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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhang, Chao Gao, Zhigang Chen, Te Yang, Jie |
| Abstract | A high-frequency isolated bidirectional DC/DC converter based on the combination of an H-bridge, a three-level half-bridge and a three-phase full bridge topology is proposed for electric vehicle applications. The 24 V low-voltage battery pack is the power supply of the converter and it is raised to about 144 V, which is then converted to three-phase AC voltage to drive the induction motor. A multilevel high-frequency link is proposed to implement the conversion from the low voltage side (LVS) to the high voltage side (HVS). The switching patterns and single-phase three-level pulse width modulation is proposed to maintain the voltage on HVS and to control the power flowing out of the battery. The zero voltage switching characteristics of the low rating-voltage metal-oxide-semiconductor field-effect transistors on LVS and HVS are analyzed. The algorithms to suppress DC bias of magnetising current and to equalise the capacitor voltages are also introduced. The effectiveness and the control strategy of the proposed converter are verified by simulation and experimental results. |
| Starting Page | 1742 |
| Ending Page | 1751 |
| Page Count | 10 |
| 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 | 2019-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Asynchronous Machine Bidirectional Power Flow Ability DC Bias Suppression DC-DC Power Converter Electric Vehicle Electric Vehicle Application H-bridge High Voltage Side Analysis High-frequency Isolated Bidirectional DC-DC Converter HVS Analysis Induction Motor Induction Motors Insulated Gate Field Effect Transistors Load Flow Control Low Rating-voltage Metal-oxide-semiconductor Field-effect Transistors Low Voltage Side Analysis Low-voltage Battery Pack LVS Analysis Magnetising Current MOSFET Multilevel High-frequency Link Power Electronics Power Flow Control Power Supply PWM Power Converter Single-phase Three-level Pulse Width Modulation Supervisory Circuit Three-level Half-bridge Topology Three-level High-frequency Link Three-phase AC Voltage Three-phase Full Bridge Topology Transport Control Transportation Transportation System Control Voltage 24.0 V Zero Voltage Switching Zero Voltage Switching Characteristic |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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