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Single phase positive output super-lift luo converter fed high power LED lamp with unity power factor and reduced source current harmonics

J. GNANAVADIVEL1,* , N. SENTHIL KUMAR1, C. N. NAGA PRIYA2, S. T. JAYA CHRISTA1, K. S. KRISHNA VENI1

Affiliation

  1. Electrical and Electronics Engineering Department, Mepco Schlenk Engineering College, Sivakasi, Tamilnadu, India
  2. Electrical and Electronics Engineering Department, Sri Vidya College of Engineering and Technology, Virudhunagar, Tamilnadu, India

Abstract

In this paper, a proposed single phase positive output super-lift Luo converter fed high power LED lamp for industrial lighting with improved power quality at input side has been presented. This converter boosts up the input voltage with high gain ratio. The proposed converter operates in continuous conduction mode. The design and simulation of 100 W LED driver is carried out in Matlab/Simulink platform with constant load voltage of 48V. Closed loop control incorporates outer voltage control and inner current control. A novel Adaptive Neuro Fuzzy Inference System (ANFIS) controller is proposed for voltage control, which tunes the Proportional and Integral (PI) parameters and Hysteresis controller is used in current loop. From the simulation results, it is found that the proposed LED lamp driver with controller combination gives the best result with a low total harmonic distortion and unity power factor with no peak-over shoot at rated condition. The proposed system is implemented in real time in order to validate the performance of the proposed system over a wide range of output power with improved power quality at AC mains using Xilinx Spartan-6 XC6SLX25 FPGA board..

Keywords

Adaptive Neuro Fuzzy Inference System, PI controller, Positive output super-lift Luo Converter, LED, Input Power Factor, Total Harmonic Distortion.

Submitted at: Dec. 10, 2015
Accepted at: Nov. 25, 2016

Citation

J. GNANAVADIVEL, N. SENTHIL KUMAR, C. N. NAGA PRIYA, S. T. JAYA CHRISTA, K. S. KRISHNA VENI, Single phase positive output super-lift luo converter fed high power LED lamp with unity power factor and reduced source current harmonics, Journal of Optoelectronics and Advanced Materials Vol. 18, Iss. 11-12, pp. 1007-1017 (2016)