Design and Implementation of a Single-Stage Driver for Supplying an LED Street-Lighting Module With Power Factor Corrections

This paper proposes a novel single-stage light-emitting diode (LED) driver for street-lighting applications with power factor corrections (PFC). The presented driver integrates a modified bridgeless PFC ac-dc converter with a half-bridge-type LLC dc-dc resonant converter into a single-stage conversi...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2015-02, Vol.30 (2), p.956-966
Main Authors: Cheng, Chun-An, Chang, Chien-Hsuan, Chung, Tsung-Yuan, Yang, Fu-Li
Format: Article
Language:English
Subjects:
AC-DC converters
Capacitors
Converter
Diodes
Electric currents
Electric potential
Energy efficiency
High intensity discharge lamps
Inductors
Light emitting diodes
light-emitting diode (LED)
Modules
Power factor
power factor correction (PFC)
Power supply
street lighting
Supplying
Switches
Voltage
Voltage control
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Summary:This paper proposes a novel single-stage light-emitting diode (LED) driver for street-lighting applications with power factor corrections (PFC). The presented driver integrates a modified bridgeless PFC ac-dc converter with a half-bridge-type LLC dc-dc resonant converter into a single-stage conversion circuit topology. The proposed ac-dc resonant driver provides input current shaping, and it offers attributes of lowered switching losses to the soft-switching functions obtained on two power switches and two output-rectifier diodes. The proposed driver features cost-effectiveness, high circuit efficiency (>92%), high power factor (>0.99) and low input current total harmonics distortion (
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2014.2312024