Due to the rapid development of DC transmission, research on DC side fault protection has
also made significant progress. The bipolar short-circuit fault is one of the most severe types …

DC circuit breakers (DCCBs) are key pieces of equipment to ensure the safe and stable
operation of DC grids. However, current DCCB schemes generally have problems such as a …

The hybrid dc circuit breaker is one of the most promising dc circuit breakers (DCCBs).
However, its cost is relatively high, and the completion of its fault isolation is significantly …

The inclusion of a large number of controllable semiconductor devices in conventional
hybrid dc circuit breakers (HCBs) may significantly increase the cost of an HVdc grid …

The DC circuit breaker (DCCB) is a critical device that ensures the safe and reliable
operation of the DC transmission system. As the level of DC voltage and transmission power …

In the field of fault isolation and clearance in flexible DC power grids, hybrid DC circuit
breakers (HDCCB) have been widely used because of their advantages. However, their …

Nowadays, traditional DC circuit breakers (DCCBs) are always expensive and lack current-
limiting capabilities. Hence, this paper proposes a current limiting and low-cost hybrid DC …

Since most of renewable energy resources are dc type, dc microgrids find more attention in
deregulated power systems for improvement of reliability and efficiency of the system. In dc …

DC circuit breakers (DCCBs) are the key equipment to rapidly interrupt the fault current in
high-voltage DC power grids and ensure the safe operation of the system. However, most …

Due to the low impedance characteristic of the high voltage direct current (HVDC) grid, the
fault current rises extremely fast after a DC-side fault occurs, and this phenomenon seriously …