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法国主排水泵电控系统ＰＬＣ改造崔相杰张承磊王汝玲孔令英兖州矿务局东滩煤矿（山东２７３５１２）东滩煤矿是我国特大型现代化矿井，矿井垂深７８５ｍ，其主排水系统是我国第一家引进的排水设备。其控制功能和保护措施都比较完善，其中控制系统中有各种中间继电器和接触...
Transformation of main drainage pump electric control system in France CUI Xiang-jie ZHANG Cheng-lei WANG Ru-ling KONG Ling-ying Yanzhou Mining Bureau Dongtan Coal Mine (Shandong 273512) Dongtan Coal Mine is a large modernized mine in China with a vertical depth of 785m. Its main drainage system is the first imported Drainage. The control functions and protection measures are more perfect, in which the control system has a variety of intermediate relays and contacts ...