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GEK-113328
G650 Generator Protection & Control System
3
TABLE OF CONTENTS
6.9 CONNECTIONS FOR TESTING PROTECTION ELEMENTS
6.10 INSTANTANEOUS OVERCURRENT (50PH, 50N, 50G Y 50SG)
6.11 TIME OVERCURRENT (51PH, 51PL, 51N, 51G)
6.12 DIRECTIONAL ELEMENTS (67N, 67G)
6.13 UNDERVOLTAGE ELEMENTS (27P, 27X)
6.14 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)
6.15 FREQUENCY ELEMENTS (81O/81U)
8.1 SYMPTOMS AND RECOMMENDED ACTIONS