Experimental Measurement of Harmonic Distortion and Electromagnetic Interferences For LED Lamps

A. Zeghoudi, A. Bendaoud, A. Tilmatine, M. Miloudi, H. Miloudi, L. Canale
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引用次数: 2

Abstract

The light-emitting diode (LED) lamp has been widely used in Algeria in recent years for a lighting system because of its low power consumption and high efficiency. However, LED lamps are nonlinear loads that cause harmonic distortion and electromagnetic interference in the power system. In this study, the experimental measurements of 4 LEDs Lamps sold in the Algerian market, the first is a good quality local lamp and the second is an Asian lamp of average quality and cheap with powers of 12 W, 13 W, 15 W. We used these lamps in order to measure the rate of harmonic distortion and the electromagnetic interference in common mode and differential mode. The aim of this work is to quantify the impact of variation the power and the brand of LED lamp on the THD and the power factor K at low frequency and also, electromagnetic interference in common and differential mode at high frequency.
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LED灯谐波畸变与电磁干扰的实验测量
发光二极管(LED)灯因其功耗低、效率高,近年来在阿尔及利亚被广泛应用于照明系统。然而,LED灯是非线性负载,在电力系统中会造成谐波畸变和电磁干扰。在本研究中,实验测量了阿尔及利亚市场上销售的4种led灯,第一种是质量良好的当地灯,第二种是平均质量和便宜的亚洲灯,功率分别为12w, 13w, 15w。我们使用这些灯来测量共模和差模下的谐波畸变率和电磁干扰。这项工作的目的是量化LED灯的功率和品牌变化对低频THD和功率因数K的影响,以及高频共模和差模下的电磁干扰。
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