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Stability analysis of electric power systems for ‘more\ud electric’ aircraft

By Antonio Griffo, J.B. Wang and D. Howe


This paper presents a comprehensive assessment of small-signal stability for a “more-electric”\ud aircraft power system consisting of a synchronous variable-frequency generator which supplies several power\ud electronic controlled loads via an 18-pulse autotransformer rectifier unit (ATRU) for AC-DC conversion.\ud Functional models for key power system components and loads are derived. Numerical tools employed for the\ud automatic calculation of linearized equations and operating points are described, and the influence of leading\ud design and operational parameter on system stability is evaluated

Year: 2008
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