TY - GEN
T1 - Non-Isolated High Conversion Ratio Boost Extender Based on Back-end Series Capacitor Stacking
AU - Rathore, Vikas Kumar
AU - Evzelman, Michael
AU - Peretz, Mor Mordechai
N1 - Publisher Copyright: © 2022 IEEE.
PY - 2022/1/1
Y1 - 2022/1/1
N2 - A non-isolated high conversion ratio boost extending method is presented. The extender approach hinges on the stacking of series capacitors, to achieve high voltage gain, along with high efficiency. The series capacitor stacking method, facilitates a high efficiency single cycle energy conversion that eliminates the need in multiple consecutive conversions typical for high gain non-isolated converters. In addition, the topology and stacking approach features low voltage stress across the diodes and stacked capacitors. An analysis of the voltage gain and component stresses for the general case is carried out, and experimental prototype of 125W is developed and built in the laboratory. The converter attains maximum efficiency of 95.5% at input voltage of 20V and output voltage of 210V. The experimental results are in a good agreement with theoretical predictions.
AB - A non-isolated high conversion ratio boost extending method is presented. The extender approach hinges on the stacking of series capacitors, to achieve high voltage gain, along with high efficiency. The series capacitor stacking method, facilitates a high efficiency single cycle energy conversion that eliminates the need in multiple consecutive conversions typical for high gain non-isolated converters. In addition, the topology and stacking approach features low voltage stress across the diodes and stacked capacitors. An analysis of the voltage gain and component stresses for the general case is carried out, and experimental prototype of 125W is developed and built in the laboratory. The converter attains maximum efficiency of 95.5% at input voltage of 20V and output voltage of 210V. The experimental results are in a good agreement with theoretical predictions.
KW - Boost extender
KW - Capacitor stacking
KW - High voltage gain
KW - Single-switch
KW - Switched capacitor
UR - http://www.scopus.com/inward/record.url?scp=85135223208&partnerID=8YFLogxK
U2 - https://doi.org/10.1109/COMPEL53829.2022.9829993
DO - https://doi.org/10.1109/COMPEL53829.2022.9829993
M3 - Conference contribution
T3 - Proceedings of the IEEE Workshop on Computers in Power Electronics, COMPEL
BT - 2022 IEEE 23rd Workshop on Control and Modeling for Power Electronics, COMPEL 2022
T2 - 23rd IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2022
Y2 - 20 June 2022 through 23 June 2022
ER -