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| Content Provider | IET Digital Library |
|---|---|
| Author | Forouzesh, Mojtaba Yari, Keyvan Baghramian, Alfred Hasanpour, Sara |
| Abstract | This study presents a novel single-switch high step-up dc–dc converter employing a quasi-resonant operation with high efficiency and low ripple continuous input current characteristics. In order to achieve a high voltage gain, a combination of coupled inductor and switched capacitor techniques is used in the proposed dc–dc converter. Moreover, utilising a series resonance capacitor with the leakage inductance of the coupled inductor leads to a resonant circuit. Subsequently, by employing a quasi-resonant operation, the switching loss of the proposed dc–dc converter has been reduced significantly. Operational analysis, mathematical derivation, component voltage and current ratings are well demonstrated in this study. Finally, the performance of the proposed circuit is evaluated through a 200 W laboratory prototype with 25 V input voltage and 400 V output voltage. The maximum efficiency achieved at full load is 96.4%. |
| Starting Page | 240 |
| Ending Page | 250 |
| Page Count | 11 |
| ISSN | 17554535 |
| Volume Number | 10 |
| e-ISSN | 17554543 |
| Issue Number | Issue 2, Feb (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/10/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0923 |
| Journal | IET Power Electronics |
| Publisher Date | 2017-02-10 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Component Voltage Coupled Inductor Current Ratings DC-DC Power Converter High Voltage Gain Inductor Leakage Inductance Low Ripple Continuous Input Current Characteristic Mathematical Derivation Operational Analysis Power 200 W Power Electronics Power Supply Quasiresonant Operation Resonant Circuit Resonant Power Converter Series Resonance Capacitor Single-switch High Step-up DC-DC Converter Supervisory Circuit Switched Capacitor Integrator Switched Capacitor Technique Switching Converter Switching Loss Voltage 25 V Voltage 400 V |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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