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Grounding Design and Fault Analysis of MMC Based Flexible Interconnection Device in Future Distribution Networks
- Source :
- 2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC).
- Publication Year :
- 2018
- Publisher :
- IEEE, 2018.
-
Abstract
- This paper presents the grounding design and fault analysis of a modular multilevel converter (MMC) based multi-port flexible interconnection device (FID) for future distribution networks. Based on the requirements of the FID, zig-zag transformer, large reactance grounding, and mid-point grounding schemes are investigated. Characteristics of these grounding schemes are analyzed and compared under both single line-to-ground (SLG) fault on the AC side and single pole-to-ground (SPG) fault on the DC side. Based on the performances of the grounding schemes, zig-zag transformer grounding is proved to be more attractive on both medium and low voltage sides of the proposed FID system.
- Subjects :
- Interconnection
Distribution networks
business.industry
Computer science
Ground
020209 energy
Reactance
Electrical engineering
02 engineering and technology
Modular design
law.invention
law
0202 electrical engineering, electronic engineering, information engineering
Fault analysis
business
Transformer
Low voltage
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- 2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)
- Accession number :
- edsair.doi...........7e9fe0b62536fc83de70251c3f610888