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http://dx.doi.org/10.6113/JPE.2016.16.4.1288

A Single-Stage LED Tube Lamp Driver with Input-Current Shaping for Energy-Efficient Indoor Lighting Applications  

Cheng, Chun-An (Department of Electrical Engineering, I-Shou University)
Chang, Chien-Hsuan (Department of Electrical Engineering, I-Shou University)
Cheng, Hung-Liang (Department of Electrical Engineering, I-Shou University)
Chung, Tsung-Yuan (Department of Electrical Engineering, I-Shou University)
Tseng, Ching-Hsien (Department of Electrical Engineering, I-Shou University)
Tseng, Kuo-Ching (Department of Electronic Engineering, National Kaohsiung First University of Science and Technology)
Publication Information
Journal of Power Electronics / v.16, no.4, 2016 , pp. 1288-1297 More about this Journal
Abstract
This study proposes a single-stage light-emitting diode (LED) tube lamp driver with input-current shaping for T8/T10-type fluorescent lamp replacements. The proposed AC-DC LED driver integrates a dual-boost converter with coupled inductors and a half-bridge series-resonant converter with a bridge rectifier into a single-stage power conversion topology. This paper presents the operational principles and design considerations for one T8-type 18 W-rated LED tube lamp with line input voltages ranging from 100 V rms to 120 V rms. Experimental results for the prototype driver show that the highest power factor (PF = 0.988), lowest input current total harmonic distortion (THD = 7.22%), and highest circuit efficiency (η = 92.42%) are obtained at an input voltage of 120 V. Hence, the proposed driver is feasible for use in energy-efficient indoor lighting applications.
Keywords
Converter; Driver; Light-emitting diode (LED);
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