基于ADuC841单片机的激光电源控制电路设计  

Laser Power Supply Control Circuit Design Based on ADuC841

作　　者：方毅[1] 徐捷[2] 于鹏[2] 

机构地区：[1]扬州供电公司,江苏扬州225000 [2]东南大学电气工程学院,江苏南京210096

出　　处：《电工电气》2011年第5期17-19,26,共4页Electrotechnics Electric

摘　　要：针对电子式电流互感器高压侧一次转换器的供能问题,设计一种基于ADuC841单片机的反馈式激光电源供能系统,包括激光电源驱动电压的反馈调制、驱动电流的过流监控、散热保护以及各参量的LCD实时显示,实现激光电源稳定输出6mW功率。ADuC841单片机内部集成了A/D、D/A转换器,节省了系统空间,另外,采用PPM光电供能模块,提高了光电转换效率。In allusion to the energy supply problem of primary converter at electronic current transformer＇s high-voltage side,a kind of feedback laser power energy supply system was designed based on ADuC841,including feedback voltage modulation and over-flow current monitoring driven by laser power supply,heat dissipation protection and real-time liquid crystal display of each parameter,to realize laser power supply＇s stable 6 milliwatt power output.Analog-to-digital converter and digital-to-analog converter were integrated in ADuC841,which saved the system space.Besides,the PPM photoelectric energy supply module was adopted to raise photoelectric conversion efficiency.

关 键 词：激光电源 闭环控制 ADuC841单片机 电子式电流互感器 

分 类 号：TM919[电气工程—电力电子与电力传动] TN86[电子电信—信息与通信工程]