The cause of corrosion of substation ground grid it analysed. Measures of corrosion protection are suggested.

本文分析了变电站接地网腐蚀的原因，提出了防止腐蚀的措施。

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Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.

引外接地是一种降低地网接地阻抗的有效措施。

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The resistance-reducing rate for the small ground grid or electrode is less than 56.6%, even under large permeability.

即使考虑强大的渗透作用，集中接地体或小型地网的降阻率也不会超出56.6%。

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You realise are you standing on a metal grid and you can look through to the ground below.

BBC: Imperial War Museum North

If engineers were held to the same standards, bridges would collapse as often as banks, planes would fall from the sky (if they ever got off the ground), and cyclical blackouts would be a permanent feature of our electrical grid.

FORBES: The Fundamental Fallacies Of Macroeconomics