机载浪涌抑制电路研究与设计

Research and Design of Airborne Surge Suppression Circuit

机载机电伺服设备中,母线挂载较大容性负载,为了抑制机载配电设备开关闭合瞬间的浪涌,提高机载供配电系统安全性、稳定性,对几种供电母线浪涌抑制方案进行研究,着重就晶体管浪涌抑制方案进行原理分析和参数研究,进行了高低环境温度以及宽输入电压范围的试验,验证了晶体管浪涌抑制电路参数匹配的有效性。

There are many capacitive loads in airborne equipment,the safety and stability of power supply are negatively affected by the surge at the moment of switch closing of power distribution facility.The causes and hazards of surge are analyzed,and the scheme of surge restrain is introduced.The parameters of transistor scheme are studied.The experiments of high and low ambient temperature and wide input voltage range are carried out,simulated and tested to verify the function and effectiveness of the design.