A systematic approach of resonant tank design for LLC converters implemented in solar photovoltaic energy storage systems
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This paper discusses the design considerations of High Frequency (HF) magnetics to be used in Linear Level Control (LLC) converters. Most of LLC converter design starts with LLC parameters calculation. The magnetics are then designed to match the requirements. However, this is not always the most optimized result as the implemented magnetics does not operate at maximum efficiency. Therefore, this paper proposes systematic LLC converter design procedures to deal with this problem. A systematic approach of the magnetics design was conducted, and the introduced methodology is particularly suitable for LLC converters used in solar photovoltaic (PV) energy storage systems. A 350 W LLC converter example was examined and demonstrated. The efficiency performance is very consistent across the operating frequencies, in which the efficiency variation is less than 1.5%.
2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC 2016)
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Power and Energy Systems Engineering (excl. Renewable Power)