电源

Combined with the latest development of modern technology of power electronics and digital signal processing, the power supply reseached in the thesis is based on DSP processor and IGBT-a high speed and large power convector. Its work frequency increases to 20kHz and its control is in full digital method.

本文结合现代电力电子技术以及数字信号处理技术的最新发展，采用数字信号处理器作为控制核心，高速大功率开关器件IGBT作为逆变器功率器件，将该除尘电源的工作频率提高到20kHz，并实现了对该电源的全数字化控制。

Different kinds of micro powers have been developed, however, to develop a micro generator system or micro energy conversion device, which can be used without the limitation of time, has long being a important research program.

尽管各种微电源已经面世，但是，研究一种在理论上可以无限期使用的微型发电机系统将外界环境的能量转换为电能的微电源，一直是人们期待解决的重要课题。

In order to prevent the damage to people by the creepage of high-voltage batteries on electric vehicle, a solution of creepage protection based on FPGA was provided according to the relevant national standards.

为解决电动汽车车载高电压电源因漏电而导致的对人体伤害事故，根据国家相关安全标准设计出一种基于现场可编程门阵列核心控制器的电源漏电保护装置。

The structure of the design include a nucleus manipulator (AT89S52 ), the current , sampling, comparision amplification, A/D, D/A converter, keyboard display, and so on .

本设计是基于单片机的一种数控电源，与一般电源相比具有宽范围电流输出、可修改性所需电流键盘输入、两级步进调节、输出电流及设定电流显示、负载两端电压显示、纹波系数小等特点。

Lettering means: Heat turns imprint means (300dpi) displays screen: LCD liquid crystal shows: 64x132 prints rate like element: 25mm/ second 10.0mm/ second the biggest length that print: Bushing: 20 meters, label paster: 5Rice inputs character at most: Dimension of 2000 character font: 2, 3, 4, 6mm Gao Ke uses label measure: Paster width 5, 9, 12mm bushing cut mode: Cut automatically partly, the hand moves cut interior to remember a capacity comple

印字方法：热转印方法(300dpi)表明银幕：LCD液晶表明：64x132分辩率复印速率：25mm/秒10.0mm/秒最大复印长度：套管：20米，标记帖纸：5米至多输进字节：2000个字节书体大小：2，3，4，6mm高可用标记大小：帖纸长度5，9，12mm套管切分方式：自行半切，手动全切里面回忆容积：40，000个字节(20字节x100组x20数夹)供给电源：DC：12V，1.3A电源耗损最大20W控制周围的环境：慑氏15to35度外型大小：286x287x95mm质量：2斤

My company main product 10KW~16000KW's medium frequency power supply for inductionheating and 10kg~50000kg's medium frequency furnace.We also product medium frequency power supply and mechanical device with power needs for consumer special needs etc. such as chain cutter bar's heat treatment device

产品/Product：公司主要生产10KW～16000KW的各种规格中频电源和相配套10kg～50000kg中频感应电炉，以及生产特殊要求的中频感应电源和相配套的机械设备等。

Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of voltage.

热循环仪的电源应专用，并配备一个稳压电源或UPS，以防止由于电压的波动对扩增测定的影响。

Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of volt-age.

热循环仪的电源应专用，并配备一个稳压电源或UPS，以防止由于电压的波动对扩增测定的影响。

Our main products are: high-power LED street lamp special power supply module,LED daylight lamp, LED lamps,led variable light controller,ADSL voice data splitter, filter, high-precision inline inductor , and other developed electronic products required by customers.

目前，公司的主要产品有：大功率LED路灯专用电源模块、LED日光灯专用电源、LED灯具、LED变光控制器、ADSL数据语音分离器滤波器、高精度对插式电流互感器及客户委托开发生产的其它电子产品。

At present. our main products are: high-power LED street lamp special power supply module,LED daylight lamp, LED lamps,led variable light controller,ADSL voice data splitter, filter, high-precision inline inductor , and other developed electronic products required by customers.

目前，公司的主要产品有：大功率LED路灯专用电源模块、LED日光灯专用电源、LED灯具、LED变光控制器、ADSL数据语音分离器滤波器、高精度对插式电流互感器及客户委托开发生产的其它电子产品。

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。