Light & Engineering 34 (4) 2026

Volume 4
Date of publication 08/20/2026
Pages 64–72

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Time Varying Conductance Model of a Low-Wattage Discharge Lamp L&E, Vol.34, No.4, 2026

Articles authors:

Sangita Sahana, Apurba Das, Prasanjit Ghosh Pranta

Sangita Sahana, Dr., Assistant Professor. She is currently working as Assistant Professor in the Illumination Engineering Section of Electrical Engineering Department, Jadavpur University, India. She received her Ph. D. (Eng.) in 2024 and completed M.E. Illumination Engineering & B.E. in Electrical Eng. from Jadavpur University, India. She is Life Member of the Indian Society of Lighting Engineers (ISLE)

Apurba Das had completed his Master Degree in Illumination Engineering from Jadavpur University and Bachelor's degree in Electrical Engineering from Academy of Technology, India

Prasanjit Ghosh Pranta has completed Master Degree M.E. Illumination Engineering & B.E. in Electrical Engineering from Jadavpur University, India

Abstract:

Although with the increasing demand for WLED (White Light Emitting Diode) lamps, the use of compact fluorescent lamps (CFLs) in the domestic sector has been reduced significantly, they are still used in developing countries due to their low cost and availability. A general lamp model for compact fluorescent lamps has been developed based on the Time Varying Conductance Model, which relies on an exponential component and corresponds to the input current waveform of the CFL lamp system. The ultimate generic model is subsequently verified with experimental data, obtained with CFL and simulated with Simulink and MATLAB. This model allows for analysis and simulation of different electrical waveforms to investigate the behaviour of low-power discharge lamps.

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Keywords

DOI: https://doi.org/10.33383/2026-014

Article in RUS:
Svetotekhnika # 3, 2026, pp. 76–82

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