The sharp rise in short-circuit currents of voltage-source converters is still a challenge for DC
grid reliability, which imposes stringent requirements on DC breakers. Therefore, fault …

This paper proposes an adaptive fault current limiting control (AFCLC) for modular multilevel
converters (MMC). Without introducing extra current limiting devices, this control scheme …

For the modular multilevel converter (MMC) based dc grid, dc fault current suppression is a
key issue. The existing fault current limiting methods by controlling half-bridge MMCs will …

The half‐bridge modular multilevel converter (HB‐MMC) is one of the most promising
topologies for high‐voltage direct current (HVDC) systems. Unlike full‐bridge MMC (FB …

In high voltage direct current (HVDC) transmission systems, based on voltage source
converters (VSC) with overhead line (OHL) segments, DC line faults have a strong impact on …

High-voltage direct current (HVDC) grids will require the development of dc protections that
provide fast fault isolation and minimize the disturbance caused to the existing ac power …

This paper presents a design-oriented analysis on the voltage stability and the transient fault
current limitation of voltage-controlled modular multilevel converter (MMC) with L-filters …

An accurate and efficient DC fault current assessment of modular multilevel converters
(MMCs) is critical for designs and protection. The state-of-the-art often ignores the impact of …

DC fault current limiters (FCLs) are becoming increasingly important for the prompt dc fault
clearance of modular multilevel converter (MMC)-based high-voltage direct current (HVdc) …

The eventual goal of high-voltage direct-voltage (HVDC) systems is to implement HVDC
grids. The modular multilevel converter (MMC) has been identified as the best candidate for …