A DC-Reactor-Based Solid-State Fault Current Limiter for HVdc Applications

Journal article (2019)

Authors

Amir Heidary Amirkabir University of Technology

Hamid Radmanesh Shahid Sattari Aeronautical University of Science and Technology

Kumars Rouzbehi Loyola University Andalusia

Josep Pou Nanyang Technological University

Affiliation

External organisation

Smart grids Fault current limiters Protection Dc-reactor HVdc

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Published Date

2019

Language

English

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Abstract

Expansion of high-voltage dc (HVdc) systems to multi-terminal HVdc (MT-HVdc) systems/grids considerably increases the short-circuit levels. In order to protect the emerging MT-HVdc systems/grids against fault currents, proper dc fault current limiters (FCLs) must be developed. This paper proposes an innovative high inductance solid-state dc-reactor-based FCL (HISS-DCRFCL) to be used in HVdc applications. In fact, during the HISS-DCRFCL normal operation, its inductance value is extremely low, and its value becomes considerably high during the fault period, which decreases the fault current amplitude. The proposed HISS-DCRFCL performance is analyzed by MATLAB/Simulink and the simulation results are verified and confirmed by laboratory experimental results using a scaled-down laboratory prototype setup.