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tl494_AC_DC.rar
- TL494开关电源充电电路原理图解释和检修方法，可用于实验电源和电动车充电电路,Introduce to TL494 AC-DC Circuit
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
sprc307
- 該系統實現了功率因數校正與 1的C2000™ TMS320F280x數字信號控制器。這是幫助電源設計人員評估如何能夠實現與數字的PFC控制器，可以向他們提供與 /瓦特框架做的PFC他們自己的設計。功率因數校正（PFC）是一個函數，現代電子設計來接受它作為一個現代化的組成部分，交直流前端階段。-This system implements Power Factor Correction with a C2000™ TMS320F280x Digital Signal Cont
inver_power
- 本逆变电源要求能将12V电瓶的直流电源通过该逆变器逆变后，能产生110V 50HZ或60HZ的交流电压，并且能在150W的负载范围内，保证其输出电压稳定在110V±5 的范围内-Requirements of the inverter can supply 12V DC battery through the inverter after the inverter, to produce 110V 50HZ or 60HZ AC voltage, and load in the range 15
MSP430-Using-PWM-Timer-B-as-a-DAC
- This application report describes how to simultaneously create a sine wave, a ramp, and a dc level with pulse-width modulated (PWM) signals from Timer_B on the MSP430 ultralow power family of microcontrollers. PWM signals are often used to crea
PIC-C-source-code-sharing-classic
- 馬達控制器 1上電DC馬達正轉2s 2AC馬達1工作110s 3休息60s 4DC馬達反轉2s 5AC馬達2工作110s 6休息110s 7回到1-Motor Controller 1, turn on the electric DC motor is 2s 2, AC motor 1 working 110s 3, rest 60s 4, DC motor reversal 2s 5, AC motor 2 working 110s 6,
UPS-500W
- UPS-500W的电路图 -Circuit diagram of UPS-500W
Power_Management_Guide
- 此手册指南拥有完备的电源解决方案以及全系列的高性能产品。手册内容有：典型电源应用，数字电源控制解决方案，AC/DC及DC/DC电源产品，嵌入式电源模块，线性稳压器，电池管理产品等等。-This manual has a complete guide to power solutions, as well as a full range of high-performance products. Manual are as follows: a typical power supply appli
OrthogonalTGARCH
- 本文对@:AB及其衍变模型进行了分析和总结，提出了直交门槛一般化自回归条件异方差#< 90 8 17C -D@:AB*模型。通过模型平稳性测试、@:效果检定、@:AB效果检定、模型阶数鉴定、模型参数估计与模型诊断对模型进行 评估，作者认为这种模型在估计投资组合资产收益的波动性上优越@:AB及其衍变模型。 -In this paper, @: AB model and its evolution are analyzed and summed up the proposed DC
081208
- 基于MATLAB软件的交流永磁同步电机调速系统研究 介绍了一种采用磁场定向理论控制交流永磁同步电机的调速系统，应用现代控制理论对 电机直交轴耦合分量进行了解耦，并利用经典控制理论设计了电流环和角速度环调节器。MATLAB 仿真 结果证明了该方法的有效性，但系统调试时仍需根据具体情况适当调整以得到更理想的效果。-MATLAB software based on the exchange of permanent magnet synchronous motor speed contro
motor-run
- 单片机控制电动机的资料大全，本文介绍了交流电机，步进电机，无刷直流电机的闭环控制，给出了软件资料。-Microcontroller to control the motor Sourcebook, this article describes the AC motor, stepper motors, brushless DC motor closed-loop control, given the software information.
wgy
- 无功优化IEEE论文With the increased loading of existing power system, the problem of voltage stability and voltage collapse has become a major concern in power system planning and operation. The dependence of the system voltage profile on reactive power
2009National-contest
- 2009年全国大学生电子设计大赛A题：光伏并网发电模拟装置 ，实现对光伏并网发电模拟装置的原理和结构进行参数的计算与分析，设计并制作了一个设计并制作一个光伏并网发电模拟装置。本系统以ARM7 LM1138为处理核心能实现了用直流稳压电源和电阻模拟光伏电池，经过SPWM和H桥的DC/AC转换，滤波整流成正弦波后再经变压器逆变从而实现模拟并网，系统具有频率、相位采集跟踪功能和电压电流采集功能。-2009 National Undergraduate Electronic Design Contest
PISM
- 在PSIM仿真软件中，对DC/AC，AC/DC，DC/DC做了基本仿真实验，对设计电源的人有一定帮助。-In PSIM simulation software, on the DC/AC, AC/DC, DC/DC made a basic simulation experiments, the power of design to help people who have some.
harr_wavletconvert
- 主要介绍了使用harr小波进行图像压缩的原理和方法。通过使用小波变换，实现DC和AC的区分与解交织。-Introduces harr wavelet for image compression theory and methods. By using wavelet transform, to achieve the distinction between DC, and AC mixed with the solution.
digitalmultimeterprogram
- 51单片机和MC14433实现的多功能程控万用表的程序。此万用表可以测量交流/直流电压/电流，电阻-51 multi-purpose MCU and MC14433 programmable multimeter to achieve the procedure. The multimeter can measure AC/DC voltage/current, resistance
PSPICE
- 电路计算机辅助直流工作点及交流扫描（或暂态）分析 1、熟练运用PSpice软件创建电路、模拟电路、显示或绘制结果； 2、使用该软件进行电路的直流、交流或暂态分析。 -Circuit DC operating point and the exchange of computer-assisted scanning (or transient) analysis of 1, skilled use of PSpice software to create circuits, analog
2007413151619
- system has been virtually created in order to actualize the conversion from DC to AC. The basic components of this are a stabilizer a 6 IGBTs 3 arm bridge, and a Filter LC and a 10KW load. At third, the control circuit, is discussed and has been
TXJS200807094
- 在交流电机变频调速中，脉宽调制技术已经得到了广泛的应用。而空间矢量脉宽调制方法与经典的脉宽调制方法相比，具有直流电压利用率高、控制简单、损耗较小、便于数字化方案实现等优点。文中介绍了利用TI 公司的DSP 电机控制芯片TMS320F2812 实现SVPWM 的方法。该控制方法速度快、精度高，在电压型逆变器中能产生更少的谐波并减少开关损耗。-AC motor speed regulation, pulse-width modulation technology has been widely us
INVERTER
- invereter : it convrts dc to ac also it gives uninterruptable ac supply. this is very very very very useful vhdl code.