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selectiveharmonicelemination1
- Selective harmonic elemination....using pwm-Selective harmonic elemination....using pwm..
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
SHE
- This the simulink model for selective harmonic elimination method for induction motor.-This is the simulink model for selective harmonic elimination method for induction motor.
Study-on-the-Control-Scheme
- 恒频恒压(CVCF)逆变电源的输出电压波形质量是衡量其性能的重要指标之一。文章采用一种重复控制和双闭环控制相结合的电压波形控制策略,以重复控制器提高逆变电源输出电压的稳态精度,减小总谐波畸变率;以双闭环控制器达到较快的动态响应速度。该方案在一台采用TMS320F240 DSP控制芯片的50 Hz三相PWM逆变器上得到验证。-Constant voltage constant frequency (CVCF) Inverter output voltage waveform quality is
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
AMM.mdl
- Pwm and Spwm with injection on the third harmonic very usefull application, just run and have fun!!!
foc-principle
- 空间矢量脉宽调制(SV PWM ) 技术不仅具有 线性调制范围宽、输出谐波小和易于数字化实现 的特点, 而且比常规SPWM 高15 的直流电压利 用率[ 1~ 3 ] , 因而被广泛用于变频器、U PS 、无功补 偿器、有源电力滤波器和储能系统电力变换器等 领域. 对SV PWM 常规算法和快速算法进行分析, 并证明了二者的等效性. 同时, 利用MA TLABö Sim u link 对在不同输入电压参考信号和不同零矢 量分配方式下的调制信号和逆变器输出
power_1phPWM
- DC/DC and DC/AC PWM Converters This demonstration illustrates use of the Universal Bridge and Discrete PWM Pulse Generator blocks. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
power_1phPWM_IGBT
- Single-Phase PWM Inverter This demonstration illustrates use of the IGBT/Diode block in voltage-sourced converters. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
power_3phPWM
- Three-Phase Two-Level PWM Converters This demonstration illustrates use of the Universal Bridge and Discrete PWM Pulse Generator blocks. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
power_3phPWM3level
- Three-Phase Three-Level PWM Converter This demonstration illustrates simulation of a three-phase, three-level inverter and discrete three-phase PWM generator. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT t
256-Shunt-Active-Power-Filter-under-unbalanced-ne
- This paper, focus on the study and design of a shunt active power (APF) filter for the compensation of harmonic currents and reactive power in polluted environment and under unbalanced network voltage. In APF design and control, p-q theory was often
05420961
- In this paper it is presented a detailed descr iption of the analog implementation of the control for a DC-AC converter composed by a DC-DC Zeta converter and a low frequency inverter. Using only analog components, it was developed the MPPT t
24I12-IJAET0112164-Z-SOURCE-INVERTER
- This file about Harmonic Analysis of 3-Level and 5- Level Diode Clamped Multilevel Inverter based on Sinusoidal PWM Control
PWMrectfier
- In this paper, simulation and practical implementation of direct power control is presented for a PWM Rectifier application. The proposed DPC control has several advantages, including the grid current very close to sinusoidal waveforms (TDH <1