Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 64, Issue 12, Pages 9322-9333Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2017.2711541
Keywords
DC-DC power converters; negative output (N/O); wide conversion ratio
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Funding
- National Natural Science Foundation of China [51377124, 51521065]
- Foundation for the Author of National Excellent Doctoral Dissertation of PR China [201337]
- Program for New Century Excellent Talents in University of China [NCET-13-0457]
- New Star of Youth Science and Technology of Shaanxi Province [2016KJXX-40]
- Fundamental Research Funds for the Central Universities of China [2012jdgz09]
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In this paper, a new negative output (N/O) buck-boost converter, which can be applied for applications that need wide range of inverse voltage, is proposed. The steady-state, small-signal model and power losses of the proposed converter operating in a continuous conduction mode are analyzed. Comparisons among the traditional buck-boost converter, N/O hybrid buck-boost converter and N/O self-lift Luo converter are presented, and it is found that the proposed converter possesses a widest voltage conversion ratio in these four converters. Finally, a prototype is built, and the simulated waveforms from the PSIM software and the experimental results are presented for validation.
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