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The subject of this paper falls under the development of power electronics for more electric aircraft systems. The study concerns the design of a converter whose function is to generate a 300-V dc bus from a standard 28-V dc avionic network. Various systems, such as motor drives, need to be connected to the 28-V dc network. Their design could be simplified significantly, and standardized, by introducing...
This paper presents a high performance 12 kW motor drive system for an aerospace application. In order to achieve higher power density and reliability, the system uses a PMSM motor, SiC MOSFET inverter, high performance PWM control, and liquid cooling with phase change material. A power density of 33 KW/KG was achieved for the power inverter and control electronics excluding the cooling loop, and...
The power converter for more electric engine in aircraft requires high power density, which makes SiC extremely attractive for this application. In this work, a 50 kW SiC high power density converter with the topology of three-phase two-level voltage source inverter is developed. Meanwhile, an accurate mathematical model for the power loss and efficiency calculation is proposed, which is based on...
Multiple approaches are available for designing more flexible and energy-efficient electrical grids on board aircraft in order to lower the weight of aeroplanes. Here, two novel concepts in aviation, dealing with intelligent switching nodes based on power semiconductors, are introduced. The balancing concepts (phase balancing and power feeder balancing) reduce the return currents and allow reduction...
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