Open AccessA Novel LLC Resonant Converter Circuit-Input Parallel Output Series Subside Resonant LLC Resonant Converter
Author(s) -
Ting Yu,
Xikun Chen,
Dongjing Wu
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1449/1/012009
Subject(s) - resonant converter , converters , transformer , rlc circuit , voltage , electrical engineering , resonant inverter , series and parallel circuits , engineering , electronic engineering , capacitor , inverter
At present, LLC resonant converters are mostly used in step-down situations. The reason why LLC resonant converters are not used in high step-up situations is that parasitic parameters caused by high turn-to-turn ratio of transformers affect the circuit and the large current stress of switching devices and resonant components on the input side. In this paper, a new type of LLC resonant converter circuit, i.e. input parallel output series subside resonant LLC resonant converter, is designed. It can not only reduce the current stress borne by the switching devices on the input side and the resonant components, but also reduce the turn-to-turn ratio of the transformer under the same output voltage. Therefore, it can be used in boost occasion to output high voltage. In this paper, a new type of circuit is used in high boost situation, and the final output is stable 2KV high voltage.