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首页> 外文期刊>Aerospace and Electronic Systems, IEEE Transactions on >Large Signal Stability Analysis of ''More Electric'' Aircraft Power Systems with Constant Power Loads
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Large Signal Stability Analysis of ''More Electric'' Aircraft Power Systems with Constant Power Loads

机译：具有恒定功率负载的“更多电力”飞机动力系统的大信号稳定性分析

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摘要

This paper presents a detailed analysis of the dynamic behaviour of a hybrid ac-dc electric power system under large disturbances. The system under study is representative of a power distribution network which is currently being developed for future "more electric" aircraft (MEA). Brayton-Moser mixed potential is employed along with Lyapunov stability theorems to determine an analytical estimation of the large-signal stability boundary of the system. Extensive time- domain simulations using detailed behavioural models of the power system components are undertaken. It is shown that the analytically derived region of attraction agrees reasonably well with that obtained from the time-domain simulation. The predicted instability is experimentally validated.
机译：本文对大扰动下交流-直流混合电力系统的动态行为进行了详细分析。所研究的系统代表了配电网络的代表，该配电网络目前正在为未来的“更多电”飞机（MEA）开发。使用布雷顿－摩泽混合势和Lyapunov稳定性定理来确定系统大信号稳定性边界的分析估计。使用电力系统组件的详细行为模型进行了广泛的时域仿真。结果表明，分析得出的吸引力区域与从时域模拟获得的区域相当吻合。预测的不稳定性已通过实验验证。

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