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Investigation on the Expansion of Output Voltage Range Using a 9-level DAB Converter with Pulse Amplitude Control
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- Tsutsumi Koya
- Yokohama National University
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- Obara Hidemine
- Yokohama National University
Bibliographic Information
- Other Title
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- パルス振幅制御を適用した9レベルDABコンバータによる出力電圧範囲拡大の検討
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Description
<p>The efficiency of dual active bridge (DAB) converters decreases further as the input/output voltage ratio deviates from the transformer turn ratio of one. A 5-level DAB converter that replaces the primary circuit with an FC-type 3-level circuit has been used to solve this limitation so far. However, the optimization of the staircase voltage waveform is required and is complicated in such converters. In this paper, a DAB converter with an FC-type 9-level converter leg in the primary circuit is proposed. It uses multilevel squared voltage waveforms to expand a high-efficiency operation range and eliminate any waveform optimization. Experimental results show that the proposed converter can maintain a high efficiency on a wider operation range compared with the conventional converter.</p>
Journal
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- IEEJ Transactions on Industry Applications
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IEEJ Transactions on Industry Applications 144 (6), 467-475, 2024-06-01
The Institute of Electrical Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390581854526962304
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- ISSN
- 13488163
- 09136339
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- OpenAIRE
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- Abstract License Flag
- Disallowed