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A New Power Flow Controller for HVDC Grids and its Protection against Ground Faults
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electric Power and Energy Systems.ORCID iD: 0000-0002-9405-0353
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering.ORCID iD: 0009-0007-5271-0150
Hitachi Energy Research, Västerås, Sweden.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electric Power and Energy Systems.ORCID iD: 0000-0002-1755-1365
2025 (English)In: 2025 IEEE Energy Conversion Congress and Exposition Asia: Shaping a Greener Future with Power Electronics, ECCE-Asia 2025, Institute of Electrical and Electronics Engineers (IEEE) , 2025Conference paper, Published paper (Refereed)
Abstract [en]

A power flow controller (PFC) may be needed to control the currents and power transmitted in the transmission lines in a highly meshed HVDC system. The paper presents a new and simple topology for series interline PFC for a simple 3 terminal HVDC system. Interline PFCs do not need an external power supply to change the current distribution in the HVDC system. The performance of the proposed PFC during steady state operation and ground faults is analyzed in detail using PLECS software. A protection circuit and its design aspects are also proposed for ground faults on one of the cables.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2025.
Keywords [en]
ground fault, HVDC, Interline converter, Power Flow controllers, protection
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-370823DOI: 10.1109/ECCE-Asia63110.2025.11112492Scopus ID: 2-s2.0-105015675104OAI: oai:DiVA.org:kth-370823DiVA, id: diva2:2003161
Conference
17th IEEE Energy Conversion Congress and Exposition Asia, ECCE-Asia 2025, Bengaluru, India, May 11-14, 2025
Note

Part of ISBN 9798331518868

QC 20251003

Available from: 2025-10-03 Created: 2025-10-03 Last updated: 2025-10-03Bibliographically approved

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Bhadoria, ShubhangiYe, TingzhenNee, Hans-Peter

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