A novel ambiance changing energy saving LED lighting system with PFM operated Zeta converter

Pal, Somnath ; Singh, Bhim ; Shrivastava, Ashish ; Chandra, Ambrish ; Al-Haddad, Kamal (2015) A novel ambiance changing energy saving LED lighting system with PFM operated Zeta converter In: 2015 IEEE Industry Applications Society Annual Meeting, 18-22 Oct. 2015, Addison, TX, USA.

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Official URL: http://ieeexplore.ieee.org/document/7356862/

Related URL: http://dx.doi.org/10.1109/IAS.2015.7356862


This study deals the design, simulation and implementation of an isolated Zeta converter based novel cost-effective, dual-colored, step-dimming with power quality improvement at universal AC mains while operating the power factor correction (PFC) converter in Discontinuous Conduction Mode (DCM). The PFC Zeta converter is able to provide regulated output current to a string of LED load of 23 W and maintains the power quality indices within the requirements of IEC61000-3-2 for class C equipments with high level of efficiency. Moreover, to achieve cost benefit and size reduction, this converter utilizes reduced control circuitry for the emerging LED lighting solutions. A novel cost effective color changing is discussed with primary-side regulation (PSR) technique using an isolated Zeta converter. A prototype of the Zeta converter with color changing solution and step-dimming mechanism is implemented to evaluate the proposed approach. The overall power factor at full load condition is achieved around 0.98 and AC mains current THD as 7.15% with an efficiency of 85.56% at rated voltage of 220V.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
Keywords:Universal AC Mains; Discontinuous Conduction Mode (DCM); PFC LED Driver; Pulse Frequency Modulation (PFM); Primary Side Regulation (PSR)
ID Code:109643
Deposited On:04 Aug 2017 11:10
Last Modified:04 Aug 2017 11:10

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