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- 本系统是一个以c5051f020单片机为控制核心的简易电能质量监测装置。它能准确的完成同时对一路工频交流电的频率、电压有效值、电流有效值、有功功率、无功功率、功率因数和谐波等进行测量的数字式电能质量监测装置。-The system is a c5051f020 simple microcontroller to control the core power quality monitoring devices. It can accurately complete all the way wh
PWMConverterandControlStrat
- 在理 论 分 析与仿真的基础上，本文对上述三种控制策略进行了实验研究，设计了控制系统的硬件电路和DSP程序。实验结果给出了三种控制方法下的稳态波形与电流谐波分析，系统动态响应波形和双重化结构谐波抑制的验证。实验结果与理论分析吻合，表明一定控制下的PWM 变流器具有较好的稳态与动态工作性能，适用于大功率风力发电应用场合。-In the theoretical analysis and simulation based on this article on the above three contr
FFT_for_f430-A
- 一种适合在单片机上运行的快速傅里叶算法，大量采用查表方法。理解这个算法对实现电力谐波分析很有帮助。fft算法的经典应用，需要一定的数学知识！-Fit on a single chip running at the fast Fourier algorithm, a large number of look-up table method used. Understanding of this algorithm to achieve useful power harmonic analysis.
FFTonthepowersystemharmonicdetectionresearchquesti
- 关于电力系统FFT谐波检测存在问题的研究-FFT on the power system harmonic detection research questions exist
EasyArm1138
- 这是一个基于EasyARM1138开发板的项目，实现的是对电网中谐波信号的远程监控。-This is a development board based on EasyARM1138 project is the realization of the power grid in remote monitoring and control of harmonic signals.
harmonicwave
- 用一片ARM芯片，对电网中的谐波信号进行采集，然后通过GPRS发送给上位机，上位机对采集到的电网中的谐波信号进行分析。以确定电网中谐波的情况。-With an ARM chip, the harmonics of the grid signal acquisition, and then sent to the GPRS PC, PC to the power grid of the collection of harmonic signal analysis. To determine the
ATT7022Bfunction
- ATT7022B的中文版技术资料；该芯片能测量电压、电流、电能、功率因数及谐波分析等多种参数。-ATT7022B Chinese version of the technical information The chip can measure voltage, current, power, power factor and harmonic analysis, a variety of parameters.
AD7890-4
- 8通道12位串行A/D转换器。其主要性能特征包括：A/D转换时间较快(9.5μs)（100k） 功耗较低(最大50 mW，体眠状态下75μW) 信噪比较高(大于70 dB) 总谐波失真小(不大于-78 dB) 内置跟踪/保持放大器，片上参考电压 具有高速、灵活的串行接口等。-8-Channel 12-Bit Serial A/D converter. Its main performance characteristics include: A/D conversion time fast (9
434MHzLoopAntenna(AN3401)
- This application note shows the typical impedance values for small loops and suggests matching networks for these impedances. It demonstrates the effectiveness of these networks in suppressing harmonics of the transmitted frequency. Most transmitt
Sensorless_Control_Strategies_for_PWM
- Methods for limitation and elimination of disturbances and harmonic pollution in the power system have been widely investigated. This problem rapidly intensifies with the increasing amount of electronic equipment (computers, radio set, printers, TV
TDA2030
- TDA2030是许多电脑有源音箱所采用的HI-FI 功放集成块。它接法简单，价格实惠。额定功率为14W。电源电压为±6～±18V。 输出电流大，谐波失真和交越失真小（±14V/4欧姆，THD=0.5 ）。具有优良的短路和过热保护电路。其接法分单电源和双 电源两种。pdf中均有两种接法的原理图并附有pcb布局-TDA2030 is active in many computer speakers used HI-FI amplifier integrated block. It is co
diannengzhiliang
- 基于arm和linux的电能质量的检测 包括有功 无功 功率因数 和谐波检测-Linux on arm and power quality testing, including active and reactive power factor and harmonic detection
har-eli
- Harmonic elimination is carried out by using upfc in power system
Improving-the-Active-Power-Filter-Performance
- Abstract—In this paper a current reference generation method for a voltage source shunt active power filter is examined. The proposed method improves the harmonic filtering by compensating the delays in the system. In stationary operating poi
materials(1)
- HARMONIC IN POWER SYSTEM
STATCOM--main-circuit-device-design
- 电力系统中要求电压稳定度和无功功率满足一定的技术指标，利用带独立直流电源的级 联式多电平逆变器和多电平逆变器最优化谐波台阶式调制技术(OHSW)设计的STATCOM装置， 可以使电力系统中的电压得到稳定以及无功功率和谐波得到有效补偿。本文主要介绍了STAT- COM装置主电路的设计，主电路是STATCOM装置与系统进行交换有功功率与无功功率的环节。 该装置具有输出谐波含量低、损耗小、性能可靠等优点。-Requirements of power system voltage sta
a-three-phase-AC--DC-converter
- 提出了一种三相交流/直流变换器实现功率因数修正,谐波抑制，直流链电压调节, 以及直流侧中点电压补偿。-Proposed a three-phase AC/DC converter to achieve power factor correction, harmonic suppression, DC link voltage regulator, and the DC side midpoint voltage compensation.
cd4ef1.ZIP
- 利用电能质量谐波分析处理串联电抗器故障的应用Use of power quality harmonic analysis application of series reactor fault-Use of power quality harmonic analysis application of series reactor fault
Active-power-filter
- 有源电力滤波器，用于实现无功治理与谐波补偿，精度很高-Active power filter for reactive power control and harmonic compensation, high accuracy
harmonic-analysis
- 快速傅立叶变换存在较大的误差, 无法直接用于电力 系统谐波分析。本文对 FFT 的泄漏误差进行了分析, 根据 Jain 和Grandke 提出的插值算法提出了多项余弦窗插值的 新算法, 对 FFT 的结果进行修正, 极大地提高了计算精度, 使之适用于电力系统的准确谐波分析。 文中给出了该算法进 行谐波分析模拟计算的算例, 计算结果表明, 不同的加窗算 法计算精度不同, 新算法的计算精度显著提高-Fast Fourier transform is a larger err