A novel FRT strategy for transformerless MMC to improve current differential protection performance under single-phase grounding faults

A novel FRT strategy for transformerless MMC to improve current differential protection performance under single-phase grounding faults

AC/DC distribution networks are interconnected by converters such as modular multilevel converters (MMCs). In AC/DC distribution networks, single-phase grounding (SPG) faults can cause enormous challenges in relay protection. Additionally, traditional MMCs’ fault ride-through (FRT) strategies cause...

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Bibliographic Details
Main Authors: Yuze Li, Peng Guo, Qianming Xu, Josep M. Guerrero
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:International Journal of Electrical Power & Energy Systems
Subjects:
Fault ride-through
Relay protection
Current injection
Online Access:http://www.sciencedirect.com/science/article/pii/S0142061525002807
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