Voltage mode control DCM HSD-CIB PFC converter for HB-LED lighting applications

• Autorzy: Ramanjaneya Reddy U. , Narasimharaju B. L. , Asif Md.
• Języki publikacji: EN

Abstrakty

EN

High-brightness light emitting diodes (HB-LEDs) are gaining immense attention from the angle of both residential and industrial applications, owing to their advanced futures of longevity, compact size, high efficacy and eco-friendly nature. To meet advanced future requirements, the LED driver should be robust and efficient. In addition, for HB-LED lighting applications, an ac-dc LED driver demands high-step-down conversion ratio, less source current harmonics, high power factor (PF) and to be cost 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 the detailed design and analysis of the proposed HSD-CIB PFC converter for an LED lighting system. A closed loop voltage mode control (VMC) is designed and implemented to study the line regulations of HSD-CIB converter at various loading conditions. The analysis of the proposed HSD-CIB topology is carried out using Matlab/Simulink simulation and validated experimentally with a prototype of 16 W.

Słowa kluczowe

EN

coupled inductors; light emitting diode; power factor correction; voltage mode control; voltage regulation; discontinuous current mode; power factor

PL

dławik sprzężony; dioda elektroluminescencyjna; korekcja współczynnika mocy; kontrola trybu napięciowego; regulacja napięcia; współczynnik mocy

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2018
• Tom: Vol. 98, nr 4
• Strony: 305--313
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Ramanjaneya Reddy U.

• Electrical and Electronics Engineering, Vardhaman College of Engineering, Kacharam, India

autor

Narasimharaju B. L.

• Electrical Engineering, National Institute of Technology, Warangal, India

autor

Asif Md.

• Electrical and Electronics Engineering, Vardhaman College of Engineering, Kacharam, India

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).