| Citation: | BU Feifei, SHI Jianyu, LI Peng, et al. AC-DC integrated aviation power generation system based on dual winding induction generator[J]. Journal of Aerospace Power, 2024, 39(3):20220894 doi: 10.13224/j.cnki.jasp.20220894 |
In order to meet the requirements for high power density, high-quality power supply and AC-DC hybrid power supply for aviation power generation system proposed by aircraft multi-electrification, a variety of AC-DC integrated power generation schemes were compared, and their advantages and disadvantages were analyzed. An AC-DC integrated power generation system based on dual winding induction generator was proposed. The system made full use of the dual-winding induction generator stator with two sets of three-phase windings, so it can achieve a good AC-DC integrated power generation. After preliminary design of the generator, based on the multi-objective optimization algorithm, the dual-winding induction generator was optimized and designed with the objectives of efficiency and power density. An AC-DC integrated power generation control strategy based on active disturbance rejection control was adopted to improve the dynamic performance and load adaptability of the system. Finally, a generator of 60 kW (24 kW AC, 36 kW DC) dual-winding induction generator principle prototype was developed, and the experimental results verified that when the AC side increased and offloaded abruptly, the voltage changed within ±10 V and the recovery time was not more than 25 ms; when the DC side increased and offloaded abruptly, the voltage fluctuated within ±30 V and the recovery time was not more than 45 ms. The system with good dynamic and steady-state performance can realize high-quality AC-DC integrated power generation. Research results showed that the aero-AC-DC integrated power generation system based on dual-winding induction generator is expected to provide a competitive alternative for the multi-electric aircraft power generation system.
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