电源电压

Thereinto,the measuring circuit is composed of heating circuit, voltage follower circuit, warning circuit, gas sensor failure indication circuit and power supply indication circuit;The microprocessor adopts 8051 Single - Chip computer;The LED adopts Seven LED figures display;The keyboard adopts separate type non-coding keyboard.

其中测量电路由加热电路、电压输出电路、报警电路、气敏元件损坏指示电路和电源指示电路组成；微处理器采用8051单片机；LED显示采用七段LED数码显示器；键盘采用的是独立式非编码键盘。

This series of generating set is an perfect combination of our newly-developed TFDW4 single-phase brushless synchronons generator and Such outatanding gasoline engines as YAMAHA made in Japan, which appears small in size, light in weight, easy to start, low in fuel conswmption and noise production with a stable voltage and frequency output.

本系列发电机组，是我公司新一代TFDW4单相无刷发电机与日本雅马哈等名牌发动机完美的结合，稳定的电压和频率输出及体积小、重量轻、起动方便、油耗低、噪音低等特点，充分地体现了高性能、高质量发电机组所应具备的要素，是银行、小型餐厅、娱乐场所、家庭及牧场的理想电源。

The pulse power supply consists of three-phase half-wave thyristor rectifier and IGBT chopping circuit.

该电源采用三相半波晶闸管整流电路，IGBT进行直流斩波；根据电流电压反馈信号计算偏差，进行数字PI调节获得恒流、恒压输出特性；控制系统通过20mA电流环异步串行通讯接口与人机界面交换数据。

With the merits of space vector modulation: digitized control,harmonic decrease,high ratio of voltage used,fast dynamic response and so on,and at the same time deadbeat and DSP control is introduced, as well as two-loop control of the system,we gained power factor is near unit and current THD is well below 10% in our digitized arc welding power system.

基于空间矢量脉冲宽度调制技术的易于数字化、可降低谐波、电压利用率高、动态响应快等特点，引入无差拍思想、总体系统的双环控制思想和DSP控制，实现了功率因数为1，电流谐波畸变远小于10％弧焊电源系统的数字化。

The high-voltage power supply includes an output unit having a primary winding connected in parallel with a capacitor and a secondary winding inducing a voltage by current flowing in the primary winding.

该高压电源包括输出单元，其具有与电容器并联连接的初级绕组、和通过在初级绕组中流动的电流而感应电压的次级绕组。

This paper describles a multipleloop voltage instantaneous feedback inverting power supply based on digital PID control arithmetic.

介绍一种基于数字 PID控制算法的电压瞬时值反馈逆变电源，分析了其控制算法及控制框图，仿真表明该系统具有良好的输出响应特性。

Supply voltage and the maximum allowable electric current should be accordance with the requirements of the instruction book.

电源的电压及最大允许电流应符合本说明书的要求。

An AC powered source usually has a significant level of line frequency common mode voltage.

交流供电的源通常具有很高电平的电源频率共模电压。

80C 51 chip signal pin and logical symbol like the 80C51 chip is 40 pin double row in-line seal, the sole +5V power source, its pin arrangement and the logical organization like it has 3 programmable I/O mouths, 2 mouth are 8 mouths, 1 mouth is 6 is a mouth.

EPROM 存储器程序固化所需要的信号，有内部 EPROM 的单片机芯片（例如87C 51），为写入程序需提供专门的编程脉冲和编程电源，它们也是由信号引脚以第二功能的形式提供的，即：编程脉冲30脚编程电压（25V ）31脚

The main body of a book have analysed a generator losing the magnetism physics process , have given a generator out the fundamental equation losing the magnetism queen; By using simulated module of electric system in Matlab/Simulink,build a single infinity system emulation model , have included module such as generator , excitation system , transformer , idle work power source , circuit loads , infinity system , transmission line; Lose magnetism condition two kinds specifically for the excitation winding loses magnetism and the part completely losing magnetism, lower emulation having carried out different working condition, have gained machine holding stater voltage , have encouraged the magnetoelectricity stream , excitation voltage and output having performed meritorious service power wave form change condition; By simulated wave form of contrast , to every electricity amounts, change law has carried out theoretical analysis.

本文分析了发电机失磁的物理过程，给出了发电机失磁后的基本方程；通过使用Matlab/Simulink中的电力系统仿真模块，建立一个单机无穷大系统仿真模型，包括了发电机、励磁系统、变压器、无功电源、线路负载、无穷大系统、输电线路等模块；针对励磁绕组完全失磁和部分失磁两种失磁情况，进行了不同工况下的仿真，获得了机端定子电压、励磁电流、励磁电压和输出有功功率波形的变化情况；通过对比仿真波形，对各电气量变化规律进行了理论分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。