Bidirectional Power Converter With High Step-Up/Down Voltage Gain
| Autor: | You-Sheng Shen, 沈佑陞 |
|---|---|
| Rok vydání: | 2015 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 103 This thesis proposes an isolated bidirectional DC/DC converter with high voltage conversion ratio, which mainly consists of two fundamental Boost-type converters and one transformer. While operating in step-up mode, by means of stacking up voltage to switched capacitors the converter can lower voltage stresses across semiconductors in low-voltage side. In addition, the proposed converter can inherently achieve soft-switching feature. That is, it is able to decrease power loss and reduce the component temperature. To further promote overall efficiency, the leakage energy can be recycled to switched capacitors no matter in which mode the converter operates. Operation principle, steady-state analysis, and mathematical derivation are described in this thesis. Finally, simulations and experimental results are illustrated to verify the feasibility and correctness of the proposed converter. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
| Externí odkaz: |
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