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| Content Provider | IET Digital Library |
|---|---|
| Author | Wu, Qunfang Wang, Qin Li, Jinbo Wang, Zhong |
| Abstract | In this study, a new zero-voltage-switching (ZVS) three-phase current-fed push–pull converter is proposed for voltage step-up applications such as interfacing between the low-voltage high-current input sources such as photovoltaic, fuel cells and high-voltage dc bus. The proposed converter realises ZVS for all of the primary switches and zero-current-switching for secondary diodes that improves the conversion efficiency. In comparison with the existing three-phase current-fed push–pull converters with a voltage-clamped, one simpler active-clamp circuit is employed to reuse the leakage inductance for soft-commutation and suppress the transient surge voltage enabling the use of low voltage-rated switches with low on-state resistance. The theoretical analysis, design guidelines, comparative study, experimental results and loss breakdown for this topology are presented in the text. Finally, a 1.2 kW prototype has been implemented and tested in the laboratory to verify the effectiveness of the proposed concept. |
| Starting Page | 2286 |
| Ending Page | 2294 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 11 |
| e-ISSN | 17554543 |
| Issue Number | Issue 14, Nov (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/11/14 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5529 |
| Journal | IET Power Electronics |
| Publisher Date | 2018-09-19 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Clamps Constant Current Sources Diode Fuel Cell High-voltage DC Bus Leakage Inductance Loss Breakdown Low On-state Resistance Low Voltage-rated Switches Low-voltage High-current Input Source One Simpler Active-clamp Circuit Photovoltaic Power 1.2 KW Power Converter Power Supplies to Apparatus Secondary Diode Soft-commutation Switch Switching Converter Transient Surge Voltage Suppression Voltage Step-up Application Voltage-clamped Circuit Zero Voltage Switching Zero-voltage-switching ZVS Three-phase Current-fed Push–pull Converter |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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