求翻译：确定特高压输电线路工频电压下的空气间隙时考虑了：①最高运行电压；②100 年可能一遇的最大风速；③多间隙(m=500)并联对放电电压的影响；④闪络概率应小于 0.13%。根据已进行的特高压真型塔试验结果，确定 1 000 kV 交流输电线路不同海拔下所需的工频电压间隙值如表 2 所示。是什么意思？

Determining the UHV transmission line power frequency voltage air gap under consideration of : ① the maximum operating voltage ; maximum wind speed ②100 in a case of possible ; ③ The multi-gap (m = 500) in parallel to the discharge voltage ; ④ flashover probability should

The high-voltage transmission lines for the voltage of the air gap, to take into account the following: 1 Maximum Operating Voltage; 2100 may be seen in the maximum wind speed; 3 more clearance (M = 500) and the discharge voltage; 4 flash probability should be less than 0.13 % . In accordance with t

Under when definite extra-high tension transmission line power frequency voltage air gap has considered:①Highest running voltage;②As soon as 100 years possible to meet maximum wind speed;③Multi-gap( m=500) parallel to discharge voltage influence;④The arc-over probability should be smaller than 0.13%

UHV transmission lines in determining power-frequency voltage of the air gap into account follows: maximum operating voltages; II the 100 years of the greatest wind speed c gap (m=500) parallel effect on discharge voltage about flashover probability must be less than 0.13%. UHV Tower carried out acc

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