Influence of current limitation on voltage stability with Voltage Sourced Converter HVDC

Lorenzo Zeni, Hjortur Johannsson, Anca D. Hansen, Poul E. Sørensen, Bo Hesselbæk, Philip C. Kjær

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

10 Citations (Scopus)

Abstract

A first study of voltage stability with relevant amount of Voltage Sourced Converter based High Voltage Direct Current (VSC-HVDC) transmission is presented, with particular focus on the converters' behaviour when reaching their rated current. The detrimental effect of entering the current limitation on the Power-Voltage (PV) curves at a load bus is exemplified on a three-bus system, proposing a method to model the converters in current limiting mode through ideal current sources. The influence of the current magnitude and angle on the reduced stability margin is analysed and results show that, when the current limit is reached, despite the detrimental effect brought about by an increased equivalent transmission impedance, the loss of stability margin can be minimised by proper control of the converter.
Original languageEnglish
Title of host publicationProceedings of the 2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013
Number of pages5
PublisherIEEE Press
Publication dateOct 2013
Article number6695271
ISBN (Print)978-147992984-9
DOIs
Publication statusPublished - Oct 2013
EventIEEE PES Innovative Smart Grid Technologies Europe, ISGT 2013 - Copenhagen, Denmark
Duration: 6 Oct 20139 Oct 2013

Conference

ConferenceIEEE PES Innovative Smart Grid Technologies Europe, ISGT 2013
Country/TerritoryDenmark
CityCopenhagen
Period06/10/201309/10/2013

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