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Lightning current and ground potential rise (GPR) results of artificially trigged lightning experiment in Binzhou of Shandong Province during the summer of 2006 are described in this paper. The variation of grounding resistance of grounding electrode is analyzed according to the data of experiment. From the waveform of lightning current, it can be found that the process of lightning flash has two...
The information in this paper includes the basic corrosion theory and forms of substation grounding grid corrosion. In order to investigate the corrosion in substation grounding grid and acquire corrosion data to give a guide for steel grounding grid's design, 21 grounding grids of substations distributed in different areas of Foshan were excavated to test corrosion rates of grounding conductors....
In order to simulate the effects of lightning and switching transients on power lines, coupling and decoupling network (CDN) is necessary for performing surge tests on electrical and electronic equipment. This paper presents a particular analysis of the circuit of CDN and design details according to the requirement of the standard IEC 61000-4-5. The CDN circuits are simulated by electromagnetic transients...
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