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SEMIN0RREPORTMURALI
- circuits, design of three phase 12 pulse converter. it is very useful for improving the power factor.-circuits, design of three phase 12 pulse converter. it is very useful for improving the power factor.
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
deadtime
- ，通过对87C196MC单 片机及波形发生器(WFG)的深入研究分析，提出 了一种通过调整死区时间生成DC／DC变换器 PWM控制脉冲的新方法。该-Through 87C196MC SCM and Waveform Generator (WFG) in-depth analysis, a dead time generated by adjusting the DC/DC converter PWM control pulse of the new method. That
pwm
- 整个系统以CPLD为核心逻辑控制器件，配以外围测试及试验电路：显示、时钟信号产生电路、蜂鸣器电路和ByteBlaster的数据变换电路，构成正负脉宽数控调制信号发生器。基于CPLD逻辑控制器件构成的正负脉宽数控调制信号发生器是一个单片系统,整个PWM信号控制所需的各种功能都可由CPLD来实现。-The entire system to the core logic control CPLD devices, together with the external test and the test
Sine_PWM_Inverter
- sine-PWM inverter, In this simulation, we will study Sine-∆ Pulse Width Modulation (PWM) technique. We will use the SEMIKRON® IGBT Flexible Power Converter for this purpose.-sine-PWM inverter, In this simulation, we will study Sine-∆ P
00460
- Abstract: Randomized modulation is of increasing interest in power electronics and also holds promise for reducing filtering requirements in ac/ac, dc/dc converter application and reducing acoustic noise in motor drive applications. This paper
PWM-Voltage-converter--PRESENTATION
- Introduction to pulse width modulation voltage converter using space vector method{Hassan A.Salbi}
ReaserchOf2MWDFIGSystem
- 在2 MW 双馈风电变流器的开发过程中，电磁暂态仿真是验证控制策略和制定相关技术参数的重要手段。建立 了2 MW 双馈风力发电系统电磁暂态仿真模型，介绍了电压空间矢量脉宽调制（SVPWM）技术在PSCAD/EMTDC 的 实现方法，真实反映了变流器的动态开关过程和谐波特性。另对网侧变流器的软件锁相环（SPLL）进行了优化设计， 使之能快速、准确地跟踪电网基波正序电压，有助于改善网侧变流器在电网不对称故障期间的动态控制性能。-2 MW doubly-fed wind power con
zsmli
- pulse width modulation technique for power electronic converter
DQ-Reference-Frame-Theory
- Pulse Width Modulation (PWM), Shunt Active Power Filter (SAPF), Voltage Source Converter (VSC).
MULTIPULSE-CONVERTERS
- This paper discusses the impact of using 3-phase and multipules converter circuit commonly found in unity power factor at input AC mains and regulates output voltage.3-phase thyristor rectifiers have been used in industries for obtaining a variable
buck
- 用matlab对Buck电路进行了仿真,简单直接可用，BUCK电路就是一种DC-DC转换器，简单的讲就是通过震荡电路将一直流电压转变为一高频电源，然后通过脉冲变压器、整流滤波回路输出需要的直流电压，类似于开关电源(The BUCK circuit is a kind of DC-DC converter, which is simply to convert a DC voltage to a high frequency power supply through a concussion ci