使用导热背板降低光伏组件的工作温度:地点依赖性

A. Pavgi, Jaewon Oh, G. Kelly, G. Tamizhmani
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引用次数: 2

摘要

光伏(PV)封装材料会影响组件的工作温度。本文比较了导热背片(TCB)与基准telar -聚酯- telar (TPT)背片的热性能。在本研究中,具有TCB_A和TCB_B的9单元模块通常在低风速的沙漠气候条件下工作在较低的单元温度下,而TCB_C和TCB_D模块在较低的背板温度下工作,但在温带气候条件下的单元温度几乎相同。具有导热背板的模块的标称工作电池温度(NOCT)低于TPT,温差高达2℃。与TPT相比,所有tcb都具有更高的导热系数。与TPT相比,tcb的性能可以更好、更差或相同,这取决于动态现场条件。本文只介绍了背板的热工性能,并没有提供这些背板的可靠性和耐久性的任何数据。
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Reduction of Operating Temperatures of PV Modules using Thermally Conductive Backsheets: Site Dependence
Photovoltaic (PV) packaging materials impact the module operating temperatures. This paper compares the thermal performance of thermally conductive backsheets (TCB) with the benchmark tedlar-polyester-tedlar (TPT) backsheet. In this work, the nine-cell modules with TCB_A and TCB_B typically operate at lower cell temperatures under desert climatic conditions with low wind speed whereas TCB_C and TCB_D modules operate at lower backsheet temperatures but at almost similar cell temperatures under temperate climatic conditions. The Nominal Operating Cell Temperature (NOCT) of modules with thermally conductive backsheet is lower than TPT with a temperature difference as high as 2 °C. All TCBs have higher thermal conductivity values as compared to TPT. TCBs can perform better, worse or equal compared to TPT depending on the dynamic site conditions. This paper presents only the thermal performance of backsheets and does not present any data on reliability and durability of these backsheets.
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