TY - JOUR
T1 - Hybrid Active Switched Inductor DC-DC Converter With Common Ground and Suppressed Voltage Oscillation for Fuel Cell Vehicles
AU - Mohammed, Motiur Reza
AU - Saad Al-Sumaiti, Ameena
AU - Beig, Abdul R.
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2025
Y1 - 2025
N2 - In the pursuit of greener and more sustainable transportation solutions, fuel cell vehicles (FCVs) have widely emerged. The dc-dc converter regulates the variable output voltage of the fuel cell and acts as a key component of FCVs. Hybrid active switched inductor (HASL) dc-dc converters are widely used for FCVs due to their low voltage/current stress on power devices, wide voltage-gain range, simple design, and control. In existing HASL converters, during theoff-mode, the resonance between the drain-to-source capacitor and inductor results in a large voltage across the switches. This article proposes an improved high step-up voltage gain HASL dc-dc converter, eliminating this resonance. The proposed converter is derived by integrating an ASL cell with a switched capacitor cell. During theoff-mode operation of the proposed converter, the voltage across devices is supported with capacitors of a switched capacitor network, mitigating resonance and reducing voltage stress. The operating principles and steady-state analysis of the proposed converter are discussed, and design details are presented. A laboratory prototype of 600 W for voltage step-up from 30 to 330 V is developed and experimentally validated.
AB - In the pursuit of greener and more sustainable transportation solutions, fuel cell vehicles (FCVs) have widely emerged. The dc-dc converter regulates the variable output voltage of the fuel cell and acts as a key component of FCVs. Hybrid active switched inductor (HASL) dc-dc converters are widely used for FCVs due to their low voltage/current stress on power devices, wide voltage-gain range, simple design, and control. In existing HASL converters, during theoff-mode, the resonance between the drain-to-source capacitor and inductor results in a large voltage across the switches. This article proposes an improved high step-up voltage gain HASL dc-dc converter, eliminating this resonance. The proposed converter is derived by integrating an ASL cell with a switched capacitor cell. During theoff-mode operation of the proposed converter, the voltage across devices is supported with capacitors of a switched capacitor network, mitigating resonance and reducing voltage stress. The operating principles and steady-state analysis of the proposed converter are discussed, and design details are presented. A laboratory prototype of 600 W for voltage step-up from 30 to 330 V is developed and experimentally validated.
KW - Common ground
KW - fuel cell vehicle (FCV)
KW - hybrid active switched inductor (HASL)
KW - resonance
KW - suppressed voltage oscillation
KW - switched capacitor
UR - http://www.scopus.com/inward/record.url?scp=85200226096&partnerID=8YFLogxK
U2 - 10.1109/TTE.2024.3434710
DO - 10.1109/TTE.2024.3434710
M3 - Article
AN - SCOPUS:85200226096
SN - 2332-7782
VL - 11
SP - 3204
EP - 3214
JO - IEEE Transactions on Transportation Electrification
JF - IEEE Transactions on Transportation Electrification
IS - 1
ER -