变电所 Electrical substation
（重定向自Electric power substation）
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![A 50 Hz electrical substation in Melbourne, Australia. This is showing three of the five 220 kV/66 kV transformers, each with a capacity of 150 MVA. This substation is constructed using steel lattice structures to support strain bus wires and apparatus.[1]](/uploads/202501/10/Melbourne_Terminal_Station2255.JPG)
变电所是电力供应的设施之一，在从发电厂长途输送电力时需要提高电压以降低电流传输时耗损，到用户端供电线路之前必须降低电压，再由变压器降为用户所需的电压。变电所变换电压并分配用电量，所以要尽可能靠近用电多的地方才有效率用电电压才不会互相影响。
Electric power substation
中文百科
英语百科
Electrical substation 变电所
（重定向自Electric power substation）
A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.
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