一种比较发光二极管(LED)和荧光灯热性能的简单方法

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition Pub Date : 2009-03-21 DOI:10.1109/APEC.2009.4802648

Y. Qin, D. Lin, S. Hui

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引用次数: 48

摘要

提出了一种简单的方法来测量led和荧光灯在允许光能逸出的开放系统中的散热。在此基础上，对高亮度led和荧光灯的热性能和发光性能进行了对比研究。在额定功率下，T5和T8荧光灯产生约73% - 77%的总功率为热量，而三种类型的高亮度led消耗约87%至90%的输入功率为热量。当考虑整体能源效率时，散热是一个重要的因素，特别是对于空调建筑。在本研究中，T5荧光灯在光效和发热量方面都优于现有的一些led。

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A Simple Method for Comparative Study on the Thermal Performance of Light Emitting Diodes (LED) and Fluorescent Lamps

A simple method is proposed to measure the heat dissipation of LEDs and fluorescent lamps in an open system which allows light energy to escape. Based on this method, a comparative study on the thermal and luminous performance of high-brightness LEDs and fluorescent lamps is presented. At rated power, T5 & T8 fluorescent lamps generate about 73% - 77% of their total power as heat, whilst three types of high-brightness LEDs dissipate about 87% to 90% of input power as heat. Heat dissipation is an important factor particularly for air-conditioned buildings when overall energy efficiency is considered. T5 fluorescent lamps perform better than some existing LEDs in terms of luminous efficacy and heat generation in this study.

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2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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