Modeling and impedance analysis of a single DC bus-based multiple-source multiple-load electrical power system

Gao, Fei and Bozhko, Serhiy (2016) Modeling and impedance analysis of a single DC bus-based multiple-source multiple-load electrical power system. IEEE Transactions on Transportation Electrification, 2 (3). pp. 335-346. ISSN 2332-7782

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The impedance based stability assessment method has been widely used to assess the stability of interconnected systems in different application areas. This paper deals with the source/load impedance analysis of the droop-controlled multiple sources multiple loads system which is a promising candidate in the future more-electric aircraft (MEA). This paper develops a mathematical model of the PMSG-based variable frequency generation system, derives the output impedance of the source subsystem including converter dynamics and shows the effect of parameters variation on source impedance and load impedance. A dynamic droop controller is proposed to provide the active damping to the system. In addition, the impedance analysis is extended to a generalized single bus-based multiple sources multiple loads system in which power losses are also investigated. The aforementioned analytical result is confirmed by experimental results.

Item Type: Article
Additional Information: c2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works
Keywords: Impedance, Droop control, Constant power load, Stability, More electric aircraft, DC power distribution
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Burns, Rebecca
Date Deposited: 14 Jul 2017 12:56
Last Modified: 04 May 2020 18:08

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