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Automated and scalable optimal control of three-phase embedded power grids including PLL

Dewar, David; Formentini, Andrea; Zanchetta, Pericle

Authors

David Dewar David.Dewar@nottingham.ac.uk



Abstract

Embedded grids have been increasingly adopted into applications such as More Electric Aircraft where different power converters are interconnected to each other. Interactions between the grid components poses the risk of instability to the system, more so when in the presence of reduced passive filters. An approach of automated and scalable tuning of such embedded grids with consideration for the dynamics introduced by a PLL is presented in this paper. A structured state feedback optimal control approach is proposed which enables a controller to be synthesised is such a way that maximum performance of the grid can be achieved, whilst guaranteeing power converter synchronisation to the grid, and avoiding instability due to converter interaction, and PLL dynamics.

Start Date Oct 1, 2017
Publication Date Nov 7, 2017
Book Title 2017 IEEE Energy Conversion Congress and Exposition (ECCE)
ISBN 978-1-5090-2998-3
APA6 Citation Dewar, D., Formentini, A., & Zanchetta, P. (2017). Automated and scalable optimal control of three-phase embedded power grids including PLL. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE)doi:10.1109/ECCE.2017.8096735
DOI https://doi.org/10.1109/ECCE.2017.8096735
Publisher URL https://ieeexplore.ieee.org/document/8096735
Additional Information © 2017 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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