Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 30, Issue 10, Pages 5413-5424Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2014.2375311
Keywords
Frequency modulation; interleaved; modeling; switched-capacitor; two-switch boosting switched-capacitor converters (TBSC)
Categories
Funding
- BSF [2011507]
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A family of Two-Switch Boosting Switched-Capacitor Converters (TBSC) is introduced, which distinguishes itself from the prior arts by symmetrically interleaved operation, reduced output ripple, low yet even voltage stress on components, and systematic expandability. Along with the topologies, a modeling-method is formulated, which provokes the converter regulation method through duty cycle and frequency adjustment. In addition, the paper also provides guidance for circuit components and parameter selection. A 1-kW 3X TBSC was built to demonstrate the converter feasibility, regulation capability via duty cycle and frequency, which achieved a peak efficiency of 97.5% at the rated power.
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