Inspec keywords: invertors; rectifying circuits; HVDC power transmission; power transmission control; commutation; failure analysis; power transmission reliability

Other keywords: economic characterisation; flexible HVDC system; inverter; commutation failure; amplitude angle; rectifier; state enumeration method; output voltage; reliability model; degrees of freedom; high-voltage direct current system; phase angle; control systems

Subjects: d.c. transmission; Power system control; Control of electric power systems; Reliability