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Decentralized Stability Conditions for Inverter-Based Microgrids

Accepted version
Peer-reviewed

Type

Conference Object

Change log

Authors

Lestas, I 

Abstract

We consider the problem of stability analysis of an inverter-based microgrid where higher order models are used for the inverter and line dynamics. Decentralized conditions are derived through which stability of the network can be deduced, with these formulated as input/output conditions on locally defined subsystems. The conditions derived allow to exploit the natural passivity properties of lines when these are represented in a common reference frame, but reduce the conservatism by additionally taking into account the coupling with neighbouring buses. Examples are given to demonstrate the results presented.

Description

Keywords

40 Engineering, 4007 Control Engineering, Mechatronics and Robotics, 4008 Electrical Engineering, 4009 Electronics, Sensors and Digital Hardware

Journal Title

Proceedings of the IEEE Conference on Decision and Control

Conference Name

2020 59th IEEE Conference on Decision and Control (CDC)

Journal ISSN

0743-1546
2576-2370

Volume Title

2020-December

Publisher

IEEE

Rights

All rights reserved
Sponsorship
European Research Council (679774)
ERC starting grant 679774