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Series-Stacked Ripple-Free Resonant DC/DC Converter for Low Voltage Fuel-Cell Applications
- Authors
- Kim, Cheol-Hwan; Lim, Gyeong-Seop; Park, Joo-Han; Amjad, Muhammad Umer; Kim, Minsung; Lee, Sang-Won
- Issue Date
- Aug-2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Fuel-cell source; high-voltage gain; zero current switching; zero voltage switching; zero-current ripple
- Citation
- ICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, pp 1135 - 1140
- Pages
- 6
- Indexed
- SCOPUS
- Journal Title
- ICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics
- Start Page
- 1135
- End Page
- 1140
- Abstract
- This paper presents series-stacked ripple-free resonant dc/dc converter for low voltage fuel-cell applications. By connecting two active voltage doublers in series, the proposed circuit achieved very high-voltage gain. Without using extra input inductors, active-clamped push-pull circuit operating with fixed duty-ratio at 0.5 generate the ripple-free input current; this trait extends the lifetime of the fuel-cell. The active power components are turned on and off with soft switching. A 1-kW prototype of the proposed converter is implemented and tested to verify the theoretical analysis. © 2023 The Korean Institute of Power Electronics.
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