Multi-terminal HVDC grids with inertia mimicry capability

Zhang, W; Rouzbehi, K; Luna, A; Gharehpetian, GB; Rodriguez, P

Multi-terminal HVDC grids with inertia mimicry capability

Zhang, W Rouzbehi, K

Luna, A Gharehpetian, GB Rodriguez, P

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Publisher:: INST ENGINEERING TECHNOLOGY-IET
Publication Type:: Journal Article
Citation:: IET Renewable Power Generation, 2016, 10, (6), pp. 752-760
Issue Date:: 2016-07-01

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Field	Value	Language
dc.contributor.author	Zhang, W
dc.contributor.author	Rouzbehi, K https://orcid.org/0000-0002-3623-4840
dc.contributor.author	Luna, A
dc.contributor.author	Gharehpetian, GB
dc.contributor.author	Rodriguez, P
dc.date.accessioned	2022-08-20T22:11:21Z
dc.date.available	2022-08-20T22:11:21Z
dc.date.issued	2016-07-01
dc.identifier.citation	IET Renewable Power Generation, 2016, 10, (6), pp. 752-760
dc.identifier.issn	1752-1416
dc.identifier.issn	1752-1424
dc.identifier.uri	http://hdl.handle.net/10453/160587
dc.description.abstract	The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting offshore wind energy. In this study, inertia mimicry capability is added to a voltage-source converter-HVDC grid-side station in an MTDC grid connected to a weak ac grid, which can have low inertia or even operate as an islanded grid. The presented inertia mimicry control is integrated in the generalised voltage droop strategy implemented at the primary level of a two-layer hierarchical control structure of the MTDC grid to provide higher flexibility, and thus controllability to the network. Besides, complete control framework from the operational point of view is developed to integrate the low-level control of the converter stations in the supervisory control centre of the MTDC grid. A scaled laboratory test results considering the international council on large electric systems (CIGRE) B4 MTDC grid demonstrate the good performance of the converter station when it is connected to a weak islanded ac grid.
dc.language	English
dc.publisher	INST ENGINEERING TECHNOLOGY-IET
dc.relation.ispartof	IET Renewable Power Generation
dc.relation.isbasedon	10.1049/iet-rpg.2015.0463
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering
dc.subject.classification	Energy
dc.title	Multi-terminal HVDC grids with inertia mimicry capability
dc.type	Journal Article
utslib.citation.volume	10
utslib.for	0906 Electrical and Electronic Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-20T22:11:20Z
pubs.issue	6
pubs.publication-status	Published
pubs.volume	10
utslib.citation.issue	6

Abstract:

The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting offshore wind energy. In this study, inertia mimicry capability is added to a voltage-source converter-HVDC grid-side station in an MTDC grid connected to a weak ac grid, which can have low inertia or even operate as an islanded grid. The presented inertia mimicry control is integrated in the generalised voltage droop strategy implemented at the primary level of a two-layer hierarchical control structure of the MTDC grid to provide higher flexibility, and thus controllability to the network. Besides, complete control framework from the operational point of view is developed to integrate the low-level control of the converter stations in the supervisory control centre of the MTDC grid. A scaled laboratory test results considering the international council on large electric systems (CIGRE) B4 MTDC grid demonstrate the good performance of the converter station when it is connected to a weak islanded ac grid.

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http://hdl.handle.net/10453/160587