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Distributed Secondary Frequency Control through MTDC Transmission Systems
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-7309-8086
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9940-5929
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2015 (English)In: 2015 54TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), Institute of Electrical and Electronics Engineers (IEEE), 2015, 2627-2634 p.Conference paper (Refereed)
Abstract [en]

In this paper, we present distributed controllers for sharing primary and secondary frequency control reserves for asynchronous AC transmission systems, which are connected through a multi-terminal HVDC grid. By using Lyapunov arguments, the equilibria of the closed-loop system are shown to be globally asymptotically stable. We quantify the static errors of the voltages and frequencies, and give upper bounds for these errors. It is also shown that the controllers have the property of power sharing, i.e., primary and secondary frequency control reserves are shared fairly amongst the AC systems. The proposed controllers are applied to a high-order dynamic model of of a power system consisting of asynchronous AC grids connected through a six-terminal HVDC grid.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. 2627-2634 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-197862DOI: 10.1109/CDC.2015.7402612ISI: 000381554502138ScopusID: 2-s2.0-84961990621ISBN: 978-1-4799-7886-1OAI: oai:DiVA.org:kth-197862DiVA: diva2:1058827
Conference
54th IEEE Conference on Decision and Control (CDC), DEC 15-18, 2015, Osaka, JAPAN
Note

QC 20161221

Available from: 2016-12-21 Created: 2016-12-08 Last updated: 2017-01-09Bibliographically approved

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Andreasson, MartinDimarogonas, Dimos V.Johansson, Karl H.
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