PFC Control for LED Lamp Driver Using Sensorless Predictive Current Controller

M. S. Zaky, H. Z. Azazi, E. Touti

Abstract


Light-emitting diodes (LEDs) have recently become of utmost significance to replace conventional lighting sources. Power factor correction (PFC) control of LED lamps requires three sensors which cause more cost, increase time delay, and increase noise, thus reducing drive reliability. Alternative methods to estimate the inductor current instead of its measurement are mandatory. This paper proposes a sensorless predictive current controller to enhance power factor (PF) of LED lamp driver and reduce driver cost. The inductor current is estimated instead of employing current sensor relying on measured input and output voltages. Zero-crossing detector is utilized to accomplish robust performance during distorted supply voltage. The controller and power circuit are isolated. The control algorithm employs a two-loop control to achieve a high PF with sinusoidal input current. Rapid speed performance is accomplished. The influences of PFC on input current value, PF and harmonic orders are presented. A prototype LED lamp driver with the suggested PFC structure is tested practically by a digital signal processor (DSP) DS1104 platform to validate its effectiveness. Experimental tests under various working conditions are provided to prove the usefulness of the suggested PFC control.


Keywords


LED lamp; power factor correction; sensorless control; predictive control; DC/DC converter

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References


E. F. Schubert, Light-Emitting Diodes, E. Fred Schubert, 2006

A. Zukauskas, M. S. Shur, R. Gaska, Introduction to Solid-State Lighting, Wiley, pp. 79-82, 2002

C. C. Wang, K. H. Wu, Y. C. Liu, C. Y. Yang, M. M. Alam, Y. K. Lo, H. J. Chiu, “Study and implementation of an improved power factor alternating-current-light emitting diode driver”, IET Power Electronics, Vol. 8, No. 7, pp. 1156-1163, 2015

C. Moo, Y. Chen, W. Yang, “An efficient driver for dimmable LED lighting”, IEEE Transactions on Power Electronics, Vol. 27, No. 11, pp. 4613-4618, 2012

J. C. Lam, P. K. Jain, “Isolated AC/DC Offline High Power Factor Single-switch LED Drivers without Electrolytic Capacitors”, IEEE Journal of Emerging and Selected Topics in Power Electronics ,Vol. 3, No. 3, pp. 679-690, 2015

S. W. Lee, H. L. Do, “A Single-Switch AC-DC LED Driver Based on a Boost-Flyback PFC Converter with Lossless Snubber”, IEEE Transactions on Power Electronics, Vol. 32, No. 2, pp. 1375-1384, 2017

U. Anwar, D. Maksimovic, K. K. Afridi, “A simple control architecture for four-switch buck-boost converter based power factor correction rectifier”, IEEE 18th Workshop on Control and Modeling for Power Electronics, Stanford, USA, July 9-12, 2017

H. Wu, S. C. Wong, C. K. Tse, S. Y. Ron Hui, Q. Chen, “Single-Phase LED Drivers with Minimal Power Processing, Constant Output Current, Input Power Factor Correction, and without Electrolytic Capacitor”, IEEE Transactions on Power Electronics, Vol. 33, No. 7, pp. 6159-6170, 2017

Hewlett-Packard, Compliance Testing to the IEC 1000-3-2 (EN 61000-3-2) and IEC 1000-3-3 (EN 61000-3-3) Standards, Application Note 1273, Hewlett Packard Co., 1995

C. Trujillo, G. Henao, J. Castro, A. Narvaez, “Design and development of a LED Driver prototype with a Single-Stage PFC and low current harmonic distortion”, IEEE Latin America Transactions, Vol. 15, No. 8, pp. 1368-1375, 2017

D. C. Lu, “High Voltage Stress in Single-Phase Single-Stage PFC Converters: Analysis and an Alternative Solution”, IEEE Transactions on Power Electronics, Vol. 63, No. 1, pp. 133-143, 2016

H. L. Cheng, Y. N. Chang, C. A. Cheng, C. H. Chang, Y. H. Lin, “High-power-factor dimmable LED driver with low-frequency pulse-width modulation”, IET Power Electronics, Vol. 9, No. 10, pp. 2139-2146, 2016.

J. B. Baek, S. Chae, “Single-Stage Buck-Derived LED Driver With Improved Efficiency and Power Factor Using Current Path Control Switches”, IEEE Transactions on Industrial Electronics, Vol. 64, No. 10, pp. 7852-7861, 2017

B. White, H. Wang,Y. F. Liu, X. Liu, “An Average Current Modulation Method for Single-Stage LED Drivers With High Power Factor and Zero Low-Frequency Current Ripple”, IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 3, No. 3, pp. 714-731, 2015

W. Zhang, G. Feng, Y. F. Liu, B. Wu, “New digital control method for power factor correction”, IEEE Transactions on Industrial Electronics, Vol. 53, No. 3, pp. 987-990, 2006

J. Chen, A. Prodic, R. W. Erickson, D. Maksimovic, “Predictive digital current programmed control”, IEEE Transactions on Power Electronics, Vol. 18, No. 1, pp. 411-419, 2003

C. W. Clark, F. Musavi, W. Eberle, “Digital DCM Detection and Mixed Conduction Mode Control for Boost PFC Converters”, IEEE Transactions on Power Electronics, Vol. 29, No. 1, pp. 347-355, 2016

S. Bibian, H. Jin, “High performance predictive deadbeat controller for DC power supplies”, IEEE Transactions on Power Electronics, Vol. 17, No. 3, pp. 420-427, 2002

A. P. Finazzi, L. C. de Freitas, J. B. Vieira, E. A. A. Coelho, V. J. Farias, L. G. Freitas, “Current-sensorless PFC boost converter with preprogrammed control strategy”, IEEE International Symposium on Industrial Electronics, Gdansk, Poland, June 27-30, 2011

K. I. Hwu, H. W. Chen, Y. T. Yau, “Fully-digitalized implementation of PFC rectifier in CCM without ADC”, 26th Annual IEEE Applied Power Electronics Conference and Exposition, Fort Worth, USA, March 6-11, 2011

F. J. Azcondo, A. de Castro, V. M. Lopez, O. Garcia, “Power factor correction without current sensor based on digital current rebuilding”, IEEE Transactions on Power Electronics, Vol. 25, No. 6, pp. 1527-1536, 2010

J. W. Kimball, P. T. Krein, “A current-sensorless digital controller for active power factor correction control based on Kalman filters”, 23rd Annual IEEE Applied Power Electronics Conference and Exposition, Austin, USA, February 24-28, 2008

D. Gacio, J. M. Alonso, A. J. Calleja, J. Garcia, M. Rico-Secades, “A Universal-Input Single-Stage High-Power-Factor Power Supply for HB-LEDs Based on Integrated Buck-Flyback Converter”, 24th Annual IEEE Applied Power Electronics Conference and Exposition, Washington, DC, USA, February 15-19, 2009




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