Observer-based power-synchronization control for grid-forming converters

Tuure Nurminen; Rayane Mourouvin; Marko Hinkkanen; Jarno Kukkola; Mikko Routimo; Antti Vilhunen; Lennart Harnefors

doi:10.1109/PowerTech55446.2023.10202897

Observer-based power-synchronization control for grid-forming converters

Tuure Nurminen, Rayane Mourouvin, Marko Hinkkanen, Jarno Kukkola, Mikko Routimo, Antti Vilhunen, Lennart Harnefors

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussa › Conference contribution › Scientific › vertaisarvioitu

21 Lataukset (Pure)

Abstrakti

This paper proposes an observer-based power-synchronization control (OPSC) method for grid-forming converters. The method can also be utilized for the starting of synchronous generators. It is analogous to observer-based volts-per-hertz (V/Hz) control of electric machine drives, consisting of state-feedback control and an observer. A linearized model of the closed-loop system is derived, passivity of the mechanical subsystem is studied and tuning recommendations are given. The power tracking performance is assessed and compared to that of reference-feedforward power-synchronization control (RFPSC) with the help of simulations and laboratory experiments using a 12.5-kVA converter. The results show that the proposed control method provides good performance in both weak and strong grids.

Alkuperäiskieli	Englanti
Otsikko	2023 IEEE Belgrade PowerTech
Kustantaja	IEEE
Sivut	1-6
Sivumäärä	6
ISBN (painettu)	978-1-6654-8779-5
DOI - pysyväislinkit	https://doi.org/10.1109/PowerTech55446.2023.10202897
Tila	Julkaistu - 29 kesäk. 2023
OKM-julkaisutyyppi	A4 Artikkeli konferenssijulkaisussa
Tapahtuma	IEEE PowerTech - Belgrade , Serbia Kesto: 25 kesäk. 2023 → 29 kesäk. 2023 Konferenssinumero: 15

Conference

Conference	IEEE PowerTech
Maa/Alue	Serbia
Kaupunki	Belgrade
Ajanjakso	25/06/2023 → 29/06/2023

Pääsy asiakirjaan

10.1109/PowerTech55446.2023.10202897

Nurminen-PowerTech-2023Accepted author manuscript, 1,32 MB

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title = "Observer-based power-synchronization control for grid-forming converters",

abstract = "This paper proposes an observer-based power-synchronization control (OPSC) method for grid-forming converters. The method can also be utilized for the starting of synchronous generators. It is analogous to observer-based volts-per-hertz (V/Hz) control of electric machine drives, consisting of state-feedback control and an observer. A linearized model of the closed-loop system is derived, passivity of the mechanical subsystem is studied and tuning recommendations are given. The power tracking performance is assessed and compared to that of reference-feedforward power-synchronization control (RFPSC) with the help of simulations and laboratory experiments using a 12.5-kVA converter. The results show that the proposed control method provides good performance in both weak and strong grids.",

keywords = "Couplings, Uncertain systems, Analytical models, Electric machines, Observers, Synchronous generators, Closed loop systems",

author = "Tuure Nurminen and Rayane Mourouvin and Marko Hinkkanen and Jarno Kukkola and Mikko Routimo and Antti Vilhunen and Lennart Harnefors",

year = "2023",

month = jun,

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doi = "10.1109/PowerTech55446.2023.10202897",

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T1 - Observer-based power-synchronization control for grid-forming converters

AU - Nurminen, Tuure

AU - Mourouvin, Rayane

AU - Hinkkanen, Marko

AU - Kukkola, Jarno

AU - Routimo, Mikko

AU - Vilhunen, Antti

AU - Harnefors, Lennart

N1 - Conference code: 15

PY - 2023/6/29

Y1 - 2023/6/29

N2 - This paper proposes an observer-based power-synchronization control (OPSC) method for grid-forming converters. The method can also be utilized for the starting of synchronous generators. It is analogous to observer-based volts-per-hertz (V/Hz) control of electric machine drives, consisting of state-feedback control and an observer. A linearized model of the closed-loop system is derived, passivity of the mechanical subsystem is studied and tuning recommendations are given. The power tracking performance is assessed and compared to that of reference-feedforward power-synchronization control (RFPSC) with the help of simulations and laboratory experiments using a 12.5-kVA converter. The results show that the proposed control method provides good performance in both weak and strong grids.

AB - This paper proposes an observer-based power-synchronization control (OPSC) method for grid-forming converters. The method can also be utilized for the starting of synchronous generators. It is analogous to observer-based volts-per-hertz (V/Hz) control of electric machine drives, consisting of state-feedback control and an observer. A linearized model of the closed-loop system is derived, passivity of the mechanical subsystem is studied and tuning recommendations are given. The power tracking performance is assessed and compared to that of reference-feedforward power-synchronization control (RFPSC) with the help of simulations and laboratory experiments using a 12.5-kVA converter. The results show that the proposed control method provides good performance in both weak and strong grids.

KW - Couplings

KW - Uncertain systems

KW - Analytical models

KW - Electric machines

KW - Observers

KW - Synchronous generators

KW - Closed loop systems

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U2 - 10.1109/PowerTech55446.2023.10202897

DO - 10.1109/PowerTech55446.2023.10202897

M3 - Conference contribution

SN - 978-1-6654-8779-5

SP - 1

EP - 6

BT - 2023 IEEE Belgrade PowerTech

PB - IEEE

T2 - IEEE PowerTech

Y2 - 25 June 2023 through 29 June 2023

ER -

Observer-based power-synchronization control for grid-forming converters

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