OPGW允许的最高温度  

Permitted highest temperature of OPGW

作　　者：陈清美 

机构地区：[1]江苏宏图高科技股份有限公司,江苏南京210028

出　　处：《电力系统通信》2006年第9期14-19,共6页Telecommunications for Electric Power System

摘　　要：当电力系统发生短路故障时,流过OPGW的短路电流会使OPGW发热升温。当温度超过200℃时,不但会影响OPGW的性能(光纤的着色层变硬、退色,能量损耗增大),而且易造成OPGW发生鸟笼现象、断股现象。短路电流容量是衡量OPGW温度特征的尺码,文章介绍了有关标准,对各种典型结构的OPGW进行了短路电流容量和温升关系的分析,从而说明设计和选用OPGW时,遵循OPGW标准规定的重要意义。When the short current fault happens in the electric system, the temperature of the OPGW rises because of the short current,and when the temperature exceeds 200 ℃ , the performance of the OPGW will be affected, such as colored layer stiffening, fiber color fading and the energy loss increasing. Moreover, the Birdeage phenomenon or even strand breaking of the OPGW will happen. The capability of short current is a significant target to measure the temperature of the OPGW. This paper introduces some standards, and enumerates several typical OPGW structures to analyze the relationship between the capability of short current and the temperature. So the structure designing of OPGW should be accordance with the OPGW standards.

关 键 词：光纤复合架空地线 光单元 短路电流容量 鸟笼现象 

分 类 号：TN913.33[电子电信—通信与信息系统]