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Content Provider | IET Digital Library |
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Author | Zhao, Lei Li, Haoyu Li, Fei |
Abstract | This article presents a new full-bridge converter with three-winding coupled inductor. The proposed converter can solve the drawbacks of traditional full-bridge converter, such as narrow zero-voltage-switching range, serious voltage oscillation, and large primary circulating current. By introducing a coupled inductor into the full-bridge converter, the currents of leading-leg and lagging-leg are optimised and a wide zero-voltage-switching range can be achieved. In the proposed converter, the secondary voltage oscillation occurs only when the rectified voltage is low. Thus, the amplitude of voltage oscillation and the voltage stress of rectified diodes are well suppressed. Furthermore, the primary power can be continually transferred to the output side during the whole switching period, resulting in reduced circulating current and low filter requirement. Finally, the theoretical analysis is verified on a laboratory prototype. Experimental results show the effectiveness of the proposed converter. |
Starting Page | 1809 |
Ending Page | 1815 |
Page Count | 7 |
ISSN | 17554535 |
Volume Number | 12 |
e-ISSN | 17554543 |
Issue Number | Issue 7, Jun (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/7 |
Journal | IET Power Electronics |
Publisher Date | 2019-03-11 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Bridge Circuit Coupled Inductor DC-DC Power Converter Inductor Low Filter Requirement Power Converter Power Electronics Power Supplies to Apparatus Power Supply Rectified Voltage Reduced Circulating Current Filter Requirement Secondary Voltage Oscillation Serious Voltage Oscillation Supervisory Circuit Switching Converter Traditional Full-bridge Converter Voltage Stress Whole Switching Period Zero Voltage Switching Zero-voltage-switching Range |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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