Inspec keywords: HVDC power convertors; power transmission protection; current limiting reactors; power grids; fault diagnosis; HVDC power transmission; power transmission faults; power transmission lines
Other keywords: EMTDC; short-circuit fault characteristics; internal faults; dc transmission line protection method; TP; fault voltage; PSCAD; external faults; single-end protection scheme; current-limiting reactors; four-terminal symmetrical bipolar HVDC grid; abrupt changing point; multilevel converter-based HVDC grid; transition period; transient voltages; MMC; fast single-end line protection method; protection technique; meshed multiterminal HVDC grid
Subjects: DC-AC power convertors (invertors); d.c. transmission; Protection apparatus; AC-DC power convertors (rectifiers); Power transmission lines and cables