A Protective Submodule Design for Increased Resiliency in Modular Multilevel Converters
Published In
2023 IEEE Energy Conversion Congress and Exposition (ECCE)
Document Type
Citation
Publication Date
2023
Abstract
Several distinguishing characteristics have made Modular Multilevel Converters (MMCs) an appealing option for high-voltage and high-power applications, especially in HVDC transmission systems. When DC faults occur, MMC-HVDC systems are prone to temporary outages. Blocking DC faults effectively is essential to protect converters and minimize power transmission interruptions in MMC-based HVDC transmissions. This paper presents a novel protective submodule for MMCs that can be used in HVDC transmission systems. This approach isolates the AC grid from the DC fault and blocks the AC feeding phenomenon. Further, the proposed DC protection scheme facilitates converter fault ride-through and system restoration after fault removal. Analytical, simulation, and experimental results are presented in the paper.
Locate the Document
DOI
10.1109/ECCE53617.2023.10362914
Persistent Identifier
https://archives.pdx.edu/ds/psu/41250
Publisher
IEEE
Citation Details
Saleki, A., Pordanjani, B. J., & Gupta, M. (2023, October 29). A Protective Submodule Design for Increased Resiliency in Modular Multilevel Converters. 2023 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ecce53617.2023.10362914