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Experimental Study on Allowable Ground Potential Increase of Three Gorges Power Station

  • 2013-09-19
  • 30KB
  • Points it Requires : 2

In order to determine whether it is feasible to increase the allowable potential rise value of the ground grid, the author studied the power frequency withstand voltage characteristics of the control cable and then studied the influence of the power frequency withstand voltage characteristics of the relay protection equipment on this value, and conducted experiments. The results show that the power frequency withstand voltage characteristics of the relay insulation are the key factors affecting this value.

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