According to the statistic analysis of geosynchronous space-craft abnormal events,the ESD(electricity static discharge)is one ofthe primary causes,It possessed about 30%,of the total abnormal events.

• 地球同步轨道卫星的在轨故障分析表明,ESD(静电放电)是导致卫星故障的重要原因之一,它约占故障总数的30%25左右。