Hardware-in-the-loop Tests on Distance Protection Considering VSC Fault-ride-through Control Strategies

Jundi Jia*, Guangya Yang, Arne Hejde Nielsen, Peter Rønne-Hansen

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

The short-circuit response of a voltage source converter (VSC) can vary from each other significantly with different control strategies. This study investigates the performance of distance protection under unbalanced faults considering two control strategies during fault-ride-through using hardware-in-the-loop tests. Variations on fault type, converter current limit, fault resistance and pre-fault power flow conditions are also examined. The tests reveal that the error in measured impedance caused by fault resistance will be enlarged in a converter-dominated power system. The first control strategy tends to cause overreach problem while the second can raise both overreach and underreach problems. The indeterminacy associated with the second strategy is jointly affected by control parameters, converter current limit, fault resistance and pre-fault power flow conditions. The findings of this study can help to stipulate grid requirements under unbalanced faults.
Original languageEnglish
JournalThe Journal of Engineering
Volume2018
Issue number15
Pages (from-to)824-829
ISSN2051-3305
DOIs
Publication statusPublished - 2018
EventThe 14th International Conference on Developments in Power System Protection (DPSP 2018) - Belfast, United Kingdom
Duration: 12 Mar 201815 Mar 2018

Conference

ConferenceThe 14th International Conference on Developments in Power System Protection (DPSP 2018)
CountryUnited Kingdom
CityBelfast
Period12/03/201815/03/2018

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