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实用新型
CN202090653U 交流特高压大跨越直线塔 失效 - 权利终止

交流特高压大跨越直线塔
摘要：
本实用新型公开了一种交流特高压大跨越直线塔，包括上相导线横担、下相导线横担以及塔身，该直线塔上悬挂有双回路的交流三相输电导线；所述上相导线横担设置在所述塔身上，在所述塔身的两侧以对称的方式分别悬挂双回路中的一个回路的上相导线和另一个回路的上相导线；所述下相导线横担设置在所述上相导线横担下部的所述塔身上，在所述塔身的两侧以对称的方式分别悬挂双回路中的一个回路的下两相导线和另一个回路的下两相导线；各回路的所述上相导线和所述下两相导线的中心呈三角形排列。本实用新型的直线塔主要用于跨越河流等大档距障碍物，能够满足1000kV特高压线路双回路大跨越电气间隙、导线对地距离、防雷及电磁环境的要求。
摘要（英）：

The utility model discloses an AC (alternating current) ultrahigh voltage large span straight line tower, which comprises an upper phase lead cross-arm, a lower phase lead cross-arm and a tower body; double loop AC three-phase power transmission leads are suspended on the straight line tower; the upper phase lead cross-arm is disposed on the tower body; the upper phase leads in the two loops of the double loop are respectively suspended on both sides of the tower body symmetrically; the lower phase lead cross-arm is disposed on the tower while under the upper phase lead cross-arm; the lower two phase leads in one of the double loop and the lower two phase leads in the other loop are respectively suspended on both sides of the tower body symmetrically; the centers of the upper phase lead an the lower two phase leads in each loop are arranged in a triangle. The straight line tower of the utility model is mainly used for spanning large distance barrier, such as a river; can meet the requirements of 1000kV ultrahigh voltage line double loop large span electric gap and lead to distance, lightning protection and electromagnetic environment.

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