Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

This paper presents new approaches to determine the technical advantages of the switching operating, mainly in DC mode, due to any unanticipated transients, such as voltage dips, in a FDCL system. Thus, while using the DC operation voltage dip caused by either a fault in the upstream or downstream networks can be mitigated. In the case of voltage dips, the Voltage Source Converters (VSCs) must be able to ride-through the events to avoid a system short-interruption from a transient event. The aim of this paper is to broaden current knowledge for the case of a dip at the MV/LV substation at the point common coupling (PCC), where the VCSs should work to maintain the DC-side voltage and potentially also feed in reactive power to the upstream fault in order to minimize the dip penetration. Having this in mind, the DC-link is used to maintain the network throughout these events, thus an upstream dip should not have whichever effect on the medium voltage distribution network or even trip the system through its philosophy protection. Moreover, this paper sheds new light on the switching operation and its advantages through performance tests conducted in a smart grid laboratory using the flexible AC/DC-link in MV level.

Original languageEnglish
Title of host publicationSEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Electronic)978-1-7281-1156-8
DOIs
Publication statusPublished - 1 Sep 2019
Event2nd International Conference on Smart Energy Systems and Technologies, SEST 2019 - Porto, Portugal
Duration: 9 Sep 201911 Sep 2019

Conference

Conference2nd International Conference on Smart Energy Systems and Technologies, SEST 2019
CountryPortugal
CityPorto
Period9/09/1911/09/19

Fingerprint

Distribution Network
Cable
Electric power distribution
Cables
Voltage
Electric potential
Fault
Smart Grid
Performance Test
Reactive power
Penetration
Converter
Minimise

Keywords

  • dip mitigation
  • distribution network operator
  • Flexible AC/DC-link
  • Switching Matrix
  • VSC DC-link

Cite this

Castelo de Oliveira, T. E., van Overbeeke, F., Cuk, V., & de Jong, E. C. W. (2019). Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network. In SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies [8849113] Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/SEST.2019.8849113
Castelo de Oliveira, T.E. ; van Overbeeke, Frank ; Cuk, V. ; de Jong, Erik C.W. / Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network. SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies. Piscataway : Institute of Electrical and Electronics Engineers, 2019.
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Castelo de Oliveira, TE, van Overbeeke, F, Cuk, V & de Jong, ECW 2019, Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network. in SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies., 8849113, Institute of Electrical and Electronics Engineers, Piscataway, 2nd International Conference on Smart Energy Systems and Technologies, SEST 2019, Porto, Portugal, 9/09/19. https://doi.org/10.1109/SEST.2019.8849113

Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network. / Castelo de Oliveira, T.E.; van Overbeeke, Frank; Cuk, V.; de Jong, Erik C.W.

SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies. Piscataway : Institute of Electrical and Electronics Engineers, 2019. 8849113.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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AB - This paper presents new approaches to determine the technical advantages of the switching operating, mainly in DC mode, due to any unanticipated transients, such as voltage dips, in a FDCL system. Thus, while using the DC operation voltage dip caused by either a fault in the upstream or downstream networks can be mitigated. In the case of voltage dips, the Voltage Source Converters (VSCs) must be able to ride-through the events to avoid a system short-interruption from a transient event. The aim of this paper is to broaden current knowledge for the case of a dip at the MV/LV substation at the point common coupling (PCC), where the VCSs should work to maintain the DC-side voltage and potentially also feed in reactive power to the upstream fault in order to minimize the dip penetration. Having this in mind, the DC-link is used to maintain the network throughout these events, thus an upstream dip should not have whichever effect on the medium voltage distribution network or even trip the system through its philosophy protection. Moreover, this paper sheds new light on the switching operation and its advantages through performance tests conducted in a smart grid laboratory using the flexible AC/DC-link in MV level.

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Castelo de Oliveira TE, van Overbeeke F, Cuk V, de Jong ECW. Research on the switching process and unanticipated transient event for repurposing an AC cable with DC-link in distribution network. In SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies. Piscataway: Institute of Electrical and Electronics Engineers. 2019. 8849113 https://doi.org/10.1109/SEST.2019.8849113