星载某设备高阻接地设计对整星电磁兼容性的影响

EMC analysis and verification of high resistance grounding design for a certain device on satellite

摘要: 为了满足新的使用需求,星载某设备的接地设计由壳体直接接地改为采用高阻接地。文章采用理论分析和软件仿真的方法,对该设备采用高阻接地的设计后对整星电磁兼容性能的影响进行了分析,并提出了专项试验验证方法,在故障模拟仿真卫星平台上实施了试验验证。仿真分析和试验验证都表明,此设备采用高阻接地的设计不会对卫星整星的电磁兼容性产生明显影响,可作为后续其他卫星型号采用此类设计的参考。

Abstract: The high resistance grounding design for a device is adopted for some special requirements. The paper reviews the procedures of the EMC analysis and the verification and evaluates the influence on the EMC performance of the satellite system caused by the high resistance grounding design of the device. It provides a foundation for the later successful grounding design of the device on satellites.