变电所是对电压和电流进行变换、集中与分配的场所，是电力网中的线路连接点

变电所是对电压和电流进行变换、集中与分配的场所，是电力网中的线路连接点。变电所对维持电力系统的电网安全 、供电可靠性有着重要的作用。

結果 (英文) 1:

Substation is to transform the voltage and current, concentration and distribution of sites, is power line connection points. Substation power supply reliability of power network security, for the maintenance of electric power system has an important role.

結果 (英文) 2:

Substation is to transform the voltage and current, concentration and distribution of places, is the power line network connection point. Substation to maintain grid power system security, reliability plays an important role.

結果 (英文) 3:

The transformer substation is to transform voltage and current, places of concentration and distribution, is the power network connection point. Plays an important role in maintaining power system substation power grid safety, power supply reliability.