汇流环绝缘失效分析及绝缘材料选用  

Analysis of Insulation Invalidity and Selection Principle of Insulating Materials for Slip-ring

作　　者：汤锋[1] 李超[1] 

机构地区：[1]南京电子技术研究所,江苏南京210039

出　　处：《电子机械工程》2016年第4期32-34,共3页Electro-Mechanical Engineering

摘　　要：针对在恶劣的实际工况中,雷达汇流环较易发生绝缘失效故障的现象,从绝缘材料漏电起痕的角度分析了汇流环绝缘失效的机理,研究了绝缘材料漏电起痕指数(CTI)对汇流环绝缘性能的重要影响,并以CTI作为考量指标,对目前汇流环常用绝缘材料的绝缘性能进行了分析,提出了在汇流环设计中绝缘材料的选用原则,为雷达汇流环的绝缘性能设计提供了参考。Considering that in harsh actual working conditions, the radar slip-ring is likely to become mvah- date in insulation. Its reason is analyzed from the point of insulating materials tracking, and the importance of CTI to insulating materials is studied. Taking CTI as a consideration standard, the insulating properties for va- rious insulating materials used in slip-ring are analyzed, and the selection principle is elaborated, which will offer a reference for the insulating part design of radar slip-ring.

关 键 词：CTI 汇流环 绝缘材料 

分 类 号：TM21[一般工业技术—材料科学与工程]