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2024-02-11 09:15:02  1369次浏览 次浏览
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江苏春晨电缆有限公司生产YCB扁电缆,图片不存在杆塔上面的牌子就有线路的电压等级。一般1开头的是110千伏,2开头的是220千伏,以此类推,5开头的则是指500千伏。

The brands above the towers have voltage levels on the lines. General 1 starts with 110 thousand volts, 2 starts with 220 thousand volts, and so on, 5 starts with 500 thousand volts.

当然,千万不要为了看清警示牌上标示的电压等级而过于接近高压线杆塔。

Of course, do not approach the tower of high voltage line in order to see the voltage level marked on the warning board.

各等级高压线路距离:

High voltage line safety distance of each grade:

10千伏以下——0.7米

Below 10 thousand volts - 0.7 meters

35千伏——1米

35 thousand volts - 1 meters

110千伏——1.5米

110 thousand volts - 1.5 meters

220千伏——3米

220 thousand volts - 3 meters

330千伏——4米

330 thousand volts - 4 meters

500千伏——5米图片不存在500 thousand volts - 5 meters

电杆之间的直线距离在120米左右;220KV肯定是一个巨大的铁塔,220KV架空线路通常用的是30米以上的铁塔和长串的蝶式绝缘子,铁塔之间的直线距离在200米以上;YCB扁电缆

The linear distance between the poles is about 120 meters; 220KV must be a huge tower. The 220KV overhead line is usually used as a tower with more than 30 meters and a long string of butterfly insulators. The line distance between the towers is more than 200 meters.

补充一下:

Supplement:

分裂导线

Split wire

判断,2分裂通常是220kv,4分裂还有6分裂等以上通常是500kv级别。(所谓分裂数就是每相导线采用的导线根数,根据趋肤效应,这样做只用几根导线就可以近似等效实际导线有这么粗。导线越粗线路电感越低,从而对输电具有好处)。在中国,2,4,6分裂是比较普遍的。

It is judged that the 2 division is usually 220kV, 4 division and 6 division. Above is usually 500kV level. (the number of divisions is the number of wires used in each phase, according to the skin effect, so that only a few wires can be used to approximate the equivalent actual wire. The thicker the wire is, the lower the inductance of the line is, which is good for transmission. In China, 2,4,6 division is more common.

但一般都有很多个500KV 的输电线路基本上用的是四分列导线,也就是一相有四根,220KV 多用两分裂导线的,110KV 多用一根。

But in general, there are a lot of 500KV transmission lines basically using four lines, that is, one phase has four, and 220KV uses two split wires, and 110KV uses one more.

4、为什么经常会看到不同形状的输电杆塔?YCB扁电缆

4, why do we often see different shapes of transmission towers?

杆塔的类型和很多因素相关,比如输电电压,回路数,导、地线种类和安装方式等。在普通人看来,直观的差别还是杆塔外形。

The type of tower is related to many factors, such as transmission voltage, loop number, conductor, ground wire type and installation mode. In the eyes of ordinary people, the most intuitive difference is the shape of the tower.

根据我国输电铁塔设计规范,我国的输电铁塔按照塔型主要可以分为酒杯型塔、猫头型塔、干字型塔、鼓型塔等。

According to the design standard of transmission towers in China, the transmission towers in China can be classified into cup tower, cat tower, dry type tower and drum tower according to the tower type.

图片不存在

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