Large power transformer is one of the most important and expensive equipment in the power system, its operation statements has a direct impact on the power system security.

大型电力变压器是电力系统最重要和最昂贵的设备之一，其运行状态直接影响系统的安全性。

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Large power transformer is one of the most important and expensive equipment in the power system, its operation statements has a direct impact on the power system security.

大型电力变压器是电力系统最重要和最昂贵的设备之一，其运行状态直接影响系统的安全性。

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