Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms

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Abstract

The high-voltage dc (HVDC)-connected offshore wind farms (OWF) is a power electronic converter dominated power system, where conventional protections, including overcurrent protection, distance protection, and differential protection, may not operable effectively. To reveal the impact of converter control on the efficacy of conventional protection relays, this paper first investigates the highly controlled fault current characteristics of HVDC system and OWF. Then, the basic operation principles of conventional protection relays are presented to elaborate their responses to the fault currents of HVDC system and of OWF, based on which, scenarios that lead to the malfunction of protection relays are identified. Finally, the theoretical analysis is verified by electromagnetic transient (EMT) simulations.

OriginalsprogEngelsk
Titel2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
ForlagIEEE
Publikationsdato2022
ISBN (Elektronisk)9781665466189
DOI
StatusUdgivet - 2022
Begivenhed13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022 - Kiel, Tyskland
Varighed: 26 jun. 202229 jun. 2022

Konference

Konference13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
Land/OmrådeTyskland
ByKiel
Periode26/06/202229/06/2022
NavnIEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
ISSN2329-5767

Bibliografisk note

Publisher Copyright:
© 2022 IEEE.

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