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ST
- 本程序是基于S变换的短时电能质量扰动检测方法实现的,用于分析电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析-This procedure is based on the S transform short-term power quality disturbance detection method implemented for the analysis of voltage sag magnitude, phase transition, duration, and harmonic
Detection-of-short-duration-power-quality-disturba
- 优秀论文及配套源码。电压暂降是动态电能质量问题中最受关注的热点之一。大量新型电力电子设备的广泛使用对电网电能质量的要求越来越高,而且电压暂降在电网中又具有一定的传播性。因此,无论从电网还是用户都迫切需要对电压暂降进行研究和治理。对电压暂降的检测是解决电压暂降的前提条件,故本论文主要对电压暂降的检测方法进行研究。 本文分析了国内外短时电能质量扰动检测的研究现状,并着重讨论了短路故障、感应电动机启动和变压器激磁三种电压暂降扰动情况下电压暂降的特性;在此基础上选择了基于S变换的短时电能质量扰动检测
A-fuzzy-expert-system
- 本文提出了一种自动检测和电能质量扰动分类模糊专家系统。有关干扰的类型包括电压骤降,骤升,中断,切换瞬变,冲动,闪烁,谐波和缺口。据推测,在所分析的波形采样的形式提供。傅立叶变换和小波分析,利用独特的功能获得的波形一个模糊专家系统为主体的决定有关的干扰类型而设计的。仿真研究,验证了该方法的比较研究人工神经网络为基础的分类方法和该方法研究的准确性也报告,以显示该方法的优点-This paper presents a fuzzy-expert system for automated detectio
modeling-of-upqc
- Unified power quality conditioners (UPQCs) allow the mitigation of voltage and current disturbances that could affect sensitive electrical loads while compensating the load reactive power. This paper deals with unified power quality conditioner (
Reactive-Power-Optimization-matlab
- 程序为改进的遗传算法对配电网无功优化补偿问题。电力系统配电网的无功优化规划是保证配电网安全、经济运行的一项有效手段,是降低网损、提高电压质量的重要措施。-Reactive power optimization is one of the most important control methods to ensure power system operation securely and economically,and an effective measure to improve the v
Flickermeter-
- The voltage fluctuation and the flicker are taken as an important index to judge the power quality in IEC6100-3-7 of the EMC standard and GB12326-2000.
dga1
- In each power utility, a numbers of different tests are conducted for evaluating the quality of transformer oil. The information provided by each measurement and analysis techniques has varying degree of significance towards the identificatio
flick
- 电网电能质量中的电压波动和闪变仿真波形;电网电能质量中的电压波动和闪变仿真波形-Power quality voltage fluctuations and flicker simulation waveforms
MATLAB-Svg
- svg在无功功率和电压波动和闪变以及电网电能质量及谐波抑制的仿真效果-svg, reactive power, voltage fluctuation and flicker, power quality, harmonic suppression
power-quality
- 用matlab编程产生电压暂升、暂降、中断、暂态脉冲和暂态振荡等电能质量信号-L Voltage dips, interrupts, transient pulse and transient oscillation power quality signal using matlab programming
Power-Quality-Generator
- 电力系统谐波发生器的MATLAB函数程序,可以产生各种谐波信号,包括谐波、电压骤升、电压中断、电压骤降、暂态脉冲信号等。-Power system harmonic generator MATLAB function procedures, can produce a variety of harmonic signals, including harmonics, voltage swells, voltage interruptions, voltage dips, transient pu
864-870
- Analysis and Simulation of a D-STATCOM for Voltage Quality Improvement
dyzj
- 基于S变换的短时电能质量扰动检测方法,从S变换的结果S模矩阵及S复矩阵中提取出所需数据并以此来对各种扰动情况下的电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析-Disturbance detection method based on the results of short-term power quality S transform from S Mode S transform matrix and complex matrix S to extract the required d
hlc
- 电能质量检测模块,能检测谐波、频率,以及电压暂升或暂降-Power quality detection module detects harmonics, frequency, and voltage dips temporarily rise or
audio_SNR
- 当信噪比低,小信号输入时噪音严重,在整个音域的声音明显变得浑浊不清,不知发的是什么音,严重影响音质。信噪比的大小是用有用信号功率(或电压)和噪声功率(或电压)比值的对数来表示的。-When the signal to noise ratio is low, serious small signal input noise, the sound of the entire range becomes significantly turbid, I do not know what made the
DVR-12pulse
- MODELLING AND ANALYSIS OF CUSTOM POWER DEVICES FOR MITIGATION OF VOLTAGE SAGS AND SWELLS TO IMPROVE POWER QUALITY)
HHT-matlab
- HHT变换matlab程序 在matlab下运行即可,可以修改各种参数,采样点数,各种电能质量原始信号均由程序所得,可以信号叠加而来。比如电压跌落,谐波,暂时上升,中断等。 例子给出的是 电压暂降。-HHT transform matlab matlab program can be run in, you can modify various parameters, sampling points, a variety of power quality of the original
DVR
- This project deals with modeling and simulation technique of a Dynamic Voltage Restore (DVR).The DVR is a dynamic solution for protection of critical loads from voltage sags / swells. The DVR restores constant load voltage and voltage wave form by in
cpwm
- 容性输出阻抗逆变器,可以用于改变输出阻抗特性,并通过减小高频处输出阻抗,以达到优化输出电压质量的目的。-Capacitive output impedance of the inverter can be used to change the output impedance characteristics, and by reducing the output impedance at high frequencies, in order to optimize the output volt
V2I4_IJERTV2IS4962
- Mitigation Of Voltage Sag And Current Harmonic Elimination Using Reference Signal Generation Method Based On UPQC. This paper proposes a reference signal generation method for the UPQC adopted to compensate both current and voltage quality problems