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。
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.
出处
《暖通空调》
北大核心
2004年第7期78-80,共3页
Heating Ventilating & Air Conditioning
关键词
地铁
集中供冷系统
二次冷水泵
变频
EMCS
underground railway, central cooling system, large temperature difference, secondary chilled water pump, variable frequency, electrical and mechanical control system
