数字控制金卤灯电子镇流器  

Research on digital control strategy of electronic ballast for MH lamp

作　　者：卓书芳[1] 林国庆[1] 

机构地区：[1]福州大学,350002

出　　处：《微计算机信息》2006年第07Z期270-272,共3页Control & Automation

基　　金：福建省自然科学基金资助项目(E0510008);福建省科技三项项目(K04011)

摘　　要：本文针对模拟控制电子镇流器存在的许多不足之处,提出了数字控制电子镇流器的控制方法,采用PIC16F873系列单片机,实现对金卤灯的启动及其稳态运行过程的控制,实现与灯的不同阶段的负载特性相匹配。介绍其工作原理,电路结构组成,并通过实验验证该方法是可行的。To deal with the weakness of the analogy control in the electronic ballast, a novel digital control strategy of electronic ballast for MH lamp with PIC16F873 singleehip is proposed in the paper,.It can meet the requirements of the control of MH starting and steady state, and can be used to operate MH lamps and makes the lamp work well.The circuit operation and the framework of the circuit are detailed, and the experimential measurements are used to verify the theoretical prediction.

关 键 词：数字控制 PICl6F873A 金卤灯 恒压 恒流 恒功率 

分 类 号：TM923.61[电气工程—电力电子与电力传动]