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Jung J.-S.,Electrical Safety Research Institute KESCO | Han W.-K.,Electrical Safety Research Institute KESCO | Park C.-U.,Electrical Safety Research Institute KESCO | Song Y.-S.,Electrical Safety Research Institute KESCO | Lim H.-S.,Electrical Safety Research Institute KESCO
Transactions of the Korean Institute of Electrical Engineers | Year: 2013

In this paper, carried out for optimal ground system for ensuring safety for electricity used to power equipment in the 20 kHz frequency. Now the grounding system of the mesh electrode, electrode rods are installed for power plant safety and protection against electric shock. However, the electrical equipment grounding system in the 20 kHz were considering the increasing grounding impedance due to the high frequency and the magnetic shielding. But until now, there has been little research on the grounding system. To solve this problem, In this paper was proposed optimal grounding system due to the experiment using a mesh electrode, rod electrode, aluminum plate electrodes. Measurement results, grounding resistance was depending on the material of the electrode grounding resistance. In addition, the leakage current (induced) appeared to be affected depending on the type of electrode.

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