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Protected Against Wildlife but Attacked by Biological Growths
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防范了野生动物却遭到了植物攻击

October 20, 2015 • Over head, Photo of the week, 最近文章汇总

这张暴雨期间的照片有许多有趣的元素,拍摄于加拿大温哥华城市变电站附近。首先说明了一个事实,即相对短的套管已被保护,以防止野生动物侵扰通过安装在顶终端保护绝缘盖装置和导体的邻接部分。导致停运变电站等问题,从动物如松鼠,浣熊和野猫都是世界上许多地区的一个现实问题,而在这里所采用的解决方案提供了良好的保障。但是,这种安装仍然受到攻击,却用另一种形式的生物 - 套管甚至在外壳上的生物出现了大量生长。这样的生长也最常被链接到复合绝缘子的聚合物外壳,还可以发生在瓷器处。在这些套管的情况下,生长茂盛,大多是影响其倾斜下部。鉴于套管的顶端被保持相对干燥的野生动物保护,而下部则完全浸湿,这些外壳(如果是在穿墙套管部分由外伸向屋顶保护的情况下)可能仍处于危险之中。 Protected Against Wildlife but Attacked by Biological Growths There are a number of interesting elements to this photo taken during heavy rain at an urban substation near Vancouver, Canada. The first is the fact that the relatively short bushings have been protected against wildlife intrusion by means of protective insulating covers installed over the top terminals and also adjoining sections of conductor. Outages at such substations from creatures such as squirrels, raccoons and feral cats are a real problem in many areas of the world and the solution employed here offers good protection. However, this installation has still been attacked but by another form of life – biological growth on the housings of bushings and even over the tanks. Such growths have most often been linked to the polymeric housings of composite insulators but can also develop over porcelain. In the case of these bushings, the growths are preferential, mostly affecting their tilted lower portions. Given that the top of the bushing is kept relatively dry by the wildlife protector while the lower portion is fully wetted, these housings (just as in the case of wall bushings partly protected by an overhanging roof) may still be at risk. click on image to enlarge.
防范了野生动物却遭到了植物攻击 防范了野生动物却遭到了植物攻击 防范了野生动物却遭到了植物攻击 Photo of the week Oct 6 20141

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