平板型光伏太阳能热泵热水系统性能模拟分析
摘要:为了研究光伏太阳能热泵热水系统的相关性能,针对该系统的结构特点,运用集总参数法分别建立了光伏/蒸发器、压缩机、冷凝器、电子膨胀阀的稳态数学模型。通过所建的模型分析了光伏太阳能热泵热水系统在不同的环境温度、太阳辐射强度、风速以及压缩机转速下的光电、光热输出特性的变化规律;并以南京地区为例,将光伏太阳能热泵热水系统与传统直膨式太阳能热泵热水系统、无冷却的太阳能光伏系统对比。结果显示,光伏太阳能热泵系统较太阳能光伏系统的全年发电量提高了31.5%;光伏太阳能热泵系统的全年平均热电综合性能系数可达到8.83,远高于传统太阳能热泵系统的性能系数。
Abstract:The lumped parameter method was introduced to build the steady state models of photovoltaic solar assisted-heat pump water heater (PV-SAHP) system, so as to study the performance of photovoltaic solar heat pump hot water system. The models, covering PV evaporator, compressor,condenser, electronic expansion valve, were used to analyze the changes of electrical efficiency and thermal efficiency with varying environmental temperature, solar radiation, wind speed and compressor capacity. Based on the meteorological data in Nanjing, the performance of proposed PV-SAHP system was compared with that of traditional direct expansion solar assisted-heat pump water heating (DX-SAHP) system and PV system. The results show that the annual power generation of PV-SAHP system is more than that of DX-SAHP system by 31.5%; the average coefficient of performance of PV/T-SAHP system can reach 8.83, considerably higher than that of SAHP system.
标题:平板型光伏太阳能热泵热水系统性能模拟分析
title:Performance Simulation of Photovoltaic Solar Assisted-Heat Pump Water Heating System
作者:葛晓慧, 徐亮, 张雪松, 赵波, 董科枫, 李舒宏
authors:GE Xiaohui, XU Liang, ZHANG Xuesong, ZHAO Bo, DONG Kefeng, LI Shuhong
关键词:光伏太阳能热泵,性能模拟,全年状况,
keywords:PV-SAHP,performance simulation,all year round status,
发表日期:2016-12-28
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