机载计算机开关电源常见故障分析  

Analysis of common fault of airborne computer switching power supply

作　　者：王栋[1] 冯倩[1] 张斌峰[1] 

机构地区：[1]中航工业西安航空计算技术研究所,陕西西安710068

出　　处：《大众科技》2015年第4期59-60,共2页Popular Science & Technology

摘　　要：随着航空电子设备的迅速发展,越来越多的电子设备被应用到飞机上。开关电源是机载计算机重要的组成部分,直接影响到计算机的正常工作,文章重点介绍了机载计算机开关电源的构成和工作原理,并总结了故障排除思路与方法。With the rapid development of aviation electronic equipment, more and more electronic devices are applied to aircraft. As one of the key ingredients in airborne computer, switching power plays an important role in normal operation of airborne computer. In th is paper, the composition and working principle of switching power were introduced and the ideas and methods of troubleshooting were s ummarized.

关 键 词：开关稳压电源 PWM 推挽电路 过流保护 过压保护 

分 类 号：V24[航空宇航科学与技术—飞行器设计]