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shuangpwmbianhuanqi
- 本文以双Pwm变换器为基础,分析论述了电力电子装置的整流、逆变和回馈状态的国内外发展状况。随着科学技术的发展,电力电子装置的低功率因数和高谐波污染已经成为电网的两大主要危害,因此提高系统功率因数便是电力电子技术的发展趋势,本文阐述了功率因数的定义,脉宽调制的种类以及电压 型PWM变换器的原理、控制方法等内容,比较了脉宽调制的各种类型,详细推导了三相电压型PWM变换器的数学建模,指出系统各种控制方法的优缺点,着重表达了二相调制脉宽空间矢量WPM的算法推导,选用了系统主控芯片,编写了系统软件程序
Periodic_steady-state_response
- 利用周期稳态响应的谐波分析法求解电路的周期稳态响应-The use of periodic steady-state response of harmonic analysis method for solving the circuit the cycle of steady-state response
SPWMmianji
- 在分析现有面积等效方法的基础上,提出了一种面积中心等效法。按面积中心等效法合成的波形与传统的面积等效法合成的波形相比,其基波分量增大,低次谐波分量明显改善。我们参加09年国赛光伏并网发电模拟装置就是采用本方法产生SPWM波,效果很好。-In the analysis of the existing methods based on the equivalent area, a space center to follow. Follow by space center synthetic wav
labview
- 电能质量中谐波的测量方法。电能质量监测与分析系统的设计与实现。-Harmonic power quality measurement method. Power Quality Monitoring and Analysis System Design and Implementation.
wavelet
- 使用小波分析算法,在matlab环境下,对信号进行分解,分析各次谐波-Using wavelet analysis, in the matlab environment, the signal decomposition analysis of the harmonic
p61
- 晶闸管六脉波整流,用与大功率电源谐波分析-six pulse converter
FFT_DIT2
- FFT_DIT2谐波分析程序,FFT_DIT2谐波分析程序-Harmonic analysis program FFT_DIT2
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
wave
- 对电力系统谐波进行了分析和仿真.仿真效果好,可以直接使用-The power system harmonics analysis and simulation. Simulation results, and can be used directly
FFTxiebofenxi
- 快速傅里叶变换,可用于谐波分析等算法,用 C++编译-Fast Fourier transform, harmonic analysis method can be used with C++ compiler
work
- fft求电压电流信号的频谱,可用于谐波分析-get frequce by fft
PWM-and-filter-design
- 三电平载波PWM谐波分析及LCL滤波器设计-Three-level PWM carrier harmonic analysis and LCL filter design
harmonic-analysis-based-on-matlab
- 包括基于MATLAB的谐波实时检测方法,谐波分析,谐波抑制仿真的研究-Including MATLAB-based real-time detection method of harmonic, harmonic analysis, harmonic suppression simulation study
chazhi
- matlab 一次插值 谐波分析 汉宁和哈明窗两种方法 -matlab time interpolation and harmonic analysis Hanning window are two ways to Benjamin
arm_shaangu_v16
- 校准模拟量通道 添加TCP/IP协议版 添加傅立叶变换板 添加启动录波 添加故障录波 SCADA通信 二次谐波分析 处理直流信号 PID调节模块 -Calibrate the analog channel to add TCP/IP protocol version of the Fourier transform plate add add add fault recorder starts recording wave analysis of second harmonic SCADA
567890.ZIP
- SVPWM调制下逆变器输出电压谐波分析SVPWM modulation inverter output voltage harmonic analysis-SVPWM modulation inverter output voltage harmonic analysis
collection-sample-program
- pic18f458单片机 电流,电压信号采集,有功,无功,谐波分析,液晶显示-Current and voltage signal acquisition, reactive active harmonic analysis, liquid crystal display
cd4ef1.ZIP
- 多电平逆变器多载波调制策略的谐波分析Multi level inverter multi carrier modulation strategy for harmonic analysis-Multi level inverter multi carrier modulation strategy for harmonic analysis
Chapter-5-ANSYS
- 模态分析,谐波分析(谐响应分析),瞬态动力分析在Ansys中的用法。-Modal analysis, harmonic analysis (harmonic response analyzes), transient dynamic analysis in Ansys usage.
fengsu
- 针对davenport风速,用谐波分析法进行风速时程和风载模拟-Davenport on wind, the harmonic analysis method with wind speed schedule and wind load simulation