【作者】 辛电波； 黄曙良； 孟建军； 张文强；

【Author】 Xin Dianbo;Huang Shuliang;Meng Jianjun;Zhang Wenqiang;Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.;

【机构】 青岛海信日立空调系统有限公司；

【摘要】 为了解决电网运行峰谷负荷差较大的问题,提出一种蓄能型多联式空调(热泵)系统,通过低谷时蓄冷或蓄热,高峰时释冷或释热,达到移峰填谷的效果。介绍蓄能型变频多联式空调(热泵)系统的运行原理及运行模式,对该系统在蓄冷与释冷、蓄热与释热除霜进行试验研究。结果表明:蓄能型VRF系统在释冷运行工况下制冷量比常规制冷工况提高45%左右,COP提高55%左右;在释热除霜运行模式下可缩短除霜周期,改善室内环境热舒适性;蓄能型VRF系统与常规制冷系统相比可节省电费38.7%。更多还原

【Abstract】 In order to solve the problem of large difference between peak and valley load of power grid operation,one energy storage multi-connected air-conditioning(heat pump) system is proposed,which reaches the shift effect of power peak through cold-storage or heat-storage at the valley and cold-release or heat-release at the peak.The operation principle and operation modes of the energy storage frequency conversion multi-connected air-conditioning(heat pump) system are introduced.The experimental study on this system under the various operating modes,such as cold-storage,cold-release,heatstorage,heat-release defrosting.The results show that compared with the conventional air-conditioning system,the cooling capacity of the energy storage VRF system is increased by 45%and the COP is increased by 55%under cold-release mode.The defrost time could be shorten under the heat-release defrosting mode,and the indoor thermal comfort could be improved.The electricity cost of the energy storage VRF system could be saved by 38.7%than conventional refrigeration system.更多还原