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Average Current Mode Control for LLC Series Resonant DC-to-DC Converters
- Authors
- Park, Chang Hee; Cho, Sung Ho; Jang, Jinhaeng; Pidaparthy, Syam Kumar; Ahn, Taeyoung; Choi, Byungcho
- Issue Date
- Jan-2014
- Publisher
- KOREAN INST POWER ELECTRONICS
- Keywords
- Average current mode control; Closed-loop performance; Control design; Dynamic analysis; LLC; series resonant converters
- Citation
- JOURNAL OF POWER ELECTRONICS, v.14, no.1, pp.40 - 47
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF POWER ELECTRONICS
- Volume
- 14
- Number
- 1
- Start Page
- 40
- End Page
- 47
- ISSN
- 1598-2092
- Abstract
- An average current mode control scheme that consistently offers good dynamic performance for LLC series resonant DC-to-DC converters irrespective of the changes in the operational conditions is presented in this paper. The proposed control scheme employs current feedback from the resonant tank circuit through an integrator-type compensation amplifier to improve the dynamic performance and enhance the noise immunity and reliability of the feedback controller. Design guidelines are provided for both current feedback and voltage feedback compensation. The performance of the new control scheme is demonstrated through an experimental 150 W converter operating with 340 V to 390 V input voltage to provide a 24 V output voltage.
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Related Researcher
- Cho, Sung Ho
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)