小功率直流稳压电源设计  

The Design of Low Power DC Regulated Power Supply

作　　者：孙晓丹 代忠红 宁平华[1] SUN Xiaodan;DAI Zhonghong;NING Pinghua(Technician College of Ma'anshan Vocational and Technical College,Ma'anshan 243000,China)

机构地区：[1]马鞍山职业技术学院技师学院,安徽马鞍山243000

出　　处：《通信电源技术》2021年第4期81-83,共3页Telecom Power Technology

基　　金：安徽省省级课题“工业机器人应用示范实验实训中心”(2020sxzx54);安徽省省级课题“马鞍山职业技术学院海思达机器人校企合作实践教育基地”(2020sjjd128)。

摘　　要：由于交流电在电能的产生、输送以及分配等方面较直流电具有较大优势,因此发电厂生产的是交流电。但是很多自动控制装置和电子设备需要电压稳定的直流电源供电,这就需要能够将交流电转变换为稳定直流电的装置,直流稳压电源应运而生。最简易的小功率直流稳压电源是将有效值为220 V、工作频率为50 Hz的市电经过降压、整流、滤波以及稳压后得到直流电。现主要对桥式整流电容滤波电路设计及主要元器件参数的选择进行讲述。AC has more advantages than DC in the generation,transmission and distribution of electric energy.Therefore,power plants produce alternating current.However,many automatic control devices and electronic equipment need voltage stable DC power supply.This needs to be able to convert AC into a stable DC device,DC regulated power supply came into being.The simplest low-power DC regulated power supply is to get DC power after reducing voltage,rectifying,filtering and stabilizing the power supply with effective value of 220 V and working frequency of 50 Hz.This paper mainly describes the design of bridge rectifier capacitor filter circuit and the selection of main component parameters.

关 键 词：桥式整流 直流稳压电源 电容滤波 二极管 

分 类 号：TM44[电气工程—电器] TN86[电子电信—信息与通信工程]