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减少对边相导线的保护角 降低杆塔接地电阻 增加导线绝缘子串的绝缘子片数 地线直接接地
0.076% 0.194% 0.245% 0.269%
9.75° 17.98° 23.10° 14.73°
8.00kA 8.77kA 8.12kA 9.75kA
0.076% 0.194% 0.245% 0.269%
4.06° 10.44° 11.54° 12.65°
0.380Ω/km 0.423Ω/km 0.394Ω/km 0.420Ω/km
9.75° 17.98° 23.10° 14.73°
0.380Ω/km 0.423Ω/km 0.394Ω/km 0.420Ω/km
4.06° 10.44° 11.54° 12.56°
8.00kA 8.77kA 8.12kA 9.75kA
0.076% 0.245% 0.194% 0.269%