空间有效载荷二次电源抗干扰设计  

Anti-interference design for secondary power on space payload

作　　者：王小朋[1] 于平[1] 李东景[1] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所,吉林长春130033

出　　处：《信息与电子工程》2011年第4期439-443,共5页information and electronic engineering

摘　　要：为解决电源干扰问题,本文结合某型号空间有效载荷的研制,就其二次电源的抗干扰设计展开讨论,有针对性地将多种抗干扰措施例如:软启动、DC/DC及滤波设计、PCB与电箱电磁兼容设计等结合起来。综合采取上述措施后,浪涌电流减少至原来的1/20,输出纹波减少至原来的1/3,通过对二次电源的输出电源线传导发射测试和辐射发射测试,发现其测量值均低于国军标(GJB 151A-97)中规定的极限值。实验结果和工程实际应用表明,该抗干扰设计方案具有良好的实际效果。There will be various interference noises when DC transforms in Space Payload. These noises can generate severe conducted interference and radiated interference, then influence the quality of power supply directly. In order to solve this problem, this paper discusses the anti-interference design of the secondary power system combined with the research of a space payload, including soft start, DC filter, Printed Circuit Board（PCB） and the case of Electro Magnetic Compatibility（EMC） design. After taking this measures, the surge current drops to 1/20, and the output ripple drops to 1/3. The measured data of the Conduction Emission（CE） and Radiation Emission（RE） test in the EMC are under the limitation of GJB 151 A-97. All the results of the experiment and actual application show that the anti-interference design is effective.

关 键 词：有效载荷 软启动 DC/DC转换器 纹波 电磁兼容 

分 类 号：TN03[电子电信—物理电子学]