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简易谐波分析仪
- 采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle I
app_1602B_lcd_using_sample_c_code
- 本实验以常见的1602B字符型LCD模块为例，介绍该模块的简单使用。1602B可以显示2行16个字符，有8位数据总线D0-D7，和RS、R/W、EN三个控制端口，工作电压为5V，并且带有字符对比度调节和背光。-this experiment common 1602B character LCD module, the module is a simple to use. 1602B shows two line 16 characters, 8-bit data bus D0 - D7, and
PLCi36-III.rar
- PLCi36-III低压电力线载波数据通道芯片（DL/T645-1997/2007协议）,PLCi36-III low-voltage power line carrier data channel chip [DL/T645-1997/2007 Protocol]
PLCi38-III.rar
- PLCi38-III低压电力线载波通信控制芯片（DL/T645-1997/2007协议）,PLCi38-III Low Voltage Power Line Carrier Communication Control chip [DL/T645-1997/2007 Protocol]
leakcu
- 基于 PLC935单片机的三相漏电检测系统，可采集三相线的电压，电流值，并将采集的数值通过485总线返回上位机-PLC935-based single-chip three-phase leakage detection system can collect three-phase line voltage, current value, and acquisition of values through the 485 bus to return to PC
led
- LCD触摸显示屏控制定位系统:LCD触摸屏也变得普及，并逐渐成为当今的主流配置。触摸屏分为电阻、电容、表面声波、红外线扫描和矢量压力传感触摸屏等，其中使用最多的是四线或五线电阻触摸屏。四线电阻触摸屏是由两个透明电阻膜构成的，在它的水平和垂直电阻网上施加电压，就可通过A/D转换面板在触点测量出电压，从而对应出坐标值。-LCD touch screen control positioning system: LCD touch screen has become popular, and has g
Example
- 电压控制程序,符合各种设备需要,核心程序,IBm专属-Voltage control procedures, in line with the needs of a variety of devices, the core program, IBm exclusive
TRY_TOT_3
- 数字电压采集系统，将各种传感器采样得到的0到5V电压值经行AD转换。并将采样值进行LED数码显示。-Digital voltage acquisition system will be sampling a variety of sensors from 0 to 5V voltage conversion by the line AD. Sample values and LED digital display.
ES16-III
- ES16-III 低压电力线载波通信电能数据处理芯片（DL/T645协议）-ES16-III low-voltage power line carrier communication power of data-processing chip [DL/T645 Protocol]
tds220
- 了解示波器，示波器早已成为检测电子线路最有效的工具之一,通过观察线路关键节点的电压电流波形可以直观地检查线路工作是否正常,验证设计是否恰当。-Learn Oscilloscopes, Oscilloscope Detect electronic circuits has become the most effective instrument of one of the key by observing the line voltage and current waveform of the n
DigitalCtrolPower
- 该资料为数控电源程序，基于at89s52的数控电源，输出0到5V,步进0.1V.采用串行AD TLC549和换行DA TLC5615.TLC549用来电压信号采集并在lcd1602上显示设置电压和实际输出电压。-Power of the information for the NC procedure, NC at89s52-based power supply, output 0 to 5V, step 0.1V. Serial AD TLC549 and DA TLC5615.TLC549
ST7538
- 介绍一种最新推出的电力载波调制解调器芯片ST7538的基本原理，给出ST7538的主要控制电路和接口电路，讨论应用该芯片后些注意事项。-In this paper，the power line monitor system with stable performance，good reliability and accurate warning has been designed，in which street light monitoring and controlling and elect
PWM_DA
- 随着电子技术的发展，出现了多种PWM技术，其中包括：相电压控制PWM、脉宽PWM法、随机PWM、SPWM法、线电压控制PWM等，而在镍氢电池智能充电器中采用的脉宽PWM法，它是把每一脉冲宽度均相等的脉冲列作为PWM波形，通过改变脉冲列的周期可以调频，改变脉冲的宽度或占空比可以调压，采用适当控制方法即可使电压与频率协调变化。可以通过调整PWM的周期、PWM的占空比而达到控制充电电流的目的。-With the development of electronic technology, a varie
CRD5463PM_RD2
- CRD5463PM Power Monitor Reference Design and Software The CRD5463PM demonstrates the CS5463 power measurement IC. It has an integrated AC-DC power supply,voltage and current sensors, and isolated UART/USB interface. Working with the GUI softwa
TEA1062
- The TEA1062 and TEA1062A are integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets. They perform electronic switching between dialling and speech. The ICs operate at line voltage
u3vw1x.ZIP
- 矩阵变换器双电压合成策略的非线性补偿法Matrix converter based on two line voltage synthesis strategy of nonlinear compensation method-Matrix converter based on two line voltage synthesis strategy of nonlinear compensation method
pwm_led
- 脉冲宽度调制(PWM)，是英文“Pulse Width Modulation”的缩写，简称脉宽调制，是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术，广泛应用在从测量、通信到功率控制与变换的许多领域中。 随着电子技术的发展，出现了多种PWM技术，其中包括：相电压控制PWM、脉宽PWM法、随机PWM、SPWM法、线电压控制PWM等 本程序是利用PWM进行DA转换控制 -Pulse width modulation (PWM), the abbreviation of
BSP450_IC-ON-LINE[1][1].CN
- BSP450,高速转换，用于电源开关。3脚是TTL电平输入，4脚是工作电压输入，当3脚作用时，4脚与1脚导通。-BSP450, high-speed conversion, for the power switch. 3 is a TTL level input pin, 4 pin is the input voltage, when the role of 3 feet, 4 feet and 1 foot turn.
LineStateDet.pes
- Determines bias voltage at switch on. Must be on-hook and snoop resistors disconnected. Once bias is determined, snoop resistors may read the line voltage. Relative changes in line voltage to bias are used to determine the line state. conta
50HZ---1109---1110
- 250V 30KW大功率逆变程序。先由IGBT升压，然后逆变，三相线电压380v线电压220V。-250V 30KW power inverter program. First by IGBT boost, then the inverter, three-phase line voltage 380v line voltage 220V.