Nonunit protection based on the ratio of IVRW tangent envelope area for modular multilevel converter based HVDC grid

Nonunit protection based on the ratio of IVRW tangent envelope area for modular multilevel converter based HVDC grid

Abstract In modular multilevel converters-based DC power grid, short faults develop rapidly and have complex characteristics. The power electronic converter has a limited ability to withstand overcurrent. So, protection needs to quickly identify the fault area in an extremely short time. Non-unit pr...

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Bibliographic Details
Main Authors: Yao Sun, Yanfang Fan, Junjie Hou, Guobing Song
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Subjects:
Non-unit protection
MMC-HVDC
Fault initial voltage reversal wave
Distortion characteristic
Online Access:https://doi.org/10.1038/s41598-025-99775-2
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