Droop control optimization for multi-terminal HVDC transmission system

Astrid Thoen; Magnus Svean; Olivier Lebas Vincent Maxime; Roni Irnawan; Filipe Miguel Faria da Silva

doi:10.1109/UPEC.2018.8541997

Droop control optimization for multi-terminal HVDC transmission system

Astrid Thoen, Magnus Svean, Olivier Lebas Vincent Maxime, Roni Irnawan, Filipe Miguel Faria da Silva

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

4 Citations (Scopus)

Abstract

This paper proposes a method to determine optimal voltage droop control values for converters in a VSC-based multi-terminal HVDC system (MTDC). The modelled MTDC system is obtained by connecting a wind-farm to an existing point-to-point (PtP) cable connection between two onshore converter stations. The challenge with such arrangement is to control the share of power between the two onshore converters. In order to overcome this problem, the DC voltage droop control will be implemented. In the end of the paper, a guideline will be presented to dictate how the power is shared between two converters in a 3-terminal MTDC system. The guideline explain how to determine the optimal droop constants k v , which is influenced by transmission losses, cable length between stations, converter limits (active power- and voltage limits) and their sensitivity regarding droop values. The results shows that different factors affect the choice of the droop constant.

Original language	English
Title of host publication	Proceedings of the 2018 53rd International Universities' Power Engineering Conference (UPEC)
Number of pages	6
Publisher	IEEE Press
Publication date	Sept 2018
Pages	1-6
ISBN (Print)	978-1-5386-2911-6
ISBN (Electronic)	978-1-5386-2910-9
DOIs	https://doi.org/10.1109/UPEC.2018.8541997
Publication status	Published - Sept 2018
Event	2018 53rd International Universities Power Engineering Conference - Glasgow, United Kingdom Duration: 4 Sept 2018 → 7 Sept 2018

Conference

Conference	2018 53rd International Universities Power Engineering Conference
Country/Territory	United Kingdom
City	Glasgow
Period	04/09/2018 → 07/09/2018

Keywords

DC voltage droop control
MTDC
HVDC technology
Droop control
Wind power
Upper lever control

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10.1109/UPEC.2018.8541997

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title = "Droop control optimization for multi-terminal HVDC transmission system",

abstract = "This paper proposes a method to determine optimal voltage droop control values for converters in a VSC-based multi-terminal HVDC system (MTDC). The modelled MTDC system is obtained by connecting a wind-farm to an existing point-to-point (PtP) cable connection between two onshore converter stations. The challenge with such arrangement is to control the share of power between the two onshore converters. In order to overcome this problem, the DC voltage droop control will be implemented. In the end of the paper, a guideline will be presented to dictate how the power is shared between two converters in a 3-terminal MTDC system. The guideline explain how to determine the optimal droop constants k v , which is influenced by transmission losses, cable length between stations, converter limits (active power- and voltage limits) and their sensitivity regarding droop values. The results shows that different factors affect the choice of the droop constant.",

keywords = "DC voltage droop control, MTDC, HVDC technology, Droop control, Wind power, Upper lever control",

author = "Astrid Thoen and Magnus Svean and Maxime, {Olivier Lebas Vincent} and Roni Irnawan and Silva, {Filipe Miguel Faria da}",

year = "2018",

month = sep,

doi = "10.1109/UPEC.2018.8541997",

language = "English",

isbn = "978-1-5386-2911-6",

pages = "1--6",

booktitle = "Proceedings of the 2018 53rd International Universities' Power Engineering Conference (UPEC)",

publisher = "IEEE Press",

note = "2018 53rd International Universities Power Engineering Conference, UPEC ; Conference date: 04-09-2018 Through 07-09-2018",

}

Thoen, A, Svean, M, Maxime, OLV, Irnawan, R & Silva, FMFD 2018, Droop control optimization for multi-terminal HVDC transmission system. in Proceedings of the 2018 53rd International Universities' Power Engineering Conference (UPEC). IEEE Press, pp. 1-6, 2018 53rd International Universities Power Engineering Conference, Glasgow, United Kingdom, 04/09/2018. https://doi.org/10.1109/UPEC.2018.8541997

Droop control optimization for multi-terminal HVDC transmission system. / Thoen, Astrid; Svean, Magnus; Maxime, Olivier Lebas Vincent et al.
Proceedings of the 2018 53rd International Universities' Power Engineering Conference (UPEC). IEEE Press, 2018. p. 1-6.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Droop control optimization for multi-terminal HVDC transmission system

AU - Thoen, Astrid

AU - Svean, Magnus

AU - Maxime, Olivier Lebas Vincent

AU - Irnawan, Roni

AU - Silva, Filipe Miguel Faria da

PY - 2018/9

Y1 - 2018/9

N2 - This paper proposes a method to determine optimal voltage droop control values for converters in a VSC-based multi-terminal HVDC system (MTDC). The modelled MTDC system is obtained by connecting a wind-farm to an existing point-to-point (PtP) cable connection between two onshore converter stations. The challenge with such arrangement is to control the share of power between the two onshore converters. In order to overcome this problem, the DC voltage droop control will be implemented. In the end of the paper, a guideline will be presented to dictate how the power is shared between two converters in a 3-terminal MTDC system. The guideline explain how to determine the optimal droop constants k v , which is influenced by transmission losses, cable length between stations, converter limits (active power- and voltage limits) and their sensitivity regarding droop values. The results shows that different factors affect the choice of the droop constant.

AB - This paper proposes a method to determine optimal voltage droop control values for converters in a VSC-based multi-terminal HVDC system (MTDC). The modelled MTDC system is obtained by connecting a wind-farm to an existing point-to-point (PtP) cable connection between two onshore converter stations. The challenge with such arrangement is to control the share of power between the two onshore converters. In order to overcome this problem, the DC voltage droop control will be implemented. In the end of the paper, a guideline will be presented to dictate how the power is shared between two converters in a 3-terminal MTDC system. The guideline explain how to determine the optimal droop constants k v , which is influenced by transmission losses, cable length between stations, converter limits (active power- and voltage limits) and their sensitivity regarding droop values. The results shows that different factors affect the choice of the droop constant.

KW - DC voltage droop control

KW - MTDC

KW - HVDC technology

KW - Droop control

KW - Wind power

KW - Upper lever control

U2 - 10.1109/UPEC.2018.8541997

DO - 10.1109/UPEC.2018.8541997

M3 - Article in proceeding

SN - 978-1-5386-2911-6

SP - 1

EP - 6

BT - Proceedings of the 2018 53rd International Universities' Power Engineering Conference (UPEC)

PB - IEEE Press

T2 - 2018 53rd International Universities Power Engineering Conference

Y2 - 4 September 2018 through 7 September 2018

ER -

Droop control optimization for multi-terminal HVDC transmission system

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