搜索资源列表
HighConvert_Pwm
- 1.本文对一种高效的升压式PWM 变换电路作了分析研究 对开关状态的切换效率高 采用双零软开关工作，大大降低了开关损耗, 提 高了电路的转换效率. 2.该电路在高频的开关电源、逆变器等电力电子电路上有很大的实用价值, 可以提高电路的转换效率. -1. In this paper, an efficient step-up PWM conversion circuit analysis study on the switch to switch the state of high effi
Svpwm
- 使用TMS320F2812生成SVPWM的演示程序，该程序为硬件法SVPWM控制，减小开关损耗。程序在上海交大TI实验室自制评估版测试通过。运行需要TI官方外设库。-SVPWM generation using TMS320F2812 demonstration program SVPWM control method for the hardware, reducing the switching losses. National Chiao Tung University in Shangh
datasheet_5
- IGBTs were first introduced as a combination of the bipolar junction transistor (BJT) and the metal oxide semiconductor field effect transistor (MOSFET) technology. The IGBT is to prefer in medium high voltage segments (600- 3000V) rather than
DGJZ200502034
- 详细地讨论了空间矢量脉宽调制的基本理论, 介绍了利用的电机控制芯片实现的方法, 给出了实验结果波形。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。-Discussed in detail the space vector pulse width modulation of the basic theory, introduced the use of the motor control chip method, experimental results are gi
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
MCUSimilate_1.2
- 一个用于单片机内运行的微内核，有像ucOS样的基于优先级的任务调度。但是没有使用其实时抢夺，我是等待一个高任务级运行完了才等到其他的任务运行。当前任务不可抢夺。这样就不用考虑到任务切换带来的损耗了。还有我用了一个内存分配机制，可以动态分配和释放内存块。这些都是在VC6.0上的测试示例，但使用者可以用到任意一款单片机开发上面。所有代码都在VC6.0和XC2287M上测试过了。-One for the microcontroller to run the micro-kernel, there is
multilevel_losses
- This a MATLAB Simulation for obtaining conduction and switching losses in Three-Phase OHSW(optimized harmonic stepped wafeform) cascaded 9-level inverter.The simulation has been done in several SUBSYSTEMS.The first one produces switching functions ba
05164758
- Switching Losses and Harmonic Currents Evaluation of PWM Techniques for VSI-Fed Dual Stator Induction Motor Drive dsp
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-
intlevbkcon
- The voltage stress across all the active switches is half of the input voltage before turn-on or after turn-off when the operating duty is below 50 , the capacitive discharging and switching losses can be reduced considerably. It has a highe
four-step
- 在PSPICE环境先进行矩阵变换器的四步换流的仿真，同时对各个开关进行开关损耗的分析！-PSPICE environment in the first matrix converter commutation four-step simulation, as well as to analyze the switching losses of the switches!
Direct-torque-control
- 随着异步电机开始在交流调速领域占统治地位，针对高性能异步电机的调速系统 研究得到广泛关注。特别是 20 世纪 80 年代直接转矩控制（DTC）的出现，以其简洁高 效的控制方式，进一步提高异步电机的性能。但传统 DTC 存在转矩和磁链滞环宽度使 得稳态时也会产生转矩脉动。因此高性能控制需要窄的滞环宽度,相应要求高逆变器开 关频率。大功率场合下必须低开关损耗和良好转矩控制性能，传统 DTC 难以同时满足 需求。 -With the beginning of the AC in
Optimal-Reconfiguration-of-Distribution
- Power distribution systems have tie and sectionalizing switches whose states determine the configuration of the network. Reconfiguration of distribution network is achieved through switching operation switches of distribution network branches.
digital-simulation-of-zvs
- This paper presents digital simulation of ZVS half bridge DC to DC converter with modified PWM control. The switching losses are reduced by using soft switching. Conventional and duty cycle shifted PWM DC to DC converters are simulated using ma
kaiguanzhanjiankong
- 为了减少这种损失并保证开关站的安全运行，必须有一套先进可靠的智能安全防范联网集中监控预警系统；该系统必须能够随时随地观察到开关站内设备及其内部环境的情况，必须能及时地发出预防性报警，通知有关人员采取措施，防止事故发生。-In order to reduce such losses and ensure the safe operation of the switching station, must have advanced and reliable intelligent security
TPEL
- This paper presents a high efficiency positive buck boost converter with mode select circuits and feed forward techniques. Four power transistors producemore conduction andmore switching losses when the positive buck boost converter operates in
30_MODELLING
- Variable speed drives with Pulse Width Modulation are increasingly applied in many new industrial applications for more efficient performance. Recently, developments in power electronics and semiconductor technology have lead to widespread use of p