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yibudiandongji
- 异步电动机具有非线性、强耦合、多变量的性质，要获得良好的调速性能，必须从其动态模型出发，分析异步电动机的转矩和磁链控制规律，研究高性能异步电动机的调速方案。矢量控制就是基于动态模型的高性能的交流电动机调速系统的控制方案之一。所谓矢量控制，就是通过矢量变换和按转子磁链定向，得到等效直流电动机模型，在按转子磁链定向坐标系中，用直流电动机的方法控制电磁转矩与磁链,然后将转子磁链定向坐标系中的控制量经变换得到三相坐标系的对应量，以实施控制。-Asynchronous motor with nonlin
DCAC-Inverter
- this the inverter model DC-to- AC in order to be used in a simulink model-this is the inverter model DC-to- AC in order to be used in a simulink model
LD7575-DS-04b[1]
- Green-Mode PWM Controller with High-Voltage Start-Up Circuit The LD7575 is a current-mode PWM controller with excellent power-saving operation. It features a highvoltage current source to directly supply the startup current from bulk cap
sat_VSI_06_Pulse
- Six pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.-Six pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation techniqu
sat_VSI_12_Pulse
- Twelve pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.-Twelve pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation te
sat_VSI_24_Pulse
- Twenty Four pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.-Twenty Four pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Mod
sat_VSI_48_Pulse
- Forty Eight pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.-Forty Eight pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Mod
VSI_03Level
- Three level pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Modulation technique.-Three level pulse converter is VSI converter used to convert the DC voltage to AC voltage using Sin Pulse Width Mod
S7-200biancheng
- 模拟电位器 H–2 H.2 怎样使用高速计数器 H–6 H.3 自由通信口模式的简单应用 H–10 H.4 处理脉宽调制 H–13 H.5 可逆电动机起动器电路――适用于改变三相交流感应电动机旋转方向 H–16 H.6 步执行顺序（事件鼓定时器） H–19 H.7 S7-200用自由通信口模式和并行打印机连接 H–23 H.8 通过自由通信口模式接受条形码阅读器的信息 H–27 H.9 集成脉冲输出通
s7-200bcc
- 模拟电位器 H–2 H.2 怎样使用高速计数器 H–6 H.3 自由通信口模式的简单应用 H–10 H.4 处理脉宽调制 H–13 H.5 可逆电动机起动器电路――适用于改变三相交流感应电动机旋转方向 H–16 H.6 步执行顺序（事件鼓定时器） H–19 H.7 S7-200用自由通信口模式和并行打印机连接 H–23 H.8 通过自由通信口模式接受条形码阅读器的信息 H–27 H.9 集成脉冲输出通
2
- 在传统矩阵变换器和多电平逆变器的基础上,提出一种新颖的多电平矩阵变换器,介绍了其拓扑结构和工 作原理.多电平矩阵变换器的能量传递,是通过三相输入电压对中点电容充电到一个恒定直流电压而实现的.选择适 当的控制算法和电容电压,能在变换器的两侧合成低次谐波含量小且波形近似于正弦的可控输入/输出电压.对多电 平矩阵变换器进行建模和仿真,并探讨了其输出能控性. - On the basis of a conventional matrix converter and a multileve
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
SolarHv_DCAC_PiccoloB_Rev_02
- TI的高压太阳能管理程序，带直流转交流，基于piccolo系列单片机-TI s high-voltage solar energy management program with the DC to AC series of microcontrollers based on piccolo
fankuizhendang
- 本程序是基于verilog HDL语言设计的反馈震荡电路的程序。其构成的电路叫振荡电路。能将直流电转换为具有一定频率交流电信号输出的电子电路或装置。种类很多，按振荡激励方式可分为自激振荡器、他激振荡器；按电路结构可分为阻容振荡器、电感电容振荡器、晶体振荡器、音叉振荡器等；按输出波形可分为正弦波、方波、锯齿波等振荡器。-This program is a feedback oscillator circuit design based on Verilog HDL language program
Results-and-discussion
- Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software. Also conducted studies on control methods/ protection requirements as well as distribution on the Delhi-Riha
3-Leg4-Leg-Matrix-Converters-Generalized
- Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software. Also conducted studies on control methods/ protection requirements as well as distribution on the Delhi-Riha
A-Cost-Effective-High-Ef_ciency-Power-Conditioner
- Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software.
Wind_PMSG
- Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software. Also conducted studies on control methods/ protection requirements as well as distribution on the Delhi-Riha
imjepg
- JPEG压缩编码的主要步骤有： 1.通过前向离散余弦变换减少图像数据相关性； 2.利用人眼的视觉特性队DCT系数进行量化； 3.使用查分脉冲编码调制对直流系数进行编码； 4.对交流系数进行Z形扫描，使用形成长度编码队交流系数进行编码； 5.熵编码器对上述描述符进行熵编码。-JPEG compression encoding of the main steps are: 1.forward discrete cosine transform to reduce the im
Three_Phase_ACDCAC_PWMconverter
- 50kW，380V，50HZ的负荷通过AC-DC-AC变换器连接到25kV，60Hz电网上。该电源由两个电压源型变换器和一个直流电容构成。-A 50 kW, 380 V, 50 Hz load is connected to a 25 kV, 60 Hz grid through a AC-DC-AC power supply. This power supply consists of two voltage source converters, VSC1 and VSC2, connecte