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变电站是电力网中线路的连接点,承担变换电压、变换功率和汇集、分配电能的作用,它的运行情况直接影响到整个电力系统的安全、可靠、经济运行。然而一个变电站运行情况的优劣,在很大程度上是取决于其二次设备的工作性能。现有的变电站有三种形式:一种是常规变电站;一种是部分实现微机管理、具有一定自动化水平的变电站:再有另一种就是全面微机化的综合自动化变电站。
The substation is the connecting point of the line in the power network. It undertakes the functions of transforming voltage, transforming power, pooling and distributing power, and its operation directly affects the safety, reliability and economy of the entire power system. However, the pros and cons of a substation operation depends to a large extent on the performance of its secondary equipment. The existing substation has three forms: one is a conventional substation; one is a part of the realization of computer management, with a certain level of automation substation: There is another is a fully computerized integrated automation substation.