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论述了托海水电厂与主电网110kV双回线连接前(110kV单回线),变压器零序保护选跳方式为适应电网结构而实施的方案。
This paper discusses the scheme before the 110kV double circuit line of the main power network (110kV single circuit) between Tuohao hydropower station and the main power grid and the zero-sequence protection of the transformer in the selection jump mode to adapt to the grid structure.