相变墙体的峰值负荷调节能力仿真与分析OA
Simulation and analysis of the peak load regulation capability of phase change walls
利用TRNSYS软件对相变墙体的峰值负荷调节能力进行模拟分析,并以湖南某高校图书馆为研究对象,构建并验证相变墙体的传热模型,通过仿真分析不同预冷参数下的运行效果,评估电价结构和气候条件对相变墙体负荷调节能力的影响.结果表明,与基准策略相比,23℃预冷3 h的方案可以实现46.64%的削峰效果,全天累计用电量降低4.94%;峰谷价差比越大,预冷策略的经济性越强.该策略在夏热冬暖地区具有较好的适用性,而在温和或严寒气候区的节能效果相对有限.研究成果可为相变墙体的运行优化与区域推广提供参考.
The peak load regulation capacity of the phase change wall is simulated and analyzed by using TRNSYS software.Taking the library of a certain university in Hunan as the research object,the heat transfer model of the phase change wall is constructed and verified.Through simulation analysis of the operation effect under different pre-cooling parameters,the influence of electricity price structure and climatic conditions on the load regulation capacity of the phase change wall is evaluated.The results show that compared with the benchmark strategy,the scheme of pre-cooling at 23℃for 3 h can achieve a peak shaving effect of 46.64%and the cumulative electricity consumption throughout the day decreased by 4.94%.The greater the peak-valley price difference ratio,the stronger the economic efficiency of the pre-cooling strategy.This strategy has good applicability in hot summer and warm winter regions,but its energy-saving effect is relatively limited in mild or severe cold climate zones.The research results can provide references for the operation optimization and regional promotion of phase change walls.
杨添会;刘泽华;袁琛;谢丹;王斌
南华大学土木工程学院,湖南 衡阳 421001南华大学土木工程学院,湖南 衡阳 421001南华大学土木工程学院,湖南 衡阳 421001南华大学土木工程学院,湖南 衡阳 421001南华大学土木工程学院,湖南 衡阳 421001
土木建筑
相变墙体需求响应预冷策略电价结构不同气候带
phase change wallsdemand responsepre-cooling strategyelectricity pricing structuredifferent climate zones
《节能》 2025 (10)
15-19,5
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