摘要
针对程控机房全年具有冷负荷的特点,研究了全国范围新风冷源的利用问题.给出了新风供冷的系统形式和运行策略.采用当量指标法将全国分成7个区域,计算了各区域新风利用的当量小时数.计算了20个主要城市的程控机房利用新风冷源的节能量和所需费用.分析了全国新风冷源的分布情况.结果表明哈尔滨当量小时为5 425h,可节电248 235kWh/a,节电率为24.8%.当量指标法可衡量各地区新风冷源的优劣,为采用新风冷源方案进行节能改造提供帮助.采用新风冷源方案对程控机房进行改造,节能率小于20%的只有2个城市,而大于40%的有4个城市.绝大部分城市节能率在20%～40%,节能量相当可观.
The issues of fresh air-cooling resources use for communication room which has cooling load through all year in China were analyzed.The system and operation sequence were given.The equivalent index method was applied to dividing China into 7 zones.The equivalent hours of fresh air-cooling was calculated in every zone.The energy-saving and investment cost were given for communication rooms of 20 main cities in China.The distribution of fresh air-cooling resources was analyzed.The results show that the equivalent hours are 5 425 h in Harbin and 248 235 kWh/a is saved,electricity saving rate is 24.8%.The equivalent index method can evaluate the quality of fresh air-cooling resources and help to make a retrofit plan using fresh air-cooling.When communication room was retrofitted by fresh air-cooling,energy-saving rates of 2 cities are 20% and those of 4 cities are 40%,and those of most parts are between 20%-40% and energy-saving is considerable.
出处
《大连理工大学学报》
EI
CAS
CSCD
北大核心
2011年第2期250-254,共5页
Journal of Dalian University of Technology
基金
国家自然科学基金资助项目(51078053)
"十一五"国家科技支撑计划资助项目(2006BAJ01A09)
关键词
程控机房
新风冷源
节能利用
区域划分
当量指标
communication room
fresh air-cooling resources
energy-saving and usage
zone division
equivalent index
