Abstract
With the rapid development of the aviation industry, more and more regional flights have been put into commercial use to meet the needs of different regions. In order to respond to the call for “carbon neutrality”, regional aircrafts also need to develop towards the trend of “more-electric”. When designing an on-board electric power system, a large number of simulation experiments are required to measure the operation of the entire system in steady state and various fault conditions. Therefore, there is an increasing demand for more accurate modeling of on-board power systems. Especially under fault conditions, it is extremely helpful for the design of the reconstruction diagram to accurately simulate the reconstruction sequence under fault conditions. In this paper, the hardware modeling of the contactor and the hardware interlock structure are modeled, which makes the modeling of the on-board power system more accurate. This paper also builds a classic turboprop regional aircraft power system at the behaviour level, and carries out the simulation under steady state and TRU fault conditions, showing that both the transient process and the reconstruction sequence can be accurately simulated.
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