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水口水电厂２２０ｋＶ开关站一个半开关接线采用了当时国内外较为先进的继电保护装置，重点介绍了它在配置上的特点，并对设计、安装、调试中的一些值得商榷之处提出了看法。
One half-switch wiring of 220kV switchyard of Shuikou Hydropower Plant adopted the more advanced relay protection devices at home and abroad, especially introduced its characteristics in configuration and put forward some opinions on some debatable aspects in design, installation and debugging .