The development of flexible AC transmission and multi-terminal DC grid is in an urgent
demand for DC circuit breaker (DCCB) technology with faster switching speed, strong …

To promote the integration of renewable energy resources into modern energy systems,
high-voltage dc (HVdc) and circuit breaker (CB) technologies have become critical to …

Hybrid dc circuit breaker (HCB) is currently the most promising dc circuit breaker. However,
since it requires hundreds of semiconductor switches to withstand high transient interruption …

This paper deals with the modeling, hardware results and model validation by
measurements of a VSC assisted resonant current (VARC) dc circuit breaker (CB) and the …

In order to ensure that the healthy lines continue to operate after the line fault, the multi-
terminal high voltage direct current (MTDC) grid based on half-bridge modular multilevel …

Due to the interconnected scheme of multiple components, such as distributed generators,
storage systems, and loads through converters to a common bus in DC microgrids, the …

Protection of dc line faults is a major challenge for the operation of multi-terminal high-
voltage dc (MT-HVDC) grids. To avoid blocking converter and system shutdown, ultra-fast …

To maintain reactive power balance, Circuit Breakers (CBs) in AC filter branches of Line
Commutated Converter-High Voltage Direct Current (LCC-HVDC) substation need to be …

With the development of a distributed generation, direct current (DC) load and energy‐
storage equipment, voltage‐source‐converter‐based medium‐voltage DC systems (VSC …

Modular DC circuit breakers (MDCCBs) are widely used to protect multi-terminal HVDC (MT-
HVDC) girds. However, the metal-oxide varistor (MOV) failure detection of MDCCBs still …