Interleaved high-gain boost converter with low input-current ripple for fuel cell electric vehicle applications

This work proposes a boost dc-dc converter topology that offers excellent characteristics for fuel cell power conditioning. The proposed converter features high voltage gain without utilizing extreme values of duty cycle or transformers, input current ripple reduction by interleaved inductors, low count of components and reduced weight and size. These characteristics make the converter ideal for fuel cell electric vehicles, where a high dc bus for traction system and reduced input current ripple for increasing the fuel economy are required. Simulation-based results, theoretical analysis and experimental validation are presented in this work.