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|Title:||Non linear inductor design for improving light load efficiency of boost PFC|
Light load efficiency
Non linear inductor
Power factor correctors (PFCs)
|Source:||Lim, S.F.,Khambadkone, A.M. (2009). Non linear inductor design for improving light load efficiency of boost PFC. 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009 : 1339-1346. ScholarBank@NUS Repository. https://doi.org/10.1109/ECCE.2009.5316029|
|Abstract:||With the increasing focus on energy efficiency and the enforcement of regulations such as IEC61000-3-2 that specifies the harmonic current limits in the line, power factor correctors (PFCs) are increasingly being used in power supplies. However, under light load conditions, the efficiency of various PFC topologies is poor. This paper illustrates a simple solution to improve light load efficiency through the use of a non linear inductor with a higher inductance at light load. The non linear inductor can be designed to satisfy efficiency requirements, or to get the best efficiency improvement with given size and cost constraint. In this paper, the analysis of losses in boost PFC circuit, the design of a non linear inductor with a given core characteristics for efficiency improvement, and experimental results are provided. © 2009 IEEE.|
|Source Title:||2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009|
|Appears in Collections:||Staff Publications|
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