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基于dsp的svpwm变频器的研制
- 文章提出了一种基于空间矢量的PWM 算法的全数字化变频器,简要介绍了利用tms320lf2407进行空间矢量脉宽调制的理论。-article presents a space vector PWM algorithm for the all-digital converter, briefed the use tms320lf2407 space vector PWM theory.
pwm1
- 用于大家的PWM的控制，以及对要求较高的AD转换的场合。-for everyone PWM control, and the higher the AD converter occasions.
dainlu
- 此开关稳压电源由AT89S52单片机作为控制核心。系统包括AD采样，PID控制，PWM输出，构成闭环系统。交流电源输入到整流模块，经整流滤波后输出平稳的直流电压。该直流电压直接输出至IGBT全桥变换器模块。高精度AD转换器将后端输出的电压电流信号由模拟信号量变为数字量供给单片机进行数字PlD运算，经过PID控制运算后，由控制模块输出PWM调制波形至IGBT栅极，构成一个闭环系统，控制电压稳定输出，从而实现开关稳压电源控制系统。此外，可由键盘输入欲得电压值，从LCD显示实际电压值，人机交互界面友好
ZVZCSFullbridgePWMConverter
- ZVZCS Full bridge PWM Converter 软开关逆变器 -ZVZCS Full bridge PWM Converter
1
- 摘要：基于单片机的数控开关电源是利用单片机实现对开关电源的输出电压设定、输出电压步进调整、输出电压和输出电流显示等数字控制。本文设计的数控开关电源由两部分组成。开关电源部分采用基于PWM控制的不对称半桥功率变换器，由模拟控制芯片KA3525产生PWM信号经驱动电路实现对功率变换电路的输出电压控制，实现电压的稳定输出。数控部分采用凌阳单片机的D/A输出对KA3525的误差比较器的参考端进行数字给定，实现对输出电压的设定、步进调整和显示等功能。文中给出了系统设计框图，对各部分电路进行了分析，并给出了
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
cmsboost
- pwm sliding mode contol f dc dc converter
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
UC3843
- Descr iption The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a
1451-48691001057S
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
cospiacd
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
JPtpenov95p680
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
IEEE14
- Independent control of active and reactive power without any needs for extra compensating equipment. With PWM, VSC-HVDC o® ers the possibility to control both active and reactive power independently . While the transmitted active power is k
PWM-Voltage-converter--PRESENTATION
- Introduction to pulse width modulation voltage converter using space vector method{Hassan A.Salbi}
Using-PWM-Output-as-a-Digital-to-Analog-Converter
- Using PWM Output as a Digital-to-Analog Converter on a TMS320C240 DSP
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
Direct-Power-Control-of-PWM-Converter
- Direct Power Control of PWM Converter Without Power-Source Voltage Sensors
dSPACE Based Implementation of PID Controller for Buck Converter
- In this paper output voltage of chosen buck DC – DC converter is regulated at nominal output voltage of 13 volts under [1] under supply disturbance of 20 to 25 volt and vice versa [2] under load disturbance of 28 to 50 ohms and vice versa. The perfor