This method can detect not only faults in primary substation, but also fault area in radial line between the primary substation and the secondary one (or switching station).
该方法不仅能够确定一级变电站的故障线路，而且能够在一级变电站与二级变电站(或开闭站)之间的辐射状线路上确定故障区域。
Because of adopting electronics transformers and intelligence switches in digital substation, it is necessary to study a new method of voltage switching.
数字化变电站由于采用了电子互感器和智能开关，因此有必要研究新的电压切换方式。
It follows the operation pattern of substation system automatically and executes corresponding auto-switching scheme to ensure power supply continuous and reliable.
该装置能自动跟踪变电站系统的运行方式，执行相应的备自投方案，保证供电持续可靠。
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