Robust local controllers design for the AC grid voltage control of an offshore wind farm
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Títol
Robust local controllers design for the AC grid voltage control of an offshore wind farmData de publicació
2021-04-14Editor
Elsevier; International Federation of Automatic Control (IFAC)ISSN
2405-8963Cita bibliogràfica
DÍAZ-SANAHUJA, Carlos; PEÑARROCHA-ALÓS, Ignacio; VIDAL-ALBALATE, Ricardo. Robust local controllers design for the AC grid voltage control of an offshore wind farm. IFAC-PapersOnLine, 2020, vol. 53, no 2, p. 12751-12756.Tipus de document
info:eu-repo/semantics/conferenceObjectVersió de l'editorial
https://www.sciencedirect.com/journal/ifac-papersonlineVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
In this paper we deal with the problem of voltage control of the AC grid in an offshore wind farm by means of several converters, all of them connected to the AC offshore grid at the Point of Common Coupling (PCC) ... [+]
In this paper we deal with the problem of voltage control of the AC grid in an offshore wind farm by means of several converters, all of them connected to the AC offshore grid at the Point of Common Coupling (PCC) through different transmission lines. We propose to control the voltage simultaneously by all the connected converters, i.e., we have multiple actuators with the same goal. However, the number of operative converters can change during the wind farm operation and dynamics changes. Thus, it is necessary to assure the stability of the whole system in all different scenarios. In order to achieve a global design and implementation strategy, we propose the use of same controller parameters for all converters. For this kind of wind farm topology, we address the design of controllers as an optimization problem where we seek to maximize the robustness against uncertainty in the model of transmission lines and changes in the number of connected wind turbines guaranteeing the stability of the whole system in all different scenarios as well as a given settling time. Due to the proposed design strategy it is not necessary communication between different converters and controllers do not need to be re-tuned when the number of connected converters changes. [-]
Descripció
Ponencia presentada en IFAC PapersOnLine 53-2 (2020) 12751–12756
Publicat a
IFAC PapersOnLine 53-2 (2020) 12751–12756Drets d'accés
Copyright © 2020 The Authors
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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