Discussion on the Application of Copper-clad Steel Wire in Grounding of Engineering
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Abstract
In order to solve the problem of the application of copper clad-steel wire in practical engineering, a parallel model of solid cylindrical conductor and hollow cylindrical conductor was established, and its impedance expression was proved. The minimum cross-sectional area of the ground conductor of different materials were checked with thermal stability, and the appropriate size of the conductors were selected, and the international general software CDEGS was used for grounding calculation of large grounding grid. The rationality of the method was proved with the analysis of the calculation results, and we found that the grounding parameters of copper-clad steel grounding grid was more close to the parameters of copper grounding grid. As a project example, the grounding parameters of copper grounding grid, copper-clad steel grounding grid, and steel grounding grid were calculated and compared, and these conclusions could be found, that copper-clad steel had excellent grounding performance and great economic advantages as grounding material.
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