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| Content Provider | IET Digital Library |
|---|---|
| Author | Liu, Xin Wang, Tianfeng Yang, Xijun Tang, Houjun |
| Abstract | Recently, efficiency improvement of wireless power transfer (WPT) systems has been the focus of research. Conventional methods of DC–DC converters are employed for load modulation to achieve high efficiency over large variations in mutual inductance and load. However, these additional circuits degrade the performance due to their inherent losses. To address this problem, this study presents a dual-side phase shift control method for load modulation and voltage regulation in a compact WPT system. The key features of the proposed work are: attaining load modulation and voltage regulation with reduced size of the system; elimination of communication between active bridges and simple control logic. Mathematical expression of equivalent resistance versus the phase shift angles (PSAs) is deduced and the optimal PSAs for maximum efficiency are presented. Utilisation of local control, stability analysis and fault detection method are included. MATLAB/Simulink simulation and experimental results are carried out to validate the proposed method. |
| Starting Page | 302 |
| Ending Page | 309 |
| Page Count | 8 |
| ISSN | 17554535 |
| Volume Number | 11 |
| e-ISSN | 17554543 |
| Issue Number | Issue 2, Feb (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/11/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2017.0029 |
| Journal | IET Power Electronics |
| Publisher Date | 2017-09-15 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Active Bridges Communication Elimination Compact WPT System Control of Electric Power System Dual-side Phase Shift Control Method Fault Detection Method Load Modulation Local Control Utilisation MATLAB Phase Shift Angles Power Transmission Control PSA Radio Frequency Power Transmission Simple Control Logic Simulink Simulation Stability Stability Analysis Stability in Control Theory Voltage Control Voltage Regulation Wireless Power Transfer System |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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