Inspec keywords: power system reliability; power transformers; power system protection; power system faults; relay protection; power grids

Other keywords: power system; root cause; wrong setting; voltage 60.0 kV; distance protection; reliable operation; protection relays; consecutive blackouts; insufficient setting; future blackouts; distance relays; transformer; blackout case studies; voltage 150.0 kV; insufficient testing; feeders

Subjects: Reliability; Power system protection; Transformers and reactors