Singh, Bhim ; Shrivastava, Ashish ; Chandra, Ambrish ; Al-Haddad, Kamal (2013) A single stage optocoupler-less buck-boost PFC driver for LED lamp at universal AC mains In: 2013 IEEE Industry Applications Society Annual Meeting, 6-11 Oct. 2013, Lake Buena Vista, FL, USA.
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Official URL: http://ieeexplore.ieee.org/document/6682508/
Related URL: http://dx.doi.org/10.1109/IAS.2013.6682508
Abstract
This paper deals with a single-stage PFC (Power Factor Corrected) buck-boost converter based low power LED (Light Emitting Diode) lamp driver for general purpose lighting. In the proposed circuit, a buck-boost converter is operated in CCM (Continuous Conduction Mode) with PSCR (Primary Sensing Current Regulation) using feed forward current control scheme to improve power quality at universal AC mains. A design procedure of proposed LED driver is illustrated and its simulated performance is demonstrated for improvement in various power quality indices in Matlab/Simulink environment for a 220 V, 50 Hz input AC mains. In order to validate the design, an optocoupler-less buck-boost PFC converter based LED driver is developed with low component count and low cost and tested for a load of 13 W with multiple LEDs connected in series. Each LED has a forward voltage of 3.1 V, forward rated current of 325 mA and power rating of 1 W. The measured power quality indices are observed well within the IEC-61000-3-2 norms for class C equipments.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronics Engineers. |
| Keywords: | Universal AC Mains; Improved Power Quality Converter; LED Lamp Driver; Power Factor Correction (PFC); Primary Sensing Current Regulation (PSCR); Total Harmonic Distortion (THD) |
| ID Code: | 109860 |
| Deposited On: | 04 Aug 2017 11:28 |
| Last Modified: | 04 Aug 2017 11:28 |
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