raindrops and Hails;
非球形雨滴和冰雹微波散射特征研究
From "Either A or B" to "Both A and B":A Thinking Feature in a Harmonious Society;
从“非此即彼”到“亦此亦彼”——和谐社会的思维特征
A Research on the Feature Extraction and Analysis of EEG Signals Based on Harmonic Wavelet Transform
基于谐波小波变换的脑电信号分析与特征提取研究
non-linear harmonic distortion coefficient
非线性谐波失真系数
Interharmonics are special harmonic in electric power system.
间谐波是电力系统中一种特殊的谐波。
Structure Analysis of Propeller Radiated-noise DEMON Spectrum Feature
基于模型的舰船辐射噪声包络谱谐波族特征结构分析
Research of Gear Fault Feature Extraction and Noise Harmonious Based on Wavelet Transform and Fractal Theory;
基于小波和分形理论的齿轮故障特征提取及噪声的和谐化研究
Comprehensive Evaluation of the Regional Harmonic Pollution Using Genetic Projection Pursuit Model and Eigenvalue Weighted Method;
遗传投影寻踪和特征值赋权法综合评估地区谐波
Research on Harmonic Properties Based Fault Diagnosis Methods of Rotor System Running Up/Down
基于转子启动过程谐波特征的故障诊断方法研究
Further Study on Characteristics of Long-Term and Medium-Term Variations of Geomagnetic Harmonic Wave Amplitude Ratios before Moderate or Strong Earthquakes
地磁谐波振幅比异常特征的进一步研究及定性解释
A Study on Corresponding Relationship between Scattering Wave Characteristics and Heterogeneous Geologic Bodies;
散射波特征与非均匀地质体对应关系研究
The Evolutionary Characteristic and Interaction of Nonlinear Vortex Rossby Waves;
非线性涡旋Rossby波的演变特征及其相互作用
Study on Characteristics of Dispersion and Nonlinearity for Interfacial Waves in Two-layer Fluid;
两层流体界面内波的色散和非线性特征研究