Dynamic bifurcation analysis of Advanced Aircraft Electric Power System (AAEPS) with non-linear loading

2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI:10.1109/IPMHVC.2012.6518864

H. E. Darkhaneh, H. El-kishky

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Abstract

In this article a comprehensive dynamic bifurcation analysis of the Variable Speed Constant Frequency (VSCF) Advanced Aircraft Electric Power System (AAEPS) corresponding to Boeing 767 is performed. A complete set of state space differential equations are developed to verify the aircraft electric power system stabilities under various loading configurations. In order to investigate the system's sustainability to any foreigner chaos, different loading scenarios, as well as variation in control parameters are considered. Furthermore, change in the operating frequency due to variation in the Synchronous Generator (SG) engine speed is studied. For changes in the loading profile, it is shown that the equilibrium point undergoes different bifurcation behaviors. Finally, the developed equations are implemented in Matlab, and the accuracy of obtained results is verified by exact time-domain simulations of a study model in the PSIM9 SW environment. Also, bifurcation diagrams which can assist engineers in identifying preferred/undesired regions of operations are presented for each case study.

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非线性载荷下先进飞机电力系统的动态分岔分析

本文对波音767型变速恒频(VSCF)先进飞机电力系统(AAEPS)进行了全面的动态分岔分析。建立了一套完整的状态空间微分方程，用于验证飞机电力系统在各种载荷配置下的稳定性。为了研究系统对任何外来混沌的可持续性，考虑了不同的加载情况以及控制参数的变化。此外，还研究了同步发电机(SG)发动机转速变化对工作频率的影响。随着加载剖面的变化，平衡点呈现出不同的分岔行为。最后，在Matlab中对所建立的方程进行了实现，并在psim9sw环境下对研究模型进行了精确的时域仿真，验证了所得结果的准确性。此外，为每个案例研究提供了分支图，可以帮助工程师确定优选/不希望的操作区域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

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