DESIGN AN SFCL FOR HVDC GRID

Abstract

The increasing use of HVDC systems for transmitting power over long distances and incorporating renewable energy sources has made dealing with fault currents a key concern to maintain grid stability and equipment safety. This thesis offers an overview of HVDC power systems by reviewing the existing HVDC system and how it contributed to our energy needs. It gives an in-depth examination of different SFCLs, showcasing their applicability and efficiency in HVDC settings. This paper also discusses HVDC switchgears that contribute towards maintaining a grid system and managing faults effectively. Finally, it focuses on the design of an SFCL specifically for HVDC grid protection, detailing the calculations and specifications needed to achieve effective fault current limitations. This study demonstrates how an SFCL can enhance the safety, resilience, and reliability of HVDC systems, addressing key challenges in modern power infrastructure.