Title :
Multi-phase interleaved LLC-SRC and its digital control scheme
Author :
Yeon, Jae-Eul ; Kang, Won-Seok ; Cho, Kyu-Min ; Ahn, Tae-Young ; Kim, Hee-Jun
Author_Institution :
HV-PCIA, Fairchild Korea Semicond., Bucheon, South Korea
Abstract :
This paper proposes a new 3-phase interleaved LLC resonant DC-DC converter and its control scheme. The proposed circuit consists of three conventional interleaved LLC resonant DC-DC converters and each converter operates with π/3 of phase difference respectively. Therefore the current ripple of the output capacitor can be significantly reduced and the life cycle of the converter will be extended. To verify the validity of the proposed converter and digital scheme, an experiment with a prototype 1kW (12V/84A) DC-DC converter was implemented and its results are presented in this paper.
Keywords :
DC-DC power convertors; digital control; power control; resonant power convertors; digital control scheme; multiphase interleaved LLC-SRC; resonant DC-DC converter; Capacitors; DC-DC power converters; Digital control; Magnetic resonance; Power supplies; Prototypes; RLC circuits; Switching converters; Topology; Zero current switching; Interleaved DC-DC converter; LLC Resonant; Parallel converter operation;
Conference_Titel :
Power Electronics Electrical Drives Automation and Motion (SPEEDAM), 2010 International Symposium on
Conference_Location :
Pisa
Print_ISBN :
978-1-4244-4986-6
Electronic_ISBN :
978-1-4244-7919-1
DOI :
10.1109/SPEEDAM.2010.5542047
