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| Content Provider | IET Digital Library |
|---|---|
| Author | Oliveira, Igor Rodrigues de Morais, Aniel Silva de Tofoli, Fernando Lessa |
| Abstract | An integrated non-isolated DC–DC converter for applications that demand wide conversion range is proposed in this work. Using a technique known as graft scheme, it is possible to design a single-switch SEPIC-buck converter, where both the input current and the current supplied to the output stage composed of the filter capacitor and the load are non-pulsating when operation occurs in continuous conduction mode (CCM). Therefore, minimised electromagnetic interference (EMI) levels result as a consequence. Besides, the converter requires the use of a single active switch connected to the source reference node, without the need for isolated control circuitry, while it is possible to achieve wider conversion ranges than that provided by the classical buck converter. The qualitative and quantitative analysis of the converter is presented, from which it is possible to design and analyse it. Experimental results are discussed in detail to validate the theoretical considerations. |
| Starting Page | 1880 |
| Ending Page | 1890 |
| Page Count | 11 |
| ISSN | 17554535 |
| Volume Number | 12 |
| e-ISSN | 17554543 |
| Issue Number | Issue 8, Jul (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/8 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5355 |
| Journal | IET Power Electronics |
| Publisher Date | 2019-03-07 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Classical Buck Converter Continuous Conduction Mode Control of Electric Power System DC-DC Power Converter DC–DC Converter Demand Wide Conversion Range Electromagnetic Compatibility Electromagnetic Interference High-voltage Step-down Input Current Integrated DC–DC SEPIC-buck Converter Interference Isolated Control Circuitry Minimised Electromagnetic Interference Levels Power Converter Power Electronics Power Supplies to Apparatus Power Supply Single Active Switch Single-switch SEPIC-buck Converter Supervisory Circuit Wider Conversion Ranges |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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