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Stability Study for a Hybrid AC-DC More-Electric Aircraft Power System

机译:AC-DC混合电动飞机动力系统的稳定性研究

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The paper deals with the small-signal stability analysis of aircraft ac frequency-wild power systems representing a real ac-dc hybrid distribution architecture with a multiplicity of actuators, aircraft loads, and bus geometries. The $dq$ modelling approach is applied to derive individual power system component models and to constitute the corresponding generalized power system model as a powerful and flexible stability analysis tool. The element models can be interconnected in an algorithmic way according to a variety of the architecture selected. Intensive time-domain simulation and experimental results are used to verify the theoretical results. It is also shown how the proposed approach can be used to predict instability due to possible variations in operating points and system parameters.
机译:本文研究了飞机交流频率野生电力系统的小信号稳定性分析,该系统代表了具有多种执行器,飞机负载和总线几何形状的真正的交流-直流混合配电架构。 $ dq $建模方法适用于导出单个电力系统组件模型,并构成相应的广义电力系统模型,作为功能强大且灵活的稳定性分析工具。元素模型可以根据所选的各种体系结构以算法方式互连。密集的时域仿真和实验结果被用来验证理论结果。还显示了由于操作点和系统参数的可能变化,所提出的方法如何可用于预测不稳定性。

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