Abstract
In this article, an advanced multiphase modular power drive prototype is developed for More Electric Aircraft (MEA). The proposed drive is designed to supply a multi-phase permanent magnet (PM) motor rating 120 kW with 24 slots and 11 pole pairs. The power converter of the drive system is based on Silicon Carbide Metal Oxide Semiconductor Field-Effect Transistor (SiC MOSFET) technology to operate at high voltage, high frequency and low reverse recovery current. Firstly, an experimental characterization test is performed for the selected SiC power module in harsh conditions to evaluate the switching energy losses. Secondly, a finite element thermal analysis based on Ansys-Icepak is accomplished to validate the selected cooling system for the power converter. Thirdly, a co-simulation model is developed using Matlab-Simulink and LTspice® to evaluate the SiC power module impact on the performance of a multiphase drive system at different operating conditions. The results obtained show that the dynamic performance and efficiency of the power drive are significantly improved, which makes the proposed system an excellent candidate for future aircraft applications.
Highlights
The need to increase electrical energy proportion in transportation applications has given birth to the concept of More Electric Aircraft (MEA)
The results show that the thermal and of a multi-phase drive system under different operating conditions
2017, 10, 5 generator is used to generate the command signal (VCMD) which is set to 0/+5 V10at of20
Summary
The need to increase electrical energy proportion in transportation applications has given birth to the concept of More Electric Aircraft (MEA). In order to replace the Fenestron® tail rotor by an electric machine [2], a power drive system is developed considering multiple constraints such as reliability, fault tolerance, efficiency and weight. Conventional three-phase machines are very popular in electrical engineering but have a critical drawback: the loss of a single phase severely impacts the operation and performance of the machine. These machines have limited fault-tolerant capabilities [3,4,5,6,7,8,9].
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