太阳能PV/T光储直驱热电联产系统性能

doi:10.16085/j.issn.1000-6613.2022-1467

化工进展 ›› 2023, Vol. 42 ›› Issue (6): 2895-2903.DOI: 10.16085/j.issn.1000-6613.2022-1467

太阳能PV/T光储直驱热电联产系统性能

张东¹^,²(), 刘鹏飞¹^,², 刘春阳¹^,², 侯刚¹^,², 惠博³, 安周建¹

^1.兰州理工大学能源与动力工程学院，甘肃兰州 730050
^2.甘肃省生物质能与太阳能互补供能系统重点实验室，甘肃兰州 730050
^3.兰州兰石换热设备有限责任公司，甘肃兰州 730050

收稿日期:2022-08-05 修回日期:2022-11-28 出版日期:2023-06-25 发布日期:2023-06-29
通讯作者: 张东
作者简介:张东（1985—），男，副教授，硕士生导师，研究方向为太阳能热泵供能系统。E-mail: zhdlgn@126.com。
基金资助:
国家自然科学基金(51806093);甘肃省重点研发计划(22YF7GA162);甘肃省教育厅产业支撑计划(2021CYZC-27);兰州理工大学红柳优秀青年教师支持计划(201809)

Performance analysis of solar PV/T photovoltaic energy storage direct drive CHP system

ZHANG Dong¹^,²(), LIU Pengfei¹^,², LIU Chunyang¹^,², HOU Gang¹^,², HUI Bo³, AN Zhoujian¹

^1.School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
^2.Gansu Key Laboratory of Biomass and Solar Complementary Energy Supply System, Lanzhou 730050, Gansu, China
^3.Lanzhou Lanshi Heat Exchange Equipment Limited Company, Lanzhou 730050, Gansu, China

Received:2022-08-05 Revised:2022-11-28 Online:2023-06-25 Published:2023-06-29
Contact: ZHANG Dong

摘要/Abstract

摘要：

面对居民日益增长的生活热水和电能需求，光伏/光热（photovoltaic/thermal，PV/T）技术的应用可以降低建筑运行时的能源消耗。本文介绍了一种太阳能PV/T光储直驱热电联产（combined heat and power，CHP）系统，为了减少系统运行过程中的能量损失，采用直流压缩机和储能电池，并在兰州地区对系统的运行性能开展了实验测试。研究结果表明，PV/T系统的光伏板温度相比传统PV组件温度平均降低12.26℃，平均发电效率相对提升8.1%。在将24.4~27.2℃的水加热到50.1~50.7℃的过程中，平均性能系数（coefficient of performance，COP）可达到5.48，相比传统空气源热泵热水器提高82.1%~106.8%。平均集热效率和综合效率分别为37.30%和71.24%，PV/T系统的发电量和耗电量分别为3.33kWh和1.69kWh，发电量相比PV系统提高5.7%。太阳能PV/T光储直驱热电联产系统可以减少建筑部门的能源消耗，并提升PV/T系统的发电效率和综合效率，在晴天条件下可以实现离网运行。

关键词: 光伏/光热, 直驱, 热电联产, 发电效率, 集热效率

Abstract:

In the face of the growing domestic hot water and electric energy demand of residents, the application of PV/T technology can reduce the energy consumption during building operation. In this paper, a solar PV/T photovoltaic energy storage direct drive CHP system was introduced. In order to reduce energy loss during system operation, direct current compressor and energy storage battery were used, and the operation performance of the system was tested in Lanzhou. The results showed that the PV panel temperature of the PV/T system was on average 12.26℃ lower than that of the traditional PV module, and the average power generation efficiency was relatively increased by 8.1%. In the process of heating water from 24.4—27.2℃ to 50.1—50.7℃, the average COP could reach 5.48, which was 82.1% to 106.8% higher than that of the traditional air source heat pump water heater. The average heat collection efficiency and comprehensive efficiency were 37.30% and 71.24% respectively, the power generation and consumption of the PV/T system were 3.33kWh and 1.69kWh respectively, and the power generation was 5.7% higher than that of PV system. In general, solar PV/T photovoltaic energy storage direct drive CHP system could decrease energy consumption of the construction sector, improved the power generation efficiency and comprehensive efficiency of the PV/T system, and realized off grid operation under sunny conditions.

Key words: photovoltaic/thermal (PV/T), direct drive, combined heat and power (CHP), power generation efficiency, heat collection efficiency

中图分类号:

TK519

张东, 刘鹏飞, 刘春阳, 侯刚, 惠博, 安周建. 太阳能PV/T光储直驱热电联产系统性能[J]. 化工进展, 2023, 42(6): 2895-2903.

ZHANG Dong, LIU Pengfei, LIU Chunyang, HOU Gang, HUI Bo, AN Zhoujian. Performance analysis of solar PV/T photovoltaic energy storage direct drive CHP system[J]. Chemical Industry and Engineering Progress, 2023, 42(6): 2895-2903.

图/表 12

参考文献 24

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仪器名称	仪器型号	范围和精度
太阳能辐射仪	TRT-2	0~2000W/m²，±2%
环境温湿度传感器	RS-WS-V10-BYH	-40~80℃，±0.5℃；0~100% 湿度（RH），±3%RH
温度传感器	PT100 铂电阻	-50~250℃，A级，±0.1℃
风速仪	EA-A1	0~3.75m/s，±1%
水箱温度传感器	PT100 铂电阻	0~200℃，A级，±0.1℃
制冷剂流量计	LWGY-DN4	0.02~0.4m³/h，±0.2%
压力传感器	VP621	低压: 0~1.8MPa；高压: 0~3.8MPa，0.5%（满量程误差）
直流电流传感器	WBI022F21	0~30A，±1%
直流电压传感器	WBV342U01-S	0~100V，±0.2%

仪器名称	仪器型号	范围和精度
太阳能辐射仪	TRT-2	0~2000W/m²，±2%
环境温湿度传感器	RS-WS-V10-BYH	-40~80℃，±0.5℃；0~100% 湿度（RH），±3%RH
温度传感器	PT100 铂电阻	-50~250℃，A级，±0.1℃
风速仪	EA-A1	0~3.75m/s，±1%
水箱温度传感器	PT100 铂电阻	0~200℃，A级，±0.1℃
制冷剂流量计	LWGY-DN4	0.02~0.4m³/h，±0.2%
压力传感器	VP621	低压: 0~1.8MPa；高压: 0~3.8MPa，0.5%（满量程误差）
直流电流传感器	WBI022F21	0~30A，±1%
直流电压传感器	WBV342U01-S	0~100V，±0.2%

测试参数	不确定度/%
空气温度/℃	0.5
空气湿度/%	3
管道压力/MPa	0.5
太阳辐射强度/W·m^-2	2
风速/m·s^-1	1
制冷剂流量/m³·h^-1	0.2
光热效率/%	2.46
光电效率/%	2.24
制热量/W	1.01
COP	1.43

测试参数	不确定度/%
空气温度/℃	0.5
空气湿度/%	3
管道压力/MPa	0.5
太阳辐射强度/W·m^-2	2
风速/m·s^-1	1
制冷剂流量/m³·h^-1	0.2
光热效率/%	2.46
光电效率/%	2.24
制热量/W	1.01
COP	1.43

系统类型	测试时间	板温/℃	发电效率/%	发电功率/W	发电量/kWh	耗电量/kWh	COP	集热效率/%	综合效率/%
PV系统	08:00~16:30	65.96	12.64	370.51	3.15	—	—	—	—
PV/T系统	08:00~16:30	53.70	13.67	392.07	3.33	1.69	5.48	37.30	71.24

太阳能PV/T光储直驱热电联产系统性能

Performance analysis of solar PV/T photovoltaic energy storage direct drive CHP system

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