基于实测的水蓄冷系统优化运行策略节能性分析

Energy Saving Analysis of Optimal Operation Strategy of Water Storage System Based on Actual Measurement

以江苏省某能源站及周围建筑区域供冷系统为研究对象,对建筑供冷量、主机能耗进行了实测并对机组运行模式分析,得到了建筑冷负荷特性及实现系统节能运行的关键措施;并基于建筑冷负荷特性,提出了水蓄冷空调系统优化运行策略,该优化策略充分考虑主机性能与当地峰谷电价,使主机处于较高效率和较低电价时间段运行.结果表明,与现有运行策略相比,优化运行策略可以在供冷期节约3.4%的电量和12.4万元运行费用.

Taking an energy station and its surrounding building area cooling project in Jiangsu Province as the research object,the actual measurement of building cooling capacity and main engine energy consumption and the analysis of unit operation mode were carried out,and the characteristics of building cooling load and the advantages of water storage system were obtained.Based on the characteristics of cooling load and hourly cooling load,the optimal operation strategy of water storage air conditioning system was proposed,which fully considers the performance of the main engine and the local peak-valley price,making the main engine run in a period of high efficiency and low price.The results show that compared with the existing operation strategy,the optimized operation strategy can save 3.4% electricity and 124,000 yuan of operation costs in refrigeration season.