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

Guoqing Gao; Heng Wu; Xiongfei Wang

doi:10.1109/PEDG54999.2022.9923236

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

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

10 Citations (Scopus)

74 Downloads (Pure)

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.

Original language	English
Title of host publication	2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
Publisher	IEEE (Institute of Electrical and Electronics Engineers)
Publication date	2022
ISBN (Electronic)	9781665466189
DOIs	https://doi.org/10.1109/PEDG54999.2022.9923236
Publication status	Published - 2022
Event	13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022 - Kiel, Germany Duration: 26 Jun 2022 → 29 Jun 2022

Conference

Conference	13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022
Country/Territory	Germany
City	Kiel
Period	26/06/2022 → 29/06/2022

Series	IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
ISSN	2329-5767

Bibliographical note

Funding Information:
This work is funded by the European Union’s Horizon 2020 Research and Innovation Program under the Marie Sklodowska-Curie grant agreement No 861398.

Publisher Copyright:
© 2022 IEEE.

Keywords

converter control
fault current
Offshore wind farms
power electronic converter
protection relay

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10.1109/PEDG54999.2022.9923236

Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind FarmsAccepted author manuscript, 874 KB

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Gao, Guoqing ; Wu, Heng ; Wang, Xiongfei. / Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms. 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022. IEEE (Institute of Electrical and Electronics Engineers), 2022. (IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) ).

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title = "Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms",

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.",

keywords = "converter control, fault current, Offshore wind farms, power electronic converter, protection relay",

author = "Guoqing Gao and Heng Wu and Xiongfei Wang",

note = "Funding Information: This work is funded by the European Union{\textquoteright}s Horizon 2020 Research and Innovation Program under the Marie Sklodowska-Curie grant agreement No 861398. Publisher Copyright: {\textcopyright} 2022 IEEE.; 13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022 ; Conference date: 26-06-2022 Through 29-06-2022",

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language = "English",

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Gao, G , Wu, H & Wang, X 2022, Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms. in 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022. IEEE (Institute of Electrical and Electronics Engineers), IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) , 13th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022, Kiel, Germany, 26/06/2022. https://doi.org/10.1109/PEDG54999.2022.9923236

Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms. / Gao, Guoqing ; Wu, Heng ; Wang, Xiongfei.
2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022. IEEE (Institute of Electrical and Electronics Engineers), 2022. (IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) ).

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

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AU - Gao, Guoqing

AU - Wu, Heng

AU - Wang, Xiongfei

N1 - Funding Information: This work is funded by the European Union’s Horizon 2020 Research and Innovation Program under the Marie Sklodowska-Curie grant agreement No 861398. Publisher Copyright: © 2022 IEEE.

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Y1 - 2022

N2 - 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.

AB - 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.

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Gao G , Wu H , Wang X. Converter Control Impacts on Efficacy of Protection Relays in HVDC-Connected Offshore Wind Farms. In 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2022. IEEE (Institute of Electrical and Electronics Engineers). 2022. (IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) ). doi: 10.1109/PEDG54999.2022.9923236

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

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