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| Content Provider | IET Digital Library |
|---|---|
| Author | Jin, Xiaoguang Wan, Lanruo Xu, Jun Qian, Bin Lu, Zhengyu |
| Abstract | An improved scheme of a dual-switch forward converter is proposed in this paper. Compared with the original converter, the new one can provide higher resetting voltage during the hold-up time interval under the action of an additional reset capacitor. Namely, it allows the converter's duty cycle to be larger than 50%. As a result, the proposed method can transfer more energy stored in the bulk capacitor to the load side during the hold-up interval. Therefore, a smaller bulk capacitor can be used for the converter's hold-up time requirement. Since the additional reset capacitor acts only as a compensation, it would not affect other performance of the converter. The additional circuit can be applied for the dual-switch forward converter when small-volume and high power density are required. The working principle and the performance of the converter are analysed, and the relevant theory formulas are deduced. Then the parameters of key components are given. Finally, the theoretical analysis is validated through a 200 W experimental prototype. |
| Starting Page | 2593 |
| Ending Page | 2596 |
| Page Count | 4 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8552 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-26 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Bulk Capacitor Capacitor Dual-switch Forward Converter High Power Density Higher Resetting Voltage Hold-up Interval Hold-up Operation Hold-up Time Interval Hold-up Time Requirement Power 200 W Power Converter Power Electronics Power Supplies to Apparatus Power Supply Relevant Theory Formulas Reset Capacitor Supervisory Circuit Switching Converter |
| Content Type | Text |
| Resource Type | Article |
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