搜索资源列表
intelligent-digital-multimeter
- 本文介绍一种基于AT89S51单片机的智能型数字式多用表,该系统采用MC14433——3 1/2位A/D转换器和LED数码显示，可以测量直流电压、交流电压、直流电流和电阻，并且具有键盘选择测量对象、量程和自动量程转换功能。-This paper introduces an AT89S51 microcontroller-based intelligent digital multimeter, the system uses the MC14433- 3 1/2 bit A/D convert
V-Ideshixianfangfa
- 数控直流电流源中V-I转换电路的实现方法的讨论-VI NC DC current source converter circuit implementation discussion
digital-voltmeter
- 数字电压表是诸多数字化仪表的核心与基础，电压表的数字化是将连续的模拟量如直流电压转换成不连续的离散的数字形式并加以显示，这有别于传统的以指针加刻度盘进行读数的方法，避免了读数的误差和视觉疲劳。目前数字万用表的内部核心部件是A/D转换器，转换器的精度很大程度上影响着数字万用表的准确度.-Digital voltmeter is the core of many digital instrument with the digital voltmeter based, is a analog quan
shukongdianyayuan
- 本设计以AT89S52单片机为核心控制芯片，实现数控直流电源功能的方案。设计采用8位精度的DA转换器DAC0832、三端可调稳压器LM350和一个UA741运算放大器构成稳压源，实现了输出电压范围为0V～+9.9V，电压步进0.1V的数控稳压电源，最大纹波只有10mV，具有较高的精度与稳定性。-The design AT89S52 microcontroller as the core control chip, digital DC power supply features program.
up
- 升压变换器 用于将输入的直流电压升高至输出 -Boost converter is used to input pressure to output DC
shujidianyabiao
- 本课题是利用单片机设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码管显示，使用的元器件数目较少。外界电压模拟量输入到A/D转换部分的输入端，通过ADC0832转换变为数字信号，输送给单片机。然后由单片机给数码管数字信号，控制其发光，从而显示数字。此外，本文还讨论了设计过程中的所用的软件硬件环境，调试所出现的问题等。-The issue is the use of a single-chip digital voltmeter designed to measure the 0-5V
Tuned-statcom-for-voltage-control-a-reactive-powe
- In this paper Static Synchronous Compensator (STATCOM) is used for voltage stability and the compensation of reactive power. The STATCOM contains an Insulated Gate Bipolar Transistor (IGBT) based voltage source converter for voltage control a
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
1xy7z.ZIP
- 用于驱动无刷直流电机的矩阵变换器控制策略For driving brushless DC motor control strategy of matrix converter-For driving brushless DC motor control strategy of matrix converter
u3vw1x.ZIP
- 双端口多功能交_直流双PWM变流器控制策略Dual port _ multifunctional AC DC dual PWM converter control strategy-Dual port _ multifunctional AC DC dual PWM converter control strategy
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
PWM-PID-motor
- 运用PID调节器，实现直流电机在带动负载的情况下也能稳定的运行。运用A/D转换芯片将滑动变阻器的模拟电压转换为数字量作为控制直流电机速度的给定值；用压控振荡器模拟直流电机的运行（电压高-转速高-脉冲多），单片机在单位时间内对脉冲计数作为电机速度的检测值；应用数字PID模型作单片机控制编程，其中P、I、D参数可按键输入并用LED数码显示；单片机PWM调宽输出作为输出值，开关驱动、电子滤波控制模拟电机（压控振荡器）实现对直流电机的PID调压调速功能。-Use of the PID controlle
ADC
- 使用MSP430G2231 LANUCHPAD的PWM输出、低通滤波器和比较器制作一个A/D转换器。 要求： 不得使用MSP430 自带的A/D转换器； A/D转换结果的变化趋势通过开发板的红灯和绿灯表示，红灯亮表示采集信号减小，绿灯亮表示采集信号增大；A/D转换结果可通过查看变量观察，也可其他方式。 分辨力：0.01V，量程：0~2V（直流信号，电位器分压产生）；-Use MSP430G2231 PWM output low-pass filter and comparator
PSCAD421
- pscad 有 风场模块，变流模块，直流电机，永磁电机模块-pscad wind field module, the converter module, DC motor, permanent magnet motor module
SINE_INV_A-RAHMAN
- sinewave inverter technology for domestic battery power dc to ac converter
AssignmentSharp5
- A battery of 100V dc is to feed an inductive load (R = 10 ohms, L = 100 mH) with a variable dc supply from 10 - 100 V by means of a step-down converter (dc chopper) operating at a fixed switching frequency of 100 Hz. The dc chopper is composed of an