一根裸露的高压线埋在地下,人在地上会不会被电到?

2025年03月16日 07:53
有5个网友回答
网友(1):

会,裸露的高压线埋在地下,埋地点与带电导线的电势相同,电流就会从导线的落地点向大地流散,于是地面上以导线落地点为中心,形成了一个电势分布区域,离落地点越远,电流越分散,地面电势也越低。如果人或牲畜站在距离电线落地点8~10米以内。就可能发生触电事故,这种触电叫做跨步电压触电。人受到跨步电压时,电流虽然是沿着人的下身,从脚经腿、胯部又到脚与大地形成通路,没有经过人体的重要器官,好像比较安全。但是实际并非如此!因为人受到较高的跨步电压作用时,双脚会抽筋,使身体倒在地上。这不仅使作用于身体上的电流增加,而且使电流经过人体的路径改变,完全可能流经人体重要器官,如从头到手或脚。经验证明,人倒地后电流在体内持续作用2秒钟,这种触电就会致命。

网友(2):

发电机出来的是三相四线制的电,就有一根中心线即平常人叫的邻线是接地的,和三根火线,家用的一般是接一根火线和邻线,如果把邻线接地的话不会,如把火线接地的话就有电流的回路,人在回路中当然会,前提是你在回路中不是你穿了绝缘的鞋那没事

网友(3):

地下你要看地是湿润的还是干燥的。湿地是导体,可以导电会被点到。干燥的大地不会导电不会电到。

网友(4):

通着电,高压线是裸露的,当然会被电到了。

网友(5):

应该不会,既然埋在地下就没事,因为大地是良好的绝缘体

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