The mechanism of chopped wave overvoltage of transformers caused by insulator arc-over chopped wave after lighting stroke terminal tower is analysis emphasize.

针对截波产生的原因，重点分析了雷击变电站终端杆塔使绝缘子闪络产生截波，并引起变压器截波过电压的机理。

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For large space, air terminal building adopts air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.

该工程结合大空间场所的特点，采用了地面送风亭射流送风方式、地面排风方式及红外线对射探测器控制的排烟天窗。

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The method for fault location of the parallel transmission lines on the same tower based on single-terminal current is proposed in this paper.

提出了一种基于同杆双回线单端电流量的故障测距方法。在故障状态下，双回线可以分解成同向网和环流网，其中环流网只与双回线有关，且两端电压为零。

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The company also said it was planning to increase the size of its air passenger terminal at Land's End, and that a new control tower would make flights less weather-dependent.

BBC: Isles of Scilly helicopter axing provokes economic fears