Stability modeling of MMC-HVDC transmission system with differential flat control

AC asymmetry grid conditions put forward higher requirements for the stability control and performance of MMC-HVDC transmission systems. This thesis proposes a small-signal modeling method of an MMC-HVDC transmission system with differential flat control for AC asymmetry grid conditions, incorporati...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 2741; no. 1; pp. 12068 - 12076
Main Authors Feng, Zheng, Li, Hui
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.04.2024
Subjects
Asymmetry
Control stability
Control systems
Dynamic models
Modelling
Suppressors
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Summary:AC asymmetry grid conditions put forward higher requirements for the stability control and performance of MMC-HVDC transmission systems. This thesis proposes a small-signal modeling method of an MMC-HVDC transmission system with differential flat control for AC asymmetry grid conditions, incorporating dynamic models of MMC internal characteristics, new control systems, circulation suppressors, and DC lines. To prove the accuracy of the pre-sended small-signal model, a two-terminal MMC-HVDC test system with differential flat control is constructed on the PSCAD/EMTDC platform.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2741/1/012068