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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
DGJZ200502034
- 详细地讨论了空间矢量脉宽调制的基本理论, 介绍了利用的电机控制芯片实现的方法, 给出了实验结果波形。该控制方法速度快、精度高, 在电压型逆变器中能产生更少的谐波并减少开关损耗。-Discussed in detail the space vector pulse width modulation of the basic theory, introduced the use of the motor control chip method, experimental results are gi
TXJS200807094
- 在交流电机变频调速中，脉宽调制技术已经得到了广泛的应用。而空间矢量脉宽调制方法与经典的脉宽调制方法相比，具有直流电压利用率高、控制简单、损耗较小、便于数字化方案实现等优点。文中介绍了利用TI 公司的DSP 电机控制芯片TMS320F2812 实现SVPWM 的方法。该控制方法速度快、精度高，在电压型逆变器中能产生更少的谐波并减少开关损耗。-AC motor speed regulation, pulse-width modulation technology has been widely us
AnAccurateMethodof
- 一种精确测量间谐波的方法，可以准确检测电力系统的信号-An accurate method of measuring inter-harmonics, power system can accurately detect the signal
JIANXIEBO
- 总结了近十年的间谐波研究的方法和一些关键技术-Summarizes the research nearly a decade of inter-harmonics method, and some key technologies
harmonics_square_powersystem
- Harmonics analysis of Square waveform
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
00379970
- HNM document to perform harmonics in noise
wavetrap
- 用matlab语言实现陷波器，达到消除指定频率的谐波的功能-Language with matlab notch filter, to eliminate the function of the specified frequency harmonics
wave-equacion-and-simulacion-of-the-vocal-cord.ra
- SIMULACION OF THW WAVE EQUATION , CAN VARY THE TENSION, LENGHT ANS LINEAL DENSITY OF THE CORD , IS APROXIMATION TO SIMULATE THE VOCAL CORD AND SEE ALL THE HARMONICS. LABVIEW 8.6-SIMULACION OF THW WAVE EQUATION , CAN VARY THE TENSION, LENGHT ANS LINEA
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
5332106643554
- 随着电力电子技术的发展，变频调速异步电机越来越广泛地应用在各种工业领域。而变频调速系统的使用也给电力电子与电气传动学科带来了新的活力和研究课题，本文从变频调速异步电机的设计出发，首先将传统异步电机的设计方法与变频调速异步电机的设计方法进行了比较。指出了传统异步电机设计方法在变频调速异步电机设计中存在的局限性。同时，本文详细而系统地分析了变频调速异步电机中时间谐波和空间谐波的产生机理，论述了时间谐波和空间谐波对异步电机运行性能的影响，以及对异步电机绝缘系统的损害。-Following with t
harmonics
- it is the test to elevate the matlab skills.please answer this and send me the feed back.it is based on general matlab code implementation.
IEC61000-4-7-2009
- IEC61000-4-7-2009 国际的最新谐波和间谐波的标准-IEC61000-4-7-2009 and the latest international standards for harmonics and inter harmonics
ection
- 小波多分辨率算法在电力谐波检测中的应用-Wavelet multi-resolution algorithm in power harmonics detection
Control-Algorithms-of-Active-Power-Filters
- The paper deals with the control methods of the active power ¯ lter with voltage source which can be used for reduction of high harmonics in the supply current. For the correct function of the ¯ lter, it is necessary to determine magnitud
Harmonicmeasurements
- 在labview上提取音频信号的奇次谐波，并计算。-Labview to extract audio signals in the odd harmonics, and calculate.
FFT1
- 利用基2fft计算电力系统谐波的c++源码-Calculated using the base power system harmonics 2fft c++ source code
harmonicseminar
- Seminar to asses the study of a power system in order to dtect methods to decrease the level of harmonics
FFT_CPP
- C++编程的快速傅里叶变换,主要应用在电力系统中谐波的测量和计算中。-C++ programming of the fast Fourier transform, the main applications in the power system harmonics measurement and calculation.