48v

48V / 20A High Frequency Switching Mode Power Supply

48V/20A高频开关电源

Improvement of 48V power-supplying circuit in power card of IMAGE acquisition station

IMAGE采集站电源板48V加电电路的改进

Integrated Appraisal of a Project to 24V / 48V Power Supply

一则24V/48V供电方案的技术经济评价

- 48V Rectifier Configuration and DC System Setting

-48V整流器配置与直流系统设置

This paper presents two kinds of small converter for 48V direct current fluorescent lamp used in passenger train .

本文介绍两种旅客列车用48伏直流日光灯小型变换器。

Analysis and implementation of 48V / 3KVA forward DC link soft-switching static inverter

48V/3KVA正激直流环节软开关静止变流器的分析与实现

The design process of the switch power with 48V input and 13.6V/10A output is detailed .

详细介绍48V输入、13.6V/10A输出的开关电源的设计过程。

Research on 48V 50A Voltage Regulator for Communication

48V，50A逆变式通信用稳压电源的研制

Output voltage rating : dc 48v ;

额定输出电压：48V（DC）；

At the last , the experiment results of a 48V in and 3.3V/30A out prototype are presented .

最后，制作了一台48V输入、3.3V/30A输出的样机，验证设计的有效性。

The hardware and the software of DSP control system applied to the three phase brushless DC motor of 48V / 800W are designed .

本文设计了48V/800W直流无刷电机的DSP调速系统的硬件和软件。

Research on Charger for Storage Battery ( 48V / 20A · h ) of Electric-vehicle

电动车用48V（20A·h）蓄电池充电器的研究

The role of the base station communication power provides DC ( - 48V or-24V ) power for communications equipment of the base station .

基站通信电源的作用是为基站的通信设备提供直流（-48V或-24V）电源。

A 48V input , 3.3V/100W output active clamp forward converter is built and experimental results are presented to verify the principle of the proposed scheme .

现以一个48V输入，3.3V/100W输出的有源箝位正激变换器为例，验证了它的工作原理，给出了其实验结果。

Some of studys of the 48V / 25A high-frequency switching power supply which is used in the communication systems are introduced in the thesis .

根据目前开关电源的发展现状和发展方向，作者研究开发了一种通信系统常采用的48V/25A直流高频开关电源。

In this paper , 48V in and 3.3V/30A out VRM is the main study object , and the active-clamp forward topology is chosen .

本课题主要以48V输入，3.3V/30A输出的VRM为研究对象，选取拓扑为有源箝位正激式变换器。

It proved that the UCLP system could supply 48V / 500W DC power over 8mm magnetic gap , with system efficiency ranging from 70 % to 75 % .

实验室测试证明，本系统能够在8mm磁芯工作间隙下，为负载提供48V/500W的直流电，总体效率在70%-75%之间。

The main power supply is provided by two diesel generators alternately , two bank of 48V accumulators are used as spare power and provide power for 48V electrical source of communication devices .

主要供电由2台12KW的柴油发电机轮换工作，两组48V的蓄电瓶作为备用和给通信设备48V电源供电。

Based on this , this thesis accomplishes the software and hardware system design combining with the three-phased SRM ( 3kW / 48V and 12 / 8 poles ) .

在此基础上，本文结合3kW／48V、三相12／8极开关磁阻电机进行了系统软硬件设计。

Finally , this thesis designed a prototype of ZVS half bridge converter which 350W power output and 48V voltage output . We proved the correctness and feasibility of the program by experiment result .

最后设计制作一台输出功率为350W、输出电压为48V的ZVS半桥变换器样机，通过实验证明该方案的正确性和可行性。

In practice , a prototype , based on the novel proposed topology , with a 48V input and 100A / 0.8V output is built and the experimental results verify the theoretical analysis very well .

本文在实践方面：结合上面的新型三电平变换器拓扑，试制一台48V输入，0.8V／100A输出的VRM，并获得较好的实验结果。

Taking a 48V communication power supporting system , this paper analyses the design of high frequency switching DC power supply system , introduces the optimistic design procedure for the power supply system and puts forward other questions which deserve attention .

以48V通信电源支持系统为例，分析高频开关直流电源系统的设计问题，叙述电源系统优化设计程序以及其他问题。

Based on the charging requirements of 48V lithium iron phosphate battery pack , designed a rapid charging main circuit topology and its control method , built charging experimental platform and completed the battery fast charging experiment .

论文根据48V磷酸铁锂电池组充电技术要求，设计了快速充电主电路拓扑及其控制方式，搭建了充电实验平台，完成了对电池组的快速充电实验。

In the test , we get the efficiency up to 96 % at the condition of 48V input / 9V output , which proved the realization of the soft-switch in the bus converter mentioned above .

测得额定输入48V，输出9V条件下的效率高达96%。

The switch power source is supporting product of host equipment communicating by letter , Mainly to provide 24V , 48V or higher direct-current power source for large-scale programme-controlled switching equipment and transmission equipment and mobile communication equipment as well .

开关电源作为通信主设备的配套产品，主要是给程控交换机系统，精密传输设备和移动通信控制系统提供24V或48V或更高的直流电源。

This paper points out the main difficulties met with designing the 48V input Voltage Regulator Modules ( VRM ) . The principles to choose the power stage topology , synchronous rectifiers , output filter capacitor , output inductor are presented in detail .

分析了48V输入电压调节模块（VRM）设计的难点，系统地介绍在主电路拓扑选择、同步整流器选择、输出滤波器的设计中应遵循的原则。

The prototype of 120W 220V ± 20 % 50HzAC / 48V DC for single-stage parallel mode AC / DC converter with uninterruptible power supply and high power factor is designed and manufactured . The test results are given and corresponding to the theoretical analysis .

设计并研制了120W220V±20%50HzAC/48VDC单级并联式不间断高功率因数AC/DC变换器原理试验装置，给出了试验结果，试验结果和理论分析一致。