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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
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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!
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matrix converter-it s an ac to ac converter with unrestriction on frequency,it got the pure sinusoidal and i/p and o/p waveforms-matrix converter-it s an ac to ac converter with unrestriction on frequency,it got the pure sinusoidal and i/p and o/p w
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温度控制设计的仿真图 和程序，可以进行非常好的AD转换，请大家参考-AC conversion simulation diagrams and procedures, can be a very good AD converter, please refer to
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This paper presents the Direct Power Control of
Three-Phase Matrix Converters (DPC-MC) operating as Unified
Power Flow Controllers (UPFC). Since matrix converters allow
direct AC/AC power conversion without intermediate energy
storage link, t
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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
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Independent control of active and reactive power without any needs for extra
compensating equipment.
With PWM, VSC-HVDC o® ers the possibility to control both active and reactive
power independently . While the transmitted active power is k
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Study of output voltages of a matrix converter feeding an five AC - induction Machine
Using the strategy PWM modulation to five intervals
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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
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ADC输入噪声面面观—噪声是利还是弊？所有模数转换器(ADC)都有一定量的“折合到输入端噪声”，可以将其模拟为与无噪声ADC
输入串联的噪声源。折合到输入端噪声与量化噪声不同，后者仅在ADC处理交流信号时出
现。多数情况下，输入噪声越低越好，但在某些情况下，输入噪声实际上有助于实现更高
的分辨率。-ADC input noise Panorama- the noise that the advantages or disadvantages? All analog-to-digita
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Advantage ofconverter_based_facts -controller.
This paper presents the switching-converter-based approach to
Flexible AC Transmission Systems from an application viewpoint. It
is shown that this approach, apart from providing superior performan
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A frequency changer or frequency converter is an electronic device that converts alternating current (AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, that is incidental to its
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On the Causes of Circulating Currents in PWM
Drives With Open-End Winding AC Machines
Phase-Shifting-Transformer-Fed Multimodular
Matrix Converter Operated by a
New Modulation Strategy
An All-DC Offshore Wind Farm With
Series-Connec
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This document described various topologies for ac to ac converter
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During the past decade, Wind energy have attracted interest as a result of the increasing concern about CO2 emissions. The doubly fed induction generators (DFIGs)have been widely used in modern wind energy systems, due
to the advantages of variable
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in this project increases the ac voltage to ac voltage by using the matrix converter with that using the upqc decreases the power quality improvement
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FUEL CELL ELECTRICAL MODEL WITH CONVERTER AND INVERTER IN THIS PDF
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Abstract. The paper presents a squirrel-cage induction machine operating as a generator principally designed for use in small wind and
hydroelectric power stations. The main advantages of such a generator are its high reliability, low price and cos
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In this paper it is presented a detailed descr iption
of the analog implementation of the control for a DC-AC
converter composed by a DC-DC Zeta converter and a low
frequency inverter. Using only analog components, it was
developed the MPPT t
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Converter and Inverter are devices that convert the current from AC to DC and vice versa.
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