技术中心

【英文篇名】 Application of central cooling system to Guangzhou Metro Line 2 【作者中文名】 付强; 【作者英文名】 By Fu Qiang Operation Department of Guangzhou Metro Company; Guangzhou; China; 【作者单位】 广州地铁总公司运营总部; 【文献出处】 暖通空调, Hv 集中供冷系统; 大温差; 二次冷水泵; 变频; EMCS; 【英文关键词】 underground railway; central cooling system; large temperature difference; secondary chilled water pump; variable frequency; electrical and mechanical control system; 【摘要】 广州地铁二号线 1 5个地下车站由 4个集中冷站提供空调冷水 ,集中供冷系统由三部分组成 ,采用大温差供冷 (供回水温度 7℃ /1 5℃ ) ,二次冷水泵采用变频控制。介绍了EMCS系统实现的功能及运行模式 【英文摘要】 Four central cooling stations supply chilled water for fifteen underground stations. The system consists of three parts, and supply and return water temperature is 7 ℃/15 ℃ and realizes cooling with large temperature difference, and frequency control on the secondary chilled water pumps is adopted. Presents functions and running modes of EMCS.