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Analysis of the Input Current Distortion and Guidelines for Designing High Power Factor Quasi-Resonant Flyback LED Drivers

Author

Listed:
  • Claudio Adragna

    (Industrial & Power Conversion Division Application Laboratory, STMicroelectronics s.r.l, 20864 Agrate Brianza (MB), Italy)

  • Giovanni Gritti

    (Industrial & Power Conversion Division Application Laboratory, STMicroelectronics s.r.l, 20864 Agrate Brianza (MB), Italy)

  • Angelo Raciti

    (Istituto per la microelettronica e microsistemi, Consiglio Nazionale Delle Ricerche, 95121 Catania, Italy)

  • Santi Agatino Rizzo

    (Department of Electrical, Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

  • Giovanni Susinni

    (Department of Electrical, Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

Abstract

Nowadays, LED lamps have become a widespread solution in different lighting systems due to their high brightness, efficiency, long lifespan, high reliability and environmental friendliness. The choice of a proper LED driver circuit plays an important role, especially in terms of power quality. In fact, the driver controls its own input current in addition to the LED output current, thus it must guarantee a high power factor. Among the various LED drivers available on the market, the quasi-resonant (QR) flyback topology shows interesting benefits. This paper aims at investigating and analyzing the different issues related to the input current distortion in a QR flyback LED driver. Several effects, such as the distortion caused by the ringing current, crossover distortion due to transformer leakage inductance and crossover distortion due to the input storage capacitor have been experimentally reported. These effects, not previously studied for a high power factor (Hi-PF) QR flyback, have been analyzed in depth. Finally, some practical design guidelines for a Hi-PF QR flyback driver for LED applications are provided.

Suggested Citation

  • Claudio Adragna & Giovanni Gritti & Angelo Raciti & Santi Agatino Rizzo & Giovanni Susinni, 2020. "Analysis of the Input Current Distortion and Guidelines for Designing High Power Factor Quasi-Resonant Flyback LED Drivers," Energies, MDPI, vol. 13(11), pages 1-24, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2989-:d:369620
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    References listed on IDEAS

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    1. Mahmoud Nassary & Mohamed Orabi & Manuel Arias & Emad M. Ahmed & El-Sayed Hasaneen, 2018. "Analysis and Control of Electrolytic Capacitor-Less LED Driver Based on Harmonic Injection Technique," Energies, MDPI, vol. 11(11), pages 1-18, November.
    2. Tomoharu Yada & Yuta Katamoto & Hiroaki Yamada & Toshihiko Tanaka & Masayuki Okamoto & Tsuyoshi Hanamoto, 2018. "Design and Experimental Verification of 400-W Class LED Driver with Cooperative Control Method for Two-Parallel Connected DC/DC Converters," Energies, MDPI, vol. 11(9), pages 1-20, August.
    3. Yi-Chieh Hsu & Jing-Yuan Lin & Charlie Chung-Ping Chen, 2018. "Area-Saving and High-Efficiency RGB LED Driver with Adaptive Driving Voltage and Energy-Saving Technique," Energies, MDPI, vol. 11(6), pages 1-12, June.
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    Cited by:

    1. Claudio Adragna & Giovanni Gritti & Santi Agatino Rizzo & Giovanni Susinni, 2021. "Distortion Due to the Zero Current Detection Circuit in High Power Factor Quasi-Resonant Flybacks," Energies, MDPI, vol. 14(2), pages 1-26, January.
    2. Przemysław Ptak & Krzysztof Górecki & Jakub Heleniak & Mariusz Orlikowski, 2021. "Investigations of Electrical and Optical Parameters of Some LED Luminaires—A Study Case," Energies, MDPI, vol. 14(6), pages 1-18, March.
    3. Chia-Hsuan Wu & Guan-Rong Huang & Cheng-Chih Chou & Ching-Ming Lai & Liang-Rui Chen, 2021. "A Compensated Peak Current Mode Control PWM for Primary-Side Controlled Flyback Converters," Energies, MDPI, vol. 14(22), pages 1-12, November.
    4. David Baeza Moyano & Yolanda Sola & Roberto Alonso González-Lezcano, 2020. "Blue-Light Levels Emitted from Portable Electronic Devices Compared to Sunlight," Energies, MDPI, vol. 13(16), pages 1-9, August.

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