搜索资源列表
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
PWM--matlab
- 三相PWM整流器电压空间矢量控制的实现。看看大家有没有需要的 -Three-phase PWM rectifier voltage space vector control is achieved. There is no need to look at all the
nannvshengshibie
- 本文通过对男性和女性声音的语音特征的研究,发现男女声的基音频率存在较大的差异,并设计了基于基音频率分析的男女声识别系统。男女声识别系统由以下三个模块电路构成:话筒放大器,低通滤波器,半波整流电路,单片机测量控制模块。话筒放大器采用NE5532P音前置芯片,对语音信号进行放大;八阶低通滤波器MAX293完成基音信号的提取;单片机STC12C5410AD实现频率测量和控制输出功能。经仿真与电路实测,男女声的识别效果良好。-In this paper, the voices of male and f
neimokongz
- 基于内模控制的三相电压型PWM整流器不平衡控制策略研究,提供了不平衡状态下PWM整流器模型-Internal model control based on the three-phase voltage-type PWM rectifier control strategy for unbalanced study provides a PWM rectifier under unbalanced model
PWMconverters
- PWM Rectifier control
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
VectorControlofPWMrectifier
- PWM整流器的矢量控制 研究了基于同步旋转坐标系的PWM 整流器矢量控制方案. 经PARK变换,PWM 整流器的三相静止坐 标系模型可以变换成两相旋转坐标系下模型,由两相旋转坐标系模型可以得到PWM 整流器的矢量控制方 案. 实验结果证明方案与分析是正确的.-Vector Control of PWM rectifier synchronous rotating coordinate system based on the PWM rectifier vector control pro
softwarephaselockedloop
- 在电网电压频率波动或者三相不平衡的情况下,硬件锁相很难准确检测到基波正序的相位。在结合PWM整流器空间矢量解耦控制算法的基础上,将软件锁相环技术应用在PWM整流器控制系统中,并用仿真和实验验证了该方案的可行性。实验结果表明,该方案解决了电网电压频率波动及三相不平衡时的相位同步等问题,并在工程上具有一定参考价值。-Frequency or voltage fluctuations in three-phase unbalanced case, the hardware lock is diffic
sanxiangqiang
- 主要讲了三相桥式全控整流电路的设计,其中用到了microsoft visio,protel,MATLAB,并进行了详细分析-Main told the three-phase bridge type all control the rectifier circuit design, including the use of the Microsoft visio, protel, MATLAB, and carried on the detailed analysis
irmck201
- International Rectifier’s Electrical Machine Control IC chip .
Home-security-alarm-system-
- 本论文设计了由AT89C52单片机为控制核心,用红外线为监测装置的防盗报警系统。该系统中红外对管作为红外线的发射和接收部分。发射部分采用红外发光二极管,而使用光敏三极管作为接收部分,接收红外发光二极管发出的红外线(不可见光)。单片机将通过内部的软件系统检测到接收管的导通或截止状态,并根据检测到的信号状态,进行判断并输出报警信号, 直至按复位按钮或电源开关。声光报警信号由9014三极管驱动构成声光报警电路,进行声光同时报警。电源部分采用变压器将220V交流市经变压器降压,桥式整流器整流,电解
fullbridge_double_frequency
- 建立了单相的PWM整流器电路闭环控制的仿真模型。版本R2007-The simulation model of the closed-loop control of single-phase PWM rectifier circuit. Version R2007
01216591
- This paper deals with digital control of a series active filter integrated with a diode rectifier where the series active fdter is controlled to function as a current source. A predictive current regulator is considered for the series ac-
2_P-Q_control
- the simulation has been done on the PSCAD platform.the active power control and the reactive power control has been demonstrated in the simulation for a hvdc system at both the rectifier and the inverter ends.
Rectifier
- Oshir control on dcs processor tms320f2812
1
- 电力电子行业,变频器或者整流器用到的三电平控制算法,极具参考价值 -Three-level control algorithm used by the power electronics industry, inverter or rectifier, great reference value
(Renesas-Electronics)
- BLDC motor control is required to understand the motor rotor position and steering mechanism of rectifier. For the closed-loop speed control, there are two additional requirements, namely for the rotor speed \ / or motor current and PWM signals were
Speed-Control-of-DC-Motors-and-Controlled-Rectifi
- Speed Control of DC Motors and Controlled Rectifier DC Drives
Thyristor-rectifier
- 毕业论文,针对晶闸管三相全控桥式整流电路的主拓扑和调节器进行了设计,主拓扑滤波电路采用了L型滤波器。设计了基于电流模式的双闭环控制系统,并采用工程设计法实现了两个调节器参数的设计,并给出了电流调节器和电压调节器详细的设计过程。-The design of full-bridge control rectifier circuit and controller were studied .The output voltage ripple was inhibited by the L-Filter
sanxiangqinkong
- 三相全控整流电路主电路图,对大家应该会有和好的帮助,(Main circuit diagram of three-phase full control rectifier circuit)