电源

Because of short of power sources in the altiplano, very long feed line of power distribution system have to be used when one of the substations is failed to operate, in order to g.

由于正在建设中的青藏铁路地处高原、电源稀缺，在某些变电所退出运行的情况下，不得已采用超长距离供电以保障对沿线负荷的电力供给，因此，超长距离供电线路的单相接地故障选线问题值得研究。

AMORETTO Car Cup is the use of electric vehicles, with the existing power system to heat a new product, in line with China and the world's living habits, can be used to boil water, foam instant noodles, tea, making coffee, Pao Niunai, all these can be easily enjoyed on the road, both to save time, reduce overhead, but also eliminates the trouble of going on-street points, which is a big step closer to healthy and enjoy the real life of a healthy car.

AMORETTO车载电热杯是利用车辆上现有的电源系统进行加热的全新产品，符合中国乃至全球的生活习惯，可以用来烧开水、泡方便面、沏茶、泡咖啡、泡牛奶等，一切都可在路途中轻松享受，既节约时间，减少开销，也省去了去路边点的麻烦，也就是想健康靠近了一大步，享受真正健康的车生活。

Based on design requirements of analog channel of DAQ system,according to actual problems to be solved in high-speed analog channel,such as parasitic parameter of circuit element,source noise and high frequent crosstalk on PCB,research has been carried out.

基于数据采集系统模拟通道的设计要求，针对高速模拟通道中元件的寄生参数、电源噪声和PCB板上的高频串扰等实际问题进行研究。

Analog, digital, display, and power supply electronics circuit

虚拟，数字，显示器以及电源的电子电路

First of all, we analogize out the calculation formula of short circuit current in the distribution systems with dispersed generations through basic circuit theory.

文中首先以电路分析原理推导出含有分散式电源之配电系统的各种短路故障电流计算公式，续由这些公式分析在甚麼情况下的短路电流会最大以及并联位置和产生之短路电流的关系如何，最后利用电脑程式模拟并验证推论结果的正确性。

Single loop instantaneous voltage feedback control and multiple loop feedback control, which can be realized by digital method or analogue method, are normal control strategies of inverter. The controller's performance of a same control strategy designed by different designers is different This paper makes out uniform analysis and design theory of inverter control strategies with pole-assignment technique of state-space theory for the first time. It is firstly proposed that controller parameters being equal to control system orders is the base of realizing high performance inverter. Design and performance comparability of various controllers is presented with uniform pole-assignment method.

本文首次采用状态空间理论的极点配置技术，对逆变电源的几种控制策略进行了统一的分析和设计，首次提出控制器控制参数与控制系统阶数相等是高性能逆变器控制实现的基础，并通过极点配置这种统一的设计方法对各种控制器进行了设计和性能比较，分析了要考虑的一些非理想因素的影响。

The most important part of andiron fireplace grate is the Controller, which is composed with operating panel, the main control panel, ignition / seized firearms, power distributor, and other major components. The andiron fireplace grate can be designed according to your special requirements, some of our acheivements like: simple pick switch button switches, touch switches, LED display, LCD display, VFD color display devices, all of which are suitable with any tape. The function can be combined in accordance with your requirments to make the products personalized and give you satisfaction.

控制器主要组成部分有操作面板、主控制板、点火/检火器、电源分配器等主要部件组成，套管式壁挂炉、单水路壁挂炉、板换式壁挂炉等配套，面板部分多样性，根据壁挂炉实际要求加以设计：简单的拨动开关、按键开关、轻触开关、触摸开关，LED显示屏、LCD显示屏、VFD彩色显示屏等器件控制温度调节和功能选择，能适用所有机型，功能变化多样化可以根据设计者自由组合，根据现实机型所要求功能开发，使产品具有个性化与独特优越性、最大限度满足设计者理念。

Install the unit on the wall 2.2 meters above the ground then adjust the angle of bracket to make the lens aim at the detection area, then insert the power plug to the socket and the LED2 indicator light will flash for each second.

报警器挂在离地面2米的墙上，调整万向节角度，使透镜对准监控场所，将电源插头插入市电插座上，LED2工作指示灯每过1秒钟闪亮一次，报警器延时一分钟后进入工作状态，此时布防后如有人进入警戒区域，步行指示灯(LED1)亮起，报警器发出刺耳的报警声音，响约60秒自动停止，停后约5秒自动进入布防状态。

It is very important to develop a qualified anode power supply for the operation of ICRH system.

高性能的高功率射频放大器阳极电源对整个加热系统的稳定运行起重要作用。

The aluminum groove used for heat dissipation is extrusion molding by 6030 aluminum ,and through anodize precessing technic ,with scientific struction for heat dissipation design ,which can solve the problem of heat dissipation efficiently , and can longer the life-span of LEDs , In addition ,the driver power utilize constant current IC driver ,which can asure the precise of power output and the stability during the couse of using .

散热铝槽采用6063铝挤出成型，经过阳极氧化等加工工艺处理，加上科学的散热结构设计，有效解决灯管散热难的问题，大大提高 LED 使用寿命。驱动电源采用恒流 IC 驱动方案，电流输出的精度高，确保 LED 使用的稳定性。

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。