NDLI: Input voltage controlled full-bridge series resonant converter for LED driver application

Content Provider	IET Digital Library
Author	Kolla, Hemasundara Rao Vishwanathan, Neti Murthy, Bhagwan K.
Abstract	In this study, a phase shift controlled full-bridge series resonant converter (SRC) integrated with buck converters for light-emitting diode (LED) driver application is proposed. This LED driver supplies four LED loads simultaneously. The current through LED loads is controlled by phase shift control of the SRC, and its output is added to the input voltage. Zero-voltage switching (ZVS) switching of all the switches is achieved by operating the SRC at lagging power factor for all input voltage variations. As the only part of the output power is processed through the SRC and all the switches operating with ZVS, the efficiency of the converter is 95.7%, which is high. A 142 W LED driver is designed, and its performance is tested with PSPICE simulations and experimental prototype.
Starting Page	4532
Ending Page	4541
Page Count	10
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 19, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2020.0554
Journal	IET Power Electronics
Publisher Date	2021-01-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Buck Converter Control of Electric Power System Driver Circuit Full-bridge Series Resonant Converter Input Voltage Variations LED Driver Application LED Driver Supplies LED Load Light Emitting Diode Light-emitting Diode Phase Shift Control Power 142.0 W Power Converter Power Electronics Power Factor Power Supplies to Apparatus Power Supply Resonant Power Converter Spice SRC Supervisory Circuit Switching Converter Voltage Control Zero Voltage Switching Zero-voltage Switching Switching
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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