Hefei green energy limited is a long - term commitment to professional prestige power , uninterrupted power supply ( ups ) , emergency power supply ( eps ) , frequency conversion power , solar / wind power systems and other related equipment in research , development , manufacturing high - tech private enterprises 合肥长远绿色能源有限公司是专业致力于逆变电源、不间断电源（ ups ） 、应急电源（ eps ） 、变频电源、太阳能/风力发电系统等相关设备研究、开发、制造的高新技术民营企业。
By the development of high frequency switch , low frequency transformer has been withdrawn from many domains . but in the domain of ups , linear power amplifier and the inverter output low frequency ac , for the purpose of isolation and change voltage , there is no choice but to use low frequency transformer 高频开关技术的发展，使工频变压器从许多领域中退了出来，但是在需要隔离的ups不间断电源、数码线性功率放大器、要求输出低频正弦波的dc ac变换器等许多领域中，为了隔离或变换电压的需要，以至不得不保留了低频变压器。
This pck avoiding miscellanecous circuit design , reducing parts and accessd ries , lowering volume and weight largely , and strengthening operating availability : provided mith high capacity to reduce quantity of batteries andjkeep same dischange time , without replacing battery frequently ; supplying nith stable putput power fit to origins of long time unstable voltage and avoiding supplying power by kattery under not power fqilure ; this unit can be located beside computer becamse of its beautiful appearance 本系列不间断电源是本公司最新推出的新一代方波后备式不间断电源，专为个人电脑设计，集交流稳压器高速后备电源及尖峰浪涌收为一体，具有体积小、功能全、效率高、性能可靠、使用方便等特点，并具有周全的自动保护功能。
Under reading a lot of domestic and foreign study about flywheel battery , this paper is for the purpose of the application of the flywheel battery on the electric vehicle and uninterruptible power supply ( ups ) . i complete the design of hardware and software about power electronics package conversion controller system of medium and small flywheel battery 本论文在查阅了大量国内外相关研究的基础上，以电动车辆和不间断电源( ups )为应用背景，进行了中小功率飞轮电池的电力电子转换控制系统的硬件电路和软件设计。
Standard disposition : the radio telephone type security reports to the police the main engine 1 , the monitoring photographs recording and sending out 1 , the wireless infrared human body induces the detector 1 , the wireless gate magnetism 1 pays , the remote control 2 , the 12v ups 1 , the av picture ties 1 , instruction booklet 1 the fashion combination monitoring photographs security reports to the police a body machine system , becomes the security alarm system to turn to a new generation the new product 标准配置:无线电话机型防盗报警主机1台监控拍照录放器1台无线红外人体感应探测器1只无线门磁1付遥控器2只12v不间断电源1只av图像连接线1条说明书1本
