Design of Dimmable Light Emitting Diode Driver for Low Power Applications
Abstract
High-brightness light emitting diodes (HB-LED) are used in various applications in preference to conventional light bulbs due tofollowing merits: eco-friendly nature, high luminous efficacy, prolonged life, compactness and low heat dissipation. This workpresents the boost converter fed dimmable light emitting diode where illumination control is required. The proposed work usespulse width modulated (PWM) controlled switch in series with LED load to control the illumination level by adjusting the pulsewidth. The closed loop control is designed in Matlab/Simulink to regulate the load voltage. This paper first illustrates in detailthe basic operation of the converter and dimming control and then provides the simulation results with different illuminationlevels to demonstrate the effectiveness of converter and controller.References
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(IJRER) 7 (1) (2017) 157–169.
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[12] R. R. Udumula, B. Narasimharaju, A. Md, Voltage mode control dcm
hsd-cib pfc converter for hb-led lighting applications, Journal of Power
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dual-output led driver, IEEE Transactions on Power Electronics 32 (10)
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switched full-bridge light emitting diode driver configuration for street
lighting application, IET Power Electronics 11 (1) (2017) 149–159.
[2] U. Ramanjaneya Reddy, B. Narasimharaju, Unity power factor buckboost
led driver for wide range of input voltage application, in: 2015
Annual IEEE India Conf.(INDICON), 2015, pp. 1–6.
[3] H.-J. Chiu, Y.-K. Lo, J.-T. Chen, S.-J. Cheng, C.-Y. Lin, S.-C. Mou, A
high-efficiency dimmable led driver for low-power lighting applications,
IEEE Transactions on Industrial Electronics 57 (2) (2009) 735–743.
[4] U. R. Reddy, B. L. Narasimharaju, Single-stage electrolytic capacitor
less non-inverting buck-boost pfc based ac–dc ripple free led driver,
IET Power Electronics 10 (1) (2017) 38–46.
[5] S. Wang, X. Ruan, K. Yao, S.-C. Tan, Y. Yang, Z. Ye, A flicker-free electrolytic
capacitor-less ac–dc led driver, IEEE Transactions on Power
Electronics 27 (11) (2011) 4540–4548.
[6] B. L. Narasimharaju, U. R. Reddy, R. Dogga, Design and analysis of
voltage clamped bidirectional dc–dc converter for energy storage applications,
The Journal of Engineering 2018 (7) (2018) 367–374.
[7] U. Ramanjaneya Reddy, B. Narasimharaju, Improved efficiency coupled
inductor-buck ac-dc light emitting diode (led) driver, IEICE Electronics
Express 13 (16) (2016) 20160626–20160626.
[8] R. Reddy, B. Narasimharaju, Enhanced closed loop voltage control of
buck converter for improved performance, in: IEEE Annual IEEE India
Conference (INDICON), 2014, pp. 1–5.
[9] C.-A. Cheng, H.-L. Cheng, F.-L. Yang, C.-W. Ku, Single-stage driver
for supplying high-power light-emitting-diodes with universal utility-line
input voltages, IET Power Electronics 5 (9) (2012) 1614–1623.
[10] U. R. Reddy, B. Narasimharaju, High step-down dual output light emitting
diode driver, International Journal of Renewable Energy Research
(IJRER) 7 (1) (2017) 157–169.
[11] B. Singh, V. Bist, A pfc based bldc motor drive using a bridgeless zeta
converter, in: IECON 2013-39th Annual Conference of the IEEE Industrial
Electronics Society, IEEE, 2013, pp. 2553–2558.
[12] R. R. Udumula, B. Narasimharaju, A. Md, Voltage mode control dcm
hsd-cib pfc converter for hb-led lighting applications, Journal of Power
Technologies 98 (4) (2018) 305–313.
[13] K. Hwu, Y. Yau, L.-L. Lee, Powering led using high-efficiency sr flyback
converter, IEEE Transactions on Industry Applications 47 (1) (2010)
376–386.
[14] U. R. Reddy, B. Narasimharaju, A cost-effective zero-voltage switching
dual-output led driver, IEEE Transactions on Power Electronics 32 (10)
(2016) 7941–7953.
Published
2019-09-25
How to Cite
U, Ramanjaneya reddy; KOPPOLU, Kalyan Kumar.
Design of Dimmable Light Emitting Diode Driver for Low Power Applications.
Journal of Power Technologies, [S.l.], v. 99, n. 3, p. 204–209, sep. 2019.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1564>. Date accessed: 21 nov. 2024.
Issue
Section
Power Converters
Keywords
Light emitting diode, Pulse width modulation, boost converter, closed loop control, illumination
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