满足多种供电输入的大功率电源设计  

Design of High Power Supply for Various Power Supply Input

作　　者：骆训卫 宋金华 林兰修 吴林 LUO Xunwei;SONG Jinhua;LIN Lanxiu;WU Lin(Tongfang Electronic Science and Technology Co.Ltd.,Jiujiang 332002,China)

机构地区：[1]同方电子科技有限公司,江西九江332002

出　　处：《计算机测量与控制》2021年第11期245-249,共5页Computer Measurement &Control

摘　　要：基于大功率设备供电设计了一款效率高、功率密度大的供电单元;可以采用单相220 V供电,也可以采用三相四线380 V供电,给大功率设备功放单元提供了高达2400 W的输出,同时配备了三路独立的24 V输出;通过芯片C8051F330能实现与上位机串口通信,能控制电源的启动以及监测各路直流输出的电压、电流大小和整机的温度,对末级功放单元的供电可以实现阶梯式八级电压的调整;能自动识别交流输入的欠压、过压,可以有效的保护整机电源不受损伤;具有输入过欠压保护,输出过压保护、输出过流保护、输出短路保护和过温保护等功能。A power supply unit with high efficiency and high power density is designed based on the power supply of high-power equipment.It can use single-phase 220 V power supply,or three-phase four-wire 380 V power supply,which provides up to 2400 W output for high-power equipment power amplifier units,and is equipped with three independent 24 V outputs.Through the chip C8051F330,it can communicate with the host computer serial port,control the start of the power supply and monitor the voltage and current of each DC output and the temperature of the whole machine.The power supply of the final power amplifier unit can be adjusted in a stepped eight-level voltage.It can automatically identify the undervoltage and overvoltage of the AC input,which can effectively protect the power supply of the whole machine from damage.With input over-voltage protection,output over-voltage protection,output over-current protection,output short-circuit protection and over-temperature protection.

关 键 词：大功率 效率高 功率密度 C8051F330 阶梯式 自动识别 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]