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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Fan Wang, Yubin Su, Bing Teng, Changpeng |
| Abstract | A three-phase interleaved high step-up bidirectional DC–DC converter is proposed, which can achieve three times the voltage gain of the traditional three-phase interleaved boost converter only by adding two capacitors. The proposed converter has the characteristics of low switch voltage and current stresses, low output voltage ripple, automatic voltage-balancing and current-sharing abilities. Compared with the traditional interleaved switching strategy, a 180° interleaved switching strategy is proposed, which is more suitable for the proposed converter by widening the working duty cycle range. Closed dual-loop control is used to regulate the output voltage of the converter. The parameter determining the method of the closed-loop controllers based on the Bode diagram is described in order to control the high-order converter. Operating principle, modelling, steady-state analysis, voltage-balancing and current-sharing ability analysis and closed-loop design of the converter are studied in more detail. Finally, experimental verification and efficiency measurements are implemented by a 300 W, 24 V input to 230 V DC bus prototype, which proved that the proposed converter is more suitable than the traditional three-phase interleaved boost converter for some applications where requiring about six to ten times the voltage conversion ratio. |
| Starting Page | 2469 |
| Ending Page | 2480 |
| Page Count | 12 |
| ISSN | 17554535 |
| Volume Number | 13 |
| e-ISSN | 17554543 |
| Issue Number | Issue 12, Sep (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/13/12 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2020.0295 |
| Journal | IET Power Electronics |
| Publisher Date | 2020-05-18 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Automatic Voltage-balancing Bode Diagram Bode Diagrams Closed Dual-loop Control Closed Loop System Control of Electric Power System Current-sharing Ability Analysis DC Bus Prototype DC-DC Power Converter Duty Cycle Range High Step-up Bidirectional DC–DC Converter Interleaved Switching Strategy Low Output Voltage Ripple Other Power Apparatus And Electric Machine Output Voltage Regulation Power 300.0 W Power Capacitor Power Electronics Power Supply Steady-state Analysis Supervisory Circuit Switching Converter Three-phase Interleaved Boost Converter Voltage 230.0 V Voltage 24.0 V Voltage Control Voltage Conversion Ratio Voltage Gain |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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