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Power Loss Analysis of Full-Bridge LLC Resonant Converter Using Enhanced Time Domain Analysis Method향상된 Time Domain Analysis 기법을 이용한 Full-Bridge LLC 공진형 컨버터의 전력 손실 해석
- Other Titles
- 향상된 Time Domain Analysis 기법을 이용한 Full-Bridge LLC 공진형 컨버터의 전력 손실 해석
- Issue Date
- Jul-2025
- Publisher
- 대한전기학회
- Keywords
- LLC Resonant Converter; Power Loss Analysis; TDA method; WBG semiconductor
- Citation
- 전기학회논문지, v.74, no.7, pp 1237 - 1247
- Pages
- 11
- Indexed
- SCOPUS
KCI
- Journal Title
- 전기학회논문지
- Volume
- 74
- Number
- 7
- Start Page
- 1237
- End Page
- 1247
- ISSN
- 1975-8359
2287-4364
- Abstract
- This paper proposes a method for analyzing power loss in a full-bridge LLC resonant converter based on the enhanced Time-Domain Analysis (TDA) technique. The proposed enhanced TDA method demonstrates that the power loss in an LLC resonant converter can be expressed through a complete equation. The necessary initial values are represented in equations, showing a deviation of less than 5% compared to simulation results. Furthermore, based on an 8.4kW full-bridge LLC resonant converter prototype, the proposed method and experimental values are compared in terms of efficiency across different loads, with a maximum error of 1.7% under light loads, while exhibiting highly similar values in other regions.
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Related Researcher
- Kim, Rae Young
- COLLEGE OF ENGINEERING (MAJOR IN ELECTRICAL ENGINEERING)