The safe and reliable operation of offshore voltage-source-converter-based high-voltage
direct current (VSC-HVDC) transmission systems poses a significant challenge to the …

Multi-terminal HVDC grids facilitate the integration of various renewable resources from
distant locations; in addition, they enhance the reliability and stability of the grid. Protection …

With the development of power electronics technology, the flexible DC grid will play a
significant role in promoting the transformation and reformation of the power grid. It is …

Multi-terminal HVDC grid has extremely high demand for protection speed of DC lines,
consequently, the sampling time window of the main protection is very short, which affects its …

Aiming at the problems currently existing in transmission line protection for modular
multilevel converter (MMC) based high voltage direct current (HVDC) grids, this paper …

With the rapid development of renewable energy, multi-terminal flexible DC grids composed
of modular multilevel converters have been widely used in power systems. To ensure the …

In MMC-HVDC grid, the pilot protection is generally used as the backup protection for dc
line. And in some dc grids, it can be considered as the primary protection, such as in the …

In order to satisfy the high reliability and high-speed operation requirements of the voltage
source converter based high voltage DC (VSC-HVDC) grids, a pilot protection principle …

The over-current capacity of half-bridge modular multi-level converter (MMC) is quite weak,
which requests protections to detect faults accurately and reliably in several milliseconds …

Multi-terminal high voltage DC (MT-HVDC) grid has broad application prospects in
connecting different energy sources, asynchronous interconnection of power grids, remote …