Industrial system grounding for power, static, lightning, and instrumentation, practical applications

被引:2
|
作者
Rowland, PW
机构
[1] Soigné Associates, Inc., Charlotte
关键词
Electric grounding;
D O I
10.1109/28.475726
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Practically every structural steel building erected for industrial use incorporates reinforcing steel bars installed in the concrete footings. This, without any additional effort, constitutes a grounding electrode. The quantity of electrodes is directly related to the building area. When the structural steel framework is erected and interconnected, these electrodes are also interconnected in a parallel arrangement. Similarly, high-voltage metal transmission towers are installed using a metal footing base embedded in a concrete filled hole. The four tower legs are effectively in parallel and offer an adequate low ground resistance such that additional electrodes are generally not required. This brings us to the main point: The reinforced concrete footings, reinforced concrete grade beams, and other reinforced concrete structures provide, with a little work, an effective, reliable, and cost attractive system grounding vehicle.
引用
收藏
页码:1358 / 1362
页数:5
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