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| Content Provider | IET Digital Library |
|---|---|
| Author | Liu, Ran Xu, Lie Kang, Yuanli Hui, Yannian Li, Yongdong |
| Abstract | It is an important trend to develop the more electric aircraft (MEA) ±270 V high-voltage direct current (HVDC) power system because of its better reliability, power quality and power density. However, there also exists the low-voltage 28 V DC system in HVDC power system, for the aviation battery and some equipment still rely on it. In traditional MEA power systems, battery is only used as a backup power supply, hardly participating in the adjustment of the power system. On the other hand, the function of turbine engine is unidirectional. Hence, it's necessary to add an energy storage port. In this research, the authors put forward the problems of power coupling and strong non-linearity in traditional three-port triple active bridge (TAB) converters, and propose a decoupled TAB topology, which has the feature of decoupled power flow. The topology is compatible with ±270 V DC, 28 V DC and energy storage system with high-power density and efficiency. In addition, the authors unify the efficiency optimisation problem of dual active bridge topology mathematically and provide an optimal parameter design approach for inductance and turns ratio. Simulation results show the power flow control strategy is appropriate for the topology. |
| Starting Page | 593 |
| Ending Page | 602 |
| Page Count | 10 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0033 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-02-05 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Aerospace And Avionic Power Supplies Aircraft Power System Aviation Battery Backup Power Supply Bridge Circuit Conventional Aircraft Power System D.C. Transmission DC-DC Power Converter Decoupled Power Flow Decoupled TAB Converter Decoupled TAB Topology Dissipative Resistors Dual Active Bridge Topology Efficiency Optimisation Problem Energy Storage Energy Storage Port Energy Storage System High-power Density High-voltage Direct Current Power System HVDC Power Converter HVDC Power System HVDC Power Transmission Load Flow Low-voltage DC System MEA Power System More Electric Aircraft Motor Multiport Active Bridge Topology Derivative Rule Optimal Parameter Design Approach Optimisation Optimisation Technique Power Coupling Power Decoupling Power Electronics Power Flow Control Strategy Power Quality Power Supply Power Supply Quality Regenerative Energy Reliability Supervisory Circuit Three-port Triple Active Bridge Converter Turbine Engine Voltage 28.0 V Voltage Stability |
| Content Type | Text |
| Resource Type | Article |
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