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格尔木当地风沙大、高原降效等环境因素是制约换流站阀厅施工的重要因素,同时也严重影响阀厅内微正压环境的保证.本方案主要针对高原、大风沙等环境,研讨高原阀厅主体钢结构、围护结构(压型钢板)安装、空调系统和屏蔽接地系统的施工工艺,通过施工工艺改进和过程控制,实现了高原地区换流站阀厅的微正压环境、防电磁干扰环境,确保了全世界海拔最高的直流输电项目格尔木换流站的正常运行.
Golmud local wind and sand, the plateau reduction and other environmental factors is restricting the converter station valve hall construction of an important factor, but also seriously affect the valve hall within a slight positive pressure environment.The program mainly for plateau, sand and other environment, discuss the plateau Through the construction process improvement and process control, a slight positive pressure environment of the valve hall of the converter station in the plateau area has been realized. The anti-pressure environment of the valve hall of the converter station in the plateau area has been realized The electromagnetic interference environment ensures the normal operation of the Golmud converter station in the world’s highest DC transmission project.