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圖F-8-2 跨步系數(shù)與接地網(wǎng)面積S的關(guān)系曲線(均壓帶直徑d=20mm)
三、接地網(wǎng)附近某一點的電位的計算：
圖F-8-3 計算點ρ
1.大型接地裝置--發(fā)電廠、變電所的接地裝置：
2.小型接地裝置--桿塔接地裝置(包括微波塔)：
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