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Enhanced power sharing transient with droop controllers for multi-three-phase synchronous electrical machines

Galassini, Alessandro; Costabeber, Alessandro; Degano, Michele; Gerada, Chris; Tessarolo, Alberto; Menis, Roberto

Authors

Alessandro Costabeber

Alberto Tessarolo

Roberto Menis



Abstract

This paper presents a droop-based dis- tributed control strategy for multi-three-phase machines that provides augmented controllability during power shar- ing transients. The proposed strategy is able to mitigate the mutual interactions among different sets of windings without controlling any sub-space variable, also offering a modular and redundant design. On the contrary, in a centralised configuration sub-spaces would be controlled using the Vector Space Decomposition, but fault tolerance and reliability levels required by the stricter regulations and policies expected in future transportation systems would not be satisfied. The proposed method is analytically com- pared against the state-of-the-art power sharing technique and equivalent models and control design procedures have been derived and considered in the comparison. Uncon- trolled power sharing transients and their effects on mu- tual couplings among isolated sets of windings have been compared against the proposed regulated ones. Experi- mental results on a 22kW nine-phase multi-three-phase synchronous machine rig validate the design procedures showing good agreement with the expected performances.

Journal Article Type Article
Publication Date 2019-07
Journal IEEE Transactions on Industrial Electronics
Print ISSN 0278-0046
Electronic ISSN 1557-9948
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 66
Issue 7
Pages 5600-5610
APA6 Citation Galassini, A., Costabeber, A., Degano, M., Gerada, C., Tessarolo, A., & Menis, R. (2019). Enhanced power sharing transient with droop controllers for multi-three-phase synchronous electrical machines. IEEE Transactions on Industrial Electronics, 66(7), 5600-5610. doi:10.1109/tie.2018.2868029
DOI https://doi.org/10.1109/tie.2018.2868029
Keywords Control and Systems Engineering; Electrical and Electronic Engineering
Publisher URL https://ieeexplore.ieee.org/document/8456680
Additional Information © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works.

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