Power Plant and Transmission System Power Plant and Transmission System Protection Coordination Protection Coordination Protection Coordination Protection Coordination Volts Per Hertz (24), Volts Per Hertz (24), Undervoltage Undervoltage (27), Overvoltage (59), (27), Overvoltage (59), and Under/ and Under/Overfrequency Overfrequency (81) Protection (81) Protection NERC Protection Coordination Webinar Series June 23, 2010 Phil Tatro
