变电所担负着从电力系统受电,经过变压,然后配电的任务。它是电力系统的枢纽,有着特殊重要的地位。变电所的类型总的来说分为户内和户外两大类。户外变电所比较简单经济,无需建造厂房,但安全可靠性较差,易污染,尤其在靠近易燃、易爆的厂房附近和大气中含有损害电气设备的腐蚀性物质的场所,不宜采用,而且占地面积较大,对地皮紧张的市区不 Substations are tasked with receiving power from the power system, transforming it, and then distributing it. It is the hub of the power system and has a special important position. The types of substations are generally divided into indoor and outdoor categories. The outdoor substations are relatively simple and economical, and there is no need to build a factory building, but their safety and reliability are poor, and they are easy to pollute. This is especially inappropriate in locations near flammable and explosive buildings and in the atmosphere containing corrosive substances that damage electrical equipment. And the area is large, and the urban area that is tight to the ground is not