Your browser does not support JavaScript!
http://iet.metastore.ingenta.com
1887

access icon free LED driver based on novel ripple cancellation technique for flicker-free operation and reduced power processing

Light-emitting-diode (LED) drivers are required to maintain the power quality of both the AC input and DC output side. The regulation prevents adverse impacts on the grid and maintains the nominal operating condition of LEDs. Without significant filtering, the input power from a single-phase AC source can result in low-frequency flickers that raise health issues. This study proposes a LED driver topology to achieve low harmonics at the AC side and maintain flicker-free operation to drive LEDs. A novel ripple-cancelling scheme is developed to minimise redundant power processing and reduce circuit complexity to achieve high-conversion efficiency. The new topology supports a simple control strategy to operate the driver effectively. Experimental evaluation demonstrates the system performance and verifies the novelty and contribution.

References

    1. 1)
      • 7. Hui, S.Y., Li, S.N., Tao, X.H., et al: ‘A novel passive offline led driver with long lifetime’, IEEE Trans. Power Electron., 2010, 25, (10), pp. 26652672.
    2. 2)
      • 13. Gacio, D., Alonso, J.M., Garcia, J., et al: ‘Optimization of a front-end DCM buck PFP for an HPF integrated single-stage led driver’, IEEE J. Emerging Sel. Top. Power Electron., 2015, 3, (3), pp. 666678.
    3. 3)
      • 4. Ruan, X., Wang, B., Yao, K., et al: ‘Optimum injected current harmonics to minimize peak-to-average ratio of led current for electrolytic capacitor-less ac–dc drivers’, IEEE Trans. Power Electron., 2011, 26, (7), pp. 18201825.
    4. 4)
      • 19. Fang, P., Webb, S., Liu, Y., et al: ‘Single-stage led driver achieves electrolytic capacitor-less and flicker-free operation with unidirectional current compensator’, IEEE Trans. Power Electron., 2019, 34, (7), pp. 67606776.
    5. 5)
      • 22. Shan, Z., Chen, X., Jatskevich, J., et al: ‘Ac–dc led driver with an additional active rectifier and a unidirectional auxiliary circuit for ac power ripple isolation’, IEEE Trans. Power Electron., 2019, 34, (1), pp. 685699.
    6. 6)
      • 9. Lee, B., Kim, H., Rim, C.: ‘Robust passive led driver compatible with conventional rapid-start ballast’, IEEE Trans. Power Electron., 2011, 26, (12), pp. 36943706.
    7. 7)
      • 21. Fang, P., Liu, Y., Sen, P.C.: ‘A flicker-free single-stage offline led driver with high power factor’, IEEE J. Emerging Sel. Top. Power Electron., 2015, 3, (3), pp. 654665.
    8. 8)
      • 16. Dong, H., Xie, X., Jiang, L., et al: ‘An electrolytic capacitor-less high power factor led driver based on a ‘one-and-a-half stage’ forward-flyback topology’, IEEE Trans. Power Electron., 2018, 33, (2), pp. 15721584.
    9. 9)
      • 20. Fang, P., Liu, Y.: ‘Energy channeling led driver technology to achieve flicker-free operation with true single stage power factor correction’, IEEE Trans. Power Electron., 2017, 32, (5), pp. 38923907.
    10. 10)
      • 12. Wang, Y., Huang, J., Shi, G., et al: ‘A single-stage single-switch led driver based on the integrated sepic circuit and class-e converter’, IEEE Trans. Power Electron., 2016, 31, (8), pp. 58145824.
    11. 11)
      • 8. Lee, E.S., Choi, B.H., Cheon, J.P., et al: ‘Temperature-robust LC3 passive led drivers with low THD, high efficiency and PF, and long life’, IEEE J. Emerging Sel. Top. Power Electron., 2015, 3, (3), pp. 829840.
    12. 12)
      • 1. Castro, I., Vazquez, A., Arias, M., et al: ‘A review on flicker-free ac–dc led drivers for single-phase and three-phase ac power grids’, IEEE Trans. Power Electron., 2019, 34, (10), pp. 1003510057.
    13. 13)
      • 3. Wilkins, A., Veitch, J., Lehman, B.: ‘LED lighting flicker and potential health concerns: IEEE standard PAR1789 update’. 2010 IEEE Energy Conversion Congress and Exposition, Atlanta, GA, USA, 2010, pp. 171178.
    14. 14)
      • 2. Wang, Y., Alonso, J.M., Ruan, X.: ‘A review of led drivers and related technologies’, IEEE Trans. Ind. Electron., 2017, 64, (7), pp. 57545765.
    15. 15)
      • 14. Wu, H., Wong, S., Tse, C.K., et al: ‘A pfc single-coupled-inductor multipleoutput led driver without electrolytic capacitor’, IEEE Trans. Power Electron., 2019, 34, (2), pp. 17091725.
    16. 16)
      • 6. Li, S., Tan, S., Lee, C.K., et al: ‘A survey, classification, and critical review of light-emitting diode drivers’, IEEE Trans. Power Electron., 2016, 31, (2), pp. 15031516.
    17. 17)
      • 17. Wang, S., Ruan, X., Yao, K., et al: ‘A flicker-free electrolytic capacitor-less ac–dc led driver’, IEEE Trans. Power Electron., 2012, 27, (11), pp. 45404548.
    18. 18)
      • 18. Fang, P., Sheng, B., Webb, S., et al: ‘Led driver achieves electrolytic capacitor-less and flicker-free operation with an energy buffer unit’, IEEE Trans. Power Electron., 2019, 34, (7), pp. 67776793.
    19. 19)
      • 10. Zhang, F., Ni, J., Yu, Y.: ‘High power factor ac–dc led driver with film capacitors’, IEEE Trans. Power Electron., 2013, 28, (10), pp. 48314840.
    20. 20)
      • 11. Ye, C., Das, P., Sahoo, S.K.: ‘Peak current control-based power ripple decoupling of ac–dc multichannel led driver’, IEEE Trans. Ind. Electron., 2019, 66, (12), pp. 92489259.
    21. 21)
      • 5. Wang, B., Ruan, X., Yao, K., et al: ‘A method of reducing the peak-to-average ratio of led current for electrolytic capacitor-less ac–dc drivers’, IEEE Trans. Power Electron., 2010, 25, (3), pp. 592601.
    22. 22)
      • 15. Wu, H., Wong, S., Tse, C.K., et al: ‘Single-phase led drivers with minimal power processing, constant output current, input power factor correction, and without electrolytic capacitor’, IEEE Trans. Power Electron., 2018, 33, (7), pp. 61596170.
http://iet.metastore.ingenta.com/content/journals/10.1049/iet-pel.2020.0102
Loading

Related content

content/journals/10.1049/iet-pel.2020.0102
pub_keyword,iet_inspecKeyword,pub_concept
6
6
Loading
This is a required field
Please enter a valid email address