To protect the converters and minimize the power transmission interruption during dc line
faults, it is necessary to detect the faults at ultra high speed for the modular multilevel …

Voltage source converter–based multiterminal dc (MTdc) grids, including high-and medium-
voltage levels, have attracted attention in recent years and developed fast. To protect the …

A large high-voltage direct current (HVdc) reactor is required in modular multilevel converter
(MMC) projects to realize dc fault current limiting (FCL). This condition may result in adverse …

Three-phase multiplexing arm modular multilevel converter (TPMA-MMC) possesses lower
cost, smaller volume, and higher efficiency compared with MMC. However, the limited …

Three-phase multiplexing arm modular multilevel converter (TPMA-MMC) possesses cost-
efficiency advantage by employing a pair of multiplexing arms. However, the narrow …

A modular multilevel converter‐based high voltage direct current (MMC‐HVDC) system
involves a large number of cascading submodules (SMs). The failure of SMs may critically …

The current‐limiting reactor is currently the most used fault current limiting technique to
ensure the fault ride‐through of the multi‐terminal dc grid. However, its configuration will …

Converter valve is the key equipment of power grid, the safety and reliability deeply affect
the reliability of power grid. In the industry, infrared and discharge sensors have been widely …

In order to clarify the distribution law of the ultraviolet photon field in gas insulated
switchgear busbar, meanwhile to correct the detection range of the ultraviolet sensor, the …

Three-phase multiplexing arm modular multilevel converter (TPMA-MMC) exhibits its cost-
efficient characteristics. However, the narrow operation range [0.82, 1] of it, attributed to the …