Analysis of 12 Pulse Phase Control AC/DC Converter with Autotransformer Phase Shift
| Autor: | Kuen-Jyh Chen, 陳坤志 |
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| Rok vydání: | 1999 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 87 In this thesis, the unbalanced current in the 12-pulse phase control AC/DC converters was studied. The 12-pulse D-Y type AC/DC converter will keep a balanced 30° phase shift at the low coupling coefficient condition. But an unbalanced current will be obtained in the 12-pulse autotransformer phase-shift AC/DC converter at the low autotransformer coupling coefficient condition. The theoretical analysis of the unbalanced current was presented and a feedback controller was designed to overcome this problem. Finally, a 3 KW 12-pulse AC/DC converter with autotransformer was implemented to perform and demonstrate the theoretical analysis. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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