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| Content Provider | IET Digital Library |
|---|---|
| Author | Teng, Hiu Zhong, Yulin Bai, Hua |
| Abstract | Wide-bandgap (WBG) devices such as SiC and GaN switches are regarded as next-generation power semiconductors, due to their superior performance over conventional Si devices, for instance, a low switching loss and high thermal conductivity. Its bottleneck, however, is the high cost, which is critical for renewable energy and automotive industries. This study adopts SWISS AC/DC rectifier topology for the three-phase 380–480 VAC along with an isolated DC/DC converter, indicating such topology can maximise the advantages of Si (low conduction loss) and SiC (high switching loss), altogether thereby yielding the high performance and low cost. A novel space-vector pulse width modulation (SVPWM) was proposed to control such a current-source power factor correction, where only two SiC devices were adopted for the DC-bus voltage control. The closed-loop control of the grid current is realised for the unity power factor. Such topology further allows the DC-bus voltage to be varied with the output voltage, thereby minimising the system loss. A final prototype was built to charge a 48 V battery at 11 kW. Experimental results validated the effectiveness of such battery charger design. |
| Starting Page | 231 |
| Ending Page | 239 |
| Page Count | 9 |
| ISSN | 20429738 |
| Volume Number | 8 |
| e-ISSN | 20429746 |
| Issue Number | Issue 4, Dec (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-est/8/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-est.2017.0083 |
| Journal | IET Electrical Systems in Transportation |
| Publisher Date | 2018-03-20 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC-DC Power Converter Battery Chargers Battery Powered Vehicle Closed Loop System Closed-loop Control System Control of Electric Power System Current-source Power Factor Correction Current-SVPWM Controlled SWISS AC-DC Converter DC-bus Voltage Control DC-DC Power Converter Electric Current Control Gallium Nitride Switch GaN High Cost High Switching Loss High Thermal Conductivity II-VI And III-V SemiConductor III-V SemiConductor Isolated DC-DC Converter Low Conduction Loss Low Switching Loss Next-generation Power SemiConductor Power 11 KW Power Factor Correction PWM Power Converter Rectifier Rectifying Circuit SiC Silicon Carbide + Silicon Three-phase Electric Vehicle Battery Charger Silicon Carbide Device Silicon Carbide Switch Silicon Device Space-vector Pulse Width Modulation SWISS AC-DC Rectifier Topology Switching Converter System Loss Minimisation Transportation Transportation System Control Unity Power Factor Variable-DC-bus DC-DC Converter Voltage 48 V Voltage Control Wide-bandgap Device |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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