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The predigested physical model is set up in this paper according to the geometry shape of the earthing electrode, and the finite-difference time-domain (FDTD) method is used to get the transient grounding resistance (TGR) waveform of the earthing electrode, based on the experimental method. It is showed that the calculation results and the experimental results match well.
This paper discussed the transient Grounding Resistance(TGR) of a kind of simple earthing electrode. In order to study the influence of TGR, a kind of TGR testing system is adopted, which is testing the TGR under impulse current. In this paper, the round steel are utilized as the material of the earthing electrode. In addition, the TGR is calculated using FDTD method. The waveform and results of calculated...
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