An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft

Gao, Fei, Bozhko, Serhiy, Asher, Greg, Wheeler, Patrick and Patel, Chintanbai (2015) An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft. IEEE Transactions on Power Electronics, 31 (10). pp. 7369-7383. ISSN 0885-8993

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This paper proposes an improved voltage regulation method in multi-source based DC electrical power system in the more electric aircraft. The proposed approach, which can be used in terrestrial DC microgrids as well, effectively improves the load sharing accuracy under high droop gain circumstance with consideration of cable impedance. Since no extra communication line and controllers are required, it is easily implemented and also increases the system modularity and reliability. By using the proposed approach the DC transmission losses can be reduced and system stability is not deteriorated for normal and fault scenarios. In this paper optimal droop gain settings are investigated and the selection of individual droop gains as well as the proportional power sharing ratio has been described. Experimental results validate the effectiveness of the proposed method.

Item Type: Article
Additional Information: c2015 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: DC Power System, Droop Control, Load Sharing, Voltage Deviation, Transmission Losses
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: 21 Jun 2016 14:01
Last Modified: 04 May 2020 17:26

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