Voltage Mode Control DCM HSD-CIB PFC Converter for HB-LED Lighting Applications

  • Ramanjaneya Reddy Udumula Vardhaman College of Engineering, Kacharam
  • Narasimharaju B. L. Electrical Engineering, National Institute of Technology, Warangal
  • Asif Md Vardhaman College of Engineering, Kacharam


High-brightness light emitting diodes (HB-LEDs) are gaining immense attention from the angle of both residential and industrialapplications, owing to their advanced futures of longevity, compact size, high efficacy and eco-friendly nature. To meetadvanced future requirements, the LED driver should be robust and efficient. In addition, for HB-LED lighting applications, anac-dc LED driver demands high-step-down conversion ratio, less source current harmonics, high power factor (PF) and to becost effective. This work proposes a high-step-down coupled inductor-buck (HSD-CIB) based power factor correction (PFC)converter operating in discontinuous current mode (DCM) to attain high PF with low source current harmonics. Moreover,the proposed HSD-CIB can overcome the demerit of the existing single-stage ac-dc buck PFC converter in terms of highvoltage/current switching stress, gate-driver complexity, low conversion gain and low efficiency. This paper presents thedetailed design and analysis of the proposed HSD-CIB PFC converter for an LED lighting system. A closed loop voltagemode control (VMC) is designed and implemented to study the line regulations of HSD-CIB converter at various loadingconditions. The analysis of the proposed HSD-CIB topology is carried out using Matlab/Simulink simulation and validatedexperimentally with a prototype of 16 W.


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How to Cite
UDUMULA, Ramanjaneya Reddy; B. L., Narasimharaju; MD, Asif. Voltage Mode Control DCM HSD-CIB PFC Converter for HB-LED Lighting Applications. Journal of Power Technologies, [S.l.], v. 98, n. 4, p. 305–313, dec. 2018. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1441>. Date accessed: 14 july 2024.
Electrical Engineering


Coupled Inductor, Light Emitting Diode, Power factor correction, voltage mode control, voltage regulation, discontinuous current mode, power factor

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