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| Content Provider | IET Digital Library |
|---|---|
| Author | Su, Bin Zhang, Junming Wen, Huiqing Lu, Zhengyu |
| Abstract | A low conduction loss and low device stress three-level rectifier is proposed and the corresponding neutral-point voltage balance control scheme is presented in this study. Compared with the conventional rectifier, the MOSFET voltage rating can be reduced by half. The inductance and the volume of input inductor are reduced. The conduction losses can also be lowered because of the elimination of the front–end bridge rectifier and the adoption of synchronous rectification. The neutral-point voltage balance algorithm based on the average current-mode modulation is illustrated with constant frequency operation. To verify the theoretical analysis, a universal line input 100 kHz, 900 W prototype is built. The experimental results show that the input inductor volume is greatly reduced and the neutral-point voltage balance of the prototype is fulfilled considering various load conditions and dynamic processes. The proposed rectifier improves the efficiency by 2% under 90 V line input voltage compared with the conventional one. |
| Starting Page | 478 |
| Ending Page | 487 |
| Page Count | 10 |
| ISSN | 17554535 |
| Volume Number | 6 |
| e-ISSN | 17554543 |
| Issue Number | Issue 3, Mar (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/6/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2012.0515 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Average Current-mode Modulation Frequency 100 KHz Front–end Bridge Rectifier Inductor Input Inductor Input Inductor Volume Low Conduction Loss Low Device Stress Three-level Power Factor Correction Rectifier MOSFET MOSFET Voltage Rating Neutral-point 25 Voltage Balance Control Scheme Neutral-point Voltage Balance Algorithm Power 900 W Power Converter Power Factor Correction Power Supplies to Apparatus Rectifier Synchronous Rectification Theoretical Analysis Transformer And Reactors Voltage 90 V |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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