Description: 电机的电压矢量控制方法的仿真，有做电机控制的，尤其是交流电机的，可以看看
-motor voltage vector control method of simulation, so the motor control, in particular the AC motor can see Platform: |
Size: 159744 |
Author:杨逍 |
Hits:
Description: 本系统基于反馈控制思想，由交直流转换电路、DC-DC变换器、步进电路模块和显示模块4个模块电路构成开关稳压电源。交直流转换电路整流部分采用全波桥式整流电路形式，DC-DC变换器以TL494有主核心设计并加上简单滤波电路及RC放电回路所构成的回路控制器。它能把脉冲宽度变化的信号转换成与脉冲宽度成正比变化的直流信号，进而实现闭环单回路控制。由单片机控制
数字定位器X9241的电阻,进而控制输出电压。显示模块由LCD1602构成。
-Based on feedback control of the system of thought, from AC-DC converter circuit, DC-DC converters, stepper circuit module and display module 4 module circuit switching power supply. AC-DC converter circuit using full-wave rectifier part of the circuit form of bridge rectifier, DC-DC converter to TL494 have the main core of the design and add a simple RC filter circuit and discharge circuit posed by the loop controller. It can change the pulse width signals into changes with the pulse width is proportional to the DC signal, and thus realize the closed-loop single-loop control. By the single-chip microcomputer to control the number of locator X9241 resistance, thereby control the output voltage. LCD1602 constituted by the display module. Platform: |
Size: 52224 |
Author:苏永生 |
Hits:
Description: 本系统基于反馈控制思想，由交直流转换电路、DC-DC变换器、步进电路模块和显示模块4个模块电路构成开关稳压电源。交直流转换电路整流部分采用全波桥式整流电路形式，DC-DC变换器以TL494有主核心设计并加上简单滤波电路及RC放电回路所构成的回路控制器。它能把脉冲宽度变化的信号转换成与脉冲宽度成正比变化的直流信号，进而实现闭环单回路控制。由单片机控制
数字定位器X9241的电阻,进而控制输出电压。显示模块由LCD1602构成。
-Based on feedback control of the system of thought, from AC-DC converter circuit, DC-DC converters, stepper circuit module and display module 4 module circuit switching power supply. AC-DC converter circuit using full-wave rectifier part of the circuit form of bridge rectifier, DC-DC converter to TL494 have the main core of the design and add a simple RC filter circuit and discharge circuit posed by the loop controller. It can change the pulse width signals into changes with the pulse width is proportional to the DC signal, and thus realize the closed-loop single-loop control. By the single-chip microcomputer to control the number of locator X9241 resistance, thereby control the output voltage. LCD1602 constituted by the display module. Platform: |
Size: 50176 |
Author:苏永生 |
Hits:
Description: 是用C语言编写的关于用51单片机控制12864液晶LCD的源程序，适用与交流电压及其谐波的显示-Is written in C with a 51 on the MCU control 12864 LCD LCD source, application and the display of AC voltage and its harmonic Platform: |
Size: 6144 |
Author:luoyan |
Hits:
Description: 交直流调速系统与MATLAB仿真 书籍，PDF格式的，将交直流调速技术和MATLAB仿真技术有机结合在一起，主要内容包括直流调速系统及其仿真、直流调速系统的动态设计及其仿真、直流脉宽调速系统及其仿真、交流调压调速系统和串级调速系统及其仿真、交流异步电动机变频调速系统及其仿真、交流异步电动机矢量控制变频调速系统及其仿真、同步电动机调速系统及其仿真。-AC and DC speed control system with the MATLAB simulation of the book, PDF format, will be AC and DC speed control technology and the organic integration of MATLAB simulation technology together, the main features of DC drive system and its simulation, the dynamics of DC drive system design and simulation DC PWM system and its simulation, AC voltage regulation speed control system and cascade speed regulation system and its simulation, the exchange of asynchronous motor VVVF system and its simulation, the exchange of vector control induction motor variable frequency speed regulation system and its simulation, synchronous motor speed control system and its simulation. Platform: |
Size: 8657920 |
Author:吴易 |
Hits:
Description: 使用 HT1632 成功!COM做笔段,OUBIT 做位驱动,只能使用 共阴极 数码管!
使用 HT1632 驱动显示 10 只数码管的显示程序.数码管排列如下:
8.8.8 8.8 -----第一排 显示交流电压999V 显示交流电流99A
8.8.8 8.8 -----第二排 显示直流电压999V 显示直流电流99A- HT1632 successful use! COM pen paragraph do, OUBIT-bit drivers do, can only use a total digital cathode tube! HT1632-driven use of digital tube display 10 of the display program. With digital control are as follows: 8.8.8 8.8----- the first row shows that show the 999V AC voltage AC current 99A 8.8.8 8.8----- second row show the DC voltage 999V DC 99A shows Platform: |
Size: 2048 |
Author:蓝天 |
Hits:
Description: 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。-This switching power supply control by the core as a single-chip AT89S52. AD sampling system, PID control, PWM output, constitute a closed-loop system. AC power input to the rectifier module, after filtering by the rectifier output DC voltage stable. The output DC voltage directly to the IGBT full-bridge converter modules. Precision will be the back-end AD converter output voltage and current signals from the analog signal into a digital quantity to supply the number of single-chip computing PlD, after PID control algorithms, the control module from the output PWM waveform modulation IGBT gate to form a closed-loop system, the control voltage output, in order to achieve switching power supply control system. In addition, by欲得keyboard input voltage from the LCD displays the actual voltage value, user-friendly human-computer interaction. Platform: |
Size: 46080 |
Author:周陶钧 |
Hits:
Description: 设计并制作如图1所示的光伏发电并网系统。图中，采用交流调压器和单相不控整流电路来模拟光伏电池组件；并网逆变器的输出经交流调压器、变压器并入电网。-Design and production as shown in Figure 1 and the photovoltaic power generation system. Map, using the exchange and single-phase voltage regulator does not control rectifier circuit component to simulate the photovoltaic cells and net output by the inverter AC voltage regulator, transformer into the power grid. Platform: |
Size: 1065984 |
Author:雪峰 |
Hits:
Description: 基于PIC单片机的编程实例，内含秒表，数据通信，电机控制，交流电压测量，程序都有详细说明，有原理图-PIC microcontroller-based programming examples, including a stopwatch, data communications, motor control, AC voltage measurement, the program has a detailed description, and schematic diagram Platform: |
Size: 509952 |
Author:SKY |
Hits:
Description: 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 distribution forms the basis for reactive
power optimisation. The technique attempts to utilises fully the reactive power sources in the
system to improve the voltage profile and also to meet the reactive power requirements at the
AC–DC terminals to facilitate the smooth operation of DC links. The method involves successive
solution of steady-state power flows and optimisation of reactive power control variables with
unified power flow controllers using linear programming technique. The proposed method has-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 distribution forms the basis for reactive
power optimisation. The technique attempts to utilises fully the reactive power sources in the
system to improve the voltage profile and also to meet the reactive power requirements at the
AC–DC terminals to facilitate the smooth operation of DC links. The method involves successive
solution of steady-state power flows and optimisation of reactive power control variables with
unified power flow controllers using linear programming technique. The proposed method has
been tested on a real life equivalent 96-bus AC and a two terminal DC system. Platform: |
Size: 470016 |
Author:liuzhaohua |
Hits:
Description: 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 used. The space vector pulse width modulation method and the classical PWM methods, a high utilization rate of DC voltage control is simple, loss of small, easy to realize the advantages of digital programs. In this paper, using TI' s TMS320F2812 DSP motor control chip to achieve SVPWM method. The control speed, high precision, the voltage inverter can produce fewer harmonics and reduce the switching losses. Platform: |
Size: 828416 |
Author:xiliao |
Hits:
Description: 建立简化的高功率因素整流器的开关周期和电源周期的时域平均模型。已知交流电压源有效值为220V，写出相应直流电压源电压以及电路中其他控制参数的具体确定过程，并将两个模型的输出进行对比。-To establish a simplified high-power factor rectifier and power cycle the switching cycle average model in time domain. Effective value of AC voltage source known 220V, write the appropriate DC voltage source voltage, and other control circuits in the process of determining specific parameters, and output of two models were compared. Platform: |
Size: 210944 |
Author:othanda |
Hits:
Description: 基于matlab的电压电流双闭环的三相并网逆变器模型，采用电压外环及电流内环控制方式-Matlab-based dual-loop voltage and current three-phase grid-connected inverter model, the outer voltage loop and inner current loop control Platform: |
Size: 10240 |
Author:cai |
Hits:
Description: 书中详细叙述了各种交流电力托动自动控制系统的工作原理、实现方法、机械特性、运行特点及适用场合,其中包括调压调速、串级调速、变频调速、无换向器电动机调速和矢量变换控制的交流电动机调速系统,重点为变频调速系统。同时也介绍了新型电力电子器件及其控制和驱动电路,并介绍了各种典型变频器产品的技术性能和使用、维护方法。-The book detailed a variety of AC power drag the automatic control system works, method, mechanical properties, operating characteristics and application of occasions, including variable voltage control, cascade control, frequency control, no commutator AC motor speed control system, focusing on motor speed control and vector control for variable speed system. Also introduced new power electronic devices and their control and drive circuits, and all kinds of typical inverter technology performance and use, and maintenance methods. Platform: |
Size: 4052992 |
Author:yyy |
Hits:
Description: Focusing on the passive network, this paper analyzes
the discrete mathematical model and its control strategy of the
passive terminal of the VSC-HVDC system on the basis of the α-β
frame of axes. The method of the functioning-fuzzy-subset
inference is introduced into automatic regulation of the
proportional integral (PI) parameters. Based on the digital signal
processor (DSP), the fuzzy PI control method is adopted and the
VSC-HVDC experiment device is constructed. The experiment of
constant AC voltage control based on fuzzy adaptive PI controller
in transmitting power to passive network via VSC-HVDC system
is developed. Platform: |
Size: 390144 |
Author:Bidyut Hota |
Hits:
Description: 本设计是基于AD637集成芯片的数字交流毫伏表电路设计。该毫伏表以真有效值转换集成芯片AD637为核心，以微控制器（MCU）为量程转换控制，并使用MCU内部十位A/D转换器为模数转换，通过LCD显示，并辅以必要的外围电路设计而成。数字交流毫伏表主要由MCU控制模块、程控放大器模块、真有效值转换模块、电压数字显示模块等组成，测量范围为0-10Vpp，并且能够根据实际交流电压输入完成相应的量程转换功能，同时使用LCD显示电压值。-This design is based on the integrated chip AD637 digital ac millivoltmeter circuit design. The millivoltmeter integrated chip AD637 true RMS conversion as the core, with microcontroller (MCU) for range switching control, and use the MCU internal A/D converter for ten modulus conversion, through the LCD display, supplemented by necessary peripheral circuit design. Digital ac millivoltmeter is mainly composed of MCU control module, a programmable amplifier module, true RMS voltage module, digital display module, etc, the measuring range of 0 to 10 VPP, and be able to complete the corresponding according to actual ac voltage input range switching function, at the same time use the LCD display voltage value.
Platform: |
Size: 50176 |
Author:陈剑明 |
Hits:
Description: 交流电压控制软件，能够有效的控制负载的通电时间，非常使用，节电效果好-AC voltage control can effectively control the power-load time, the use of strong, good effect node Platform: |
Size: 8192 |
Author:刁延禄 |
Hits:
Search - AC voltage control