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- Title
Sharing Voltage and Current of an Input-Series–Output-Parallel Boost-LLC Converter †.
- Authors
Zhang, Bo; Huang, Jin; Song, Yongfeng; Liu, Xinbo; Ren, Jiahui; Kang, Chengwei; Ma, Yingtao; Sun, Shijie; Diao, Lijun
- Abstract
Modular input-series–output-parallel (ISOP) converters are very suitable for high-voltage and high-power applications. In order to ensure the normal operation of ISOP converters, it is necessary to realize the input-voltage and output-current equalization of each submodule. However, there are few studies on the input-voltage and output-current equalization performance of the ISOP system. In this paper, the input-voltage and output-current equalization characteristics of a Boost + LLC modular ISOP converter are studied based on the small-signal model. In this paper, the small-signal model of an ISOP system is first established, and then the input-voltage and output-current equalization performance of the ISOP system under the condition of inconsistent submodule parameters are analyzed. Finally, simulations and experiments are reported to verify the results. The experimental results show that the ISOP system composed of a Boost + LLC cascaded module has excellent voltage and current self-equalization performance.
- Subjects
VOLTAGE; HIGH voltages; SHARING
- Publication
Energies (19961073), 2022, Vol 15, Issue 19, p7165
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en15197165