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mianxiang21
- 回顾一个多世纪以来电力工业和电力系统的发展，深感由于经济发展和技术进步带来的巨大变化。上世纪的80～90年代，是电力系统的初创时期。据记载，1882年在美国纽约建成了世界第一个完整的电力系统。这是一个由发电机、电缆和负载组成的直流电力系统。然而由于直流输电系统的局限性，人们转而研究交流输电技术，并在上一个世纪之交，确立了交流输电系统进一步发展和应用的基本取向，从而带来了本世纪交流高电压输电和电力系统的大发展。从本世纪初到60年代末，最高交流输电电压从12.44千伏和60千伏提高到735千伏和76
stm32dianji
- stm32 电机库资料，了解交直流电机控制算法-stm32 Motor database data to understand the AC and DC motor control algorithms
DVP-EH2_manual_sc
- 单桥运行可控硅整流电路导通监视原理分析，交直流的，不是程序，设计参考-SCR to run a single bridge rectifier circuit to monitor the principle of conduction analysis, the AC-DC, not a matter of procedure, design reference
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.
AC-DC_Speed_Control_System_Simulation_with_MATLAB.
- 详细讲述交直流调速在MATLAB之中的仿真模型绘制，并配有细致入微的参数设置！具体详实！-Detailed account of the AC and DC speed control in the MATLAB simulation model among the draw, and with attention to detail parameter setting! Specific and detailed!
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
Smart_meter_design
- 智能万用表设计,能够精确的测量直流电压、交流电压和电阻。测量精度高、抗干扰能力强-Smart meter designed to accurately measure the DC voltage, AC voltage and resistance. High accuracy, strong anti
IEEEgideonhvdc
- IEEE关于HVDC接入弱交流系统的报告，对搞电力的人非常有用-IEEE report on HVDC access weak AC system ，it s useful to the people who engage in powersystem
SINE-16F72
- Sinewave Inverter used for battery power DC to AC conversion applications
A-VSC-HVDC-Fuzzy-Controller-to-Damp-Oscillation-o
- The fast control capability of the VSC-HVDC and the process of area mode oscillations are analyzed. An auxiliary fuzzy logic controller designed in Matlab for the Voltage Source Converter based HVDC transmission system, VSC-HVDC, to improve t
AC-DC-mdl
- 用于实现MATLAB环境下利用simulink实现交直流电的仿真-Used to implement the MATLAB environment simulation simulink AC and DC
How-to-use-Core-Generator-Software-System---(Ch-1
- Most electronic devices require AC power to work correctly because they are designed to be plugged into a standard wall outlet, which supplies AC power. These devices need a specific amount of low, regulated voltage in order to operate. AC power is e
46108421-Sinewave-inverter
- This report focuses on DC to AC power inverters, which aim to efficiently transform a DC power source to a high voltage AC source, similar to power that would be available at an electrical wall outlet. Inverters are used for many applications, as
128705676-InTech-Improved-power-quality-ac-dc-con
- The inter-harmonics are due to the presence of additional frequencies which are non-integral multiples of the mains frequency. Moreover, notching is a periodic voltage disturbance caused by the normal operation of power electronic devices when
SPWM_invertor
- 电能最基本的形态为：DC、AC 四大基本状态转换： DC→AC、DC→DC、AC→DC、AC→AC • 电力电子器件只是工作在两种状态 开通、关断 开通：即工作在高度饱和导通状态 如何利用电力电子器件的开通和关断两种状态实现电能四大基本状态之间的转换就是电力电子学所要研究的核心内容-The most basic form of power: DC, AC Four basic state transitions: DC → AC, DC → DC, AC
13-AC-back-to-DC
- AC back to DC systems and motors
Improving-the-penetration-level-of-PVs-
- This paper proposes the use of a common DC link in residential buildings to allow customers to inject theirsurplus power that otherwise would be limited due to AC power quality violation. The surplus powercan easily be transferred to other phases and
DC-AC
- 针对以删为微处理器的逆变器数字控制系统，本文在深入分析逆变电源 技术理论及实验需求的基础上，对整个硬件系统平台进行了详细的设计，研制 了一台直流输入电压24V，输出电压为AC220V、额定功率600VA的单相正弦 逆变器样机。-For to delete inverter microprocessor digital control system, in-depth analysis of this paper Inverter Theoretical and experime
Matlab24
- inveter modelling ,..DC voltage is converted to AC voltage by help of MOSFET
Analysis-of-HVDC-converters
- 本文基于宁东直流输电工程的实际设备的数据,在PSCAD/EMTDC中建立了包含换流器、换流变压器、直流滤波器、交流滤波器和无功补偿设备、平波电抗器以及直流输电线路的模型,并按照CIGRE直流输电系统基准模型的典型控制方式,建立了初步的直流输电三级控制结构,并分析了控制逻辑中PI环节参数的选择问题：基于BPA仿真模型中的元件模型与参数,在PSCAD/EMTDC中建立了山东电网500kV动态等值之后的交流系统模型,包括发电机、励磁机、调速器、电力系统稳定器、变压器、负荷以及输电线路等设备的模型,利用