Optimal placement and control variable setting of power flow controllers in multi-terminal HVDC grids for enhancing static security

Heidary Yazdi, SS; Milimonfared, J; Fathi, SH; Rouzbehi, K

Optimal placement and control variable setting of power flow controllers in multi-terminal HVDC grids for enhancing static security

Heidary Yazdi, SS Milimonfared, J Fathi, SH Rouzbehi, K

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Publication Type:: Journal Article
Citation:: International Journal of Electrical Power and Energy Systems, 2018, 102 pp. 272 - 286
Issue Date:: 2018-11-01

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Field	Value	Language
dc.contributor.author	Heidary Yazdi, SS	en_US
dc.contributor.author	Milimonfared, J	en_US
dc.contributor.author	Fathi, SH	en_US
dc.contributor.author	Rouzbehi, K https://orcid.org/0000-0002-3623-4840	en_US
dc.date.issued	2018-11-01	en_US
dc.identifier.citation	International Journal of Electrical Power and Energy Systems, 2018, 102 pp. 272 - 286	en_US
dc.identifier.issn	0142-0615	en_US
dc.identifier.uri	http://hdl.handle.net/10453/133937
dc.description.abstract	© 2018 This research proposes an approach to select an optimal place and control variable setting for recently proposed Power Flow Controller (PFC)s including series, cascaded, and interline PFCs in Multi-Terminal High-Voltage DC (MT-HVDC) grids based on sensitivity analysis technique to enhance static security. To do so, appropriate static power injection models of the PFCs are obtained. Accordingly, sensitivity relationships between the defined power performance index and each PFCs control variable are obtained. It is for the optimal PFCs placement purpose in order to utilize maximum capacities of the transmission grid. Optimal settings for the PFC as well as the controllable voltage source converters are computed in turn by applying sequential quadratic programming solver to the developed security-based DC optimal power-flow problem which includes several corrective constraints. The study scope is single contingencies affecting HVDC lines with the objective of eliminating the consequent overloaded HVDC lines and thereby enhancing the MT-HVDC grid security by controlling the power flows within the MT-HVDC grid. Static simulations are performed considering two generic four-terminal and eighth-terminal MT-HVDC test grids in order to demonstrate the proposed methods effectiveness and authenticate its robustness. The obtained results indicate that the MT-HVDC grid can remain secure under single HVDC line contingencies in most cases by implementing the proposed method.	en_US
dc.relation.ispartof	International Journal of Electrical Power and Energy Systems	en_US
dc.relation.isbasedon	10.1016/j.ijepes.2018.05.001	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Energy	en_US
dc.title	Optimal placement and control variable setting of power flow controllers in multi-terminal HVDC grids for enhancing static security	en_US
dc.type	Journal Article
utslib.citation.volume	102	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
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	*
pubs.publication-status	Published	en_US
pubs.volume	102	en_US

Abstract:

© 2018 This research proposes an approach to select an optimal place and control variable setting for recently proposed Power Flow Controller (PFC)s including series, cascaded, and interline PFCs in Multi-Terminal High-Voltage DC (MT-HVDC) grids based on sensitivity analysis technique to enhance static security. To do so, appropriate static power injection models of the PFCs are obtained. Accordingly, sensitivity relationships between the defined power performance index and each PFCs control variable are obtained. It is for the optimal PFCs placement purpose in order to utilize maximum capacities of the transmission grid. Optimal settings for the PFC as well as the controllable voltage source converters are computed in turn by applying sequential quadratic programming solver to the developed security-based DC optimal power-flow problem which includes several corrective constraints. The study scope is single contingencies affecting HVDC lines with the objective of eliminating the consequent overloaded HVDC lines and thereby enhancing the MT-HVDC grid security by controlling the power flows within the MT-HVDC grid. Static simulations are performed considering two generic four-terminal and eighth-terminal MT-HVDC test grids in order to demonstrate the proposed methods effectiveness and authenticate its robustness. The obtained results indicate that the MT-HVDC grid can remain secure under single HVDC line contingencies in most cases by implementing the proposed method.

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http://hdl.handle.net/10453/133937