Light & Engineering 31 (4)

Volume 31
Date of publication 08/10/2023
Pages 40–49

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Design and Performance Evaluation of an Automatic Dimmable Fault-Adaptive LED Driver Circuit L&E, Vol.31, No.4, 2023

Articles authors:

Vishwanath Gupta, Biswarup Basak, Biswanath Roy

Vishwanath Gupta, M. E. He received his B. E. in Electrical Engineering from the BESU, Shibpur in 2010 and his M. E. in Illumination Engineering from the Jadavpur University in 2012. He is currently doing research on LED driver technology. He is an Associate Member of Institution of Engineers, India. His area of study is lighting control and power electronics

Biswarup Basak, Ph. D. He has recently retired from the Electrical Engineering Department of Indian Institute of Engineering Science and Technology, Shibpur, India. He is a Fellow of the Institution of Engineers (India) and Indian Society of Lighting Engineers and a Member of the Solar Energy Society of India and Indian Society of Technical Education. His research interests include electrical machines and drives, power electronics, and nonlinear dynamics

Biswanath Roy, Ph. D. He is associated with the Electrical Engineering Department of Jadavpur University since 2000 as a faculty of Illumination Engineering. He completed Ph. D. (Engg.) in the field of daylighting in 1999 from the Jadavpur University after having M. Sc. (Tech.) in Optics and Optoelectronics from the Department of Applied Physics in 1993 and B. Sc. (Hons.) in Physics in 1989, both from the University of Calcutta. He is a Life Fellow of Indian Society of Lighting Engineers (ISLE), a Life Member of the IEI – The Institution of Engineers (India)

Abstract:

In this paper, an automatic, fault-adaptive, and dimmable LED driver circuit and LED lamp module is designed and simulated. The designed LED driver can automatically operate and dim (18–72) W LED modules assembled with unknown series-parallel combination of 3 W LED chips on universal AC input (Vrms=(90–265) V, 50/60 Hz). The unique feature of the modelled LED driver circuit is its ability to monitor and detect failure of any connected LED chip and then adapt to provide optimised light output from the LED modules under faulty conditions. The proposed LED driver circuit and LED lamp module are simulated in MATLAB Simulink environment to evaluate the electrical performance. The operation of the simulated LED driver circuit from 100 % to 30 % of rated light output and during occurrence of fault is satisfactory and in compliance with IEC61000–3–2:2014 and IEEE Standard P1789. Input power factor of the simulated LED driver ranges from 0.74 to 0.99, THD from 3.33 % to 30.63 %, and output current ripple from 4.6 % to 20 % under operation of all connected LED modules.

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Keywords

DOI: https://doi.org/10.33383/2022-062

Article in RUS:
Svetotekhnika, 2023, # 2, pp. 46–53

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