北美大停电 12:00 13:00 14:00 15:00 16:00 Phase 1: Phase 2: Phase 3: Phase 4: A normal afternoon FE's computer FE 345 kV line Collapse of degrades failures failures 138 kV system 12:15-14:14 14:14-15:59 15:05-15:57 15:39-16:08 13:31 1539 15420n Eastlake 5 14:02 First FE 138 kV 15 more FE trips Stuart-Atlanta 1427 1532 line fails 138 kV Ines fail 345 kV fails (tree) Star-S Canton Hanna-Juniper 345 kV trips 1541 345 kV fails (tree) 16:05 redoses (tree) 15,05 Star-S Canton Sammis -Star Harding-Chamberlin 345 kV fals (tree) 345 kV line 345 kV fails (tree) fails 1414 1441 15:08 12:15 FE EMS FE primary FE primary MISOSE alarms fail EMS server EMS server 1546-1559 problems 14:02 restarts pegin Stuarl-Atlanta 1420 FE IT rebooting H4,H1 345 kV line FE loses half 14:54 trip confuses its remote FE back-up EN MISO SE consoles server fails 1432 15:19 15.36 1545 15:46 15:56 AEP cals FE AEP again calls MISO calls FE AEP calls FE FE says PJM calls FE re:Star-S FE re:Star-S re:Star-Juniper re:multiple system re:Star-South Canton trip Canton line overloads could fail Canton 1542 1432 1535 FE operator 1548 1557 FE EMS AEP PJM tells IT FE manning FE calls MISO doesn't update work TLR alarms out substations re:line outages北美大停电