GE Multilin GEK-113328A Instruction Manual page 5

7. FREQUENTLY ASKED
QUESTIONS
8. G650TROUBLESHOOTING
GUIDE
A. FACTORY DEFAULT LOGIC
B. FACTORY DEFAULT
CONFIGURATION
C. MISCELLANEOUS
GEK-113328
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)
6.12.1 67N ELEMENT................................................................................................. 6-14
6.12.2 67G ELEMENT ................................................................................................ 6-15
6.13 UNDERVOLTAGE ELEMENTS (27P, 27X)
6.13.1 27P ELEMENT................................................................................................. 6-16
6.13.2 27X ELEMENT................................................................................................. 6-16
6.14 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)
6.14.1 59P ELEMENT................................................................................................. 6-17
6.14.2 59X ELEMENT................................................................................................. 6-17
6.14.3 59NH ELEMENT .............................................................................................. 6-18
6.14.4 47 ELEMENT - NEG SEQ OV ......................................................................... 6-19
6.15 FREQUENCY ELEMENTS (81O/81U)
7.1 COMMUNICATIONS
7.2 PROTECTION
7.3 CONTROL AND HMI
7.4 RELAY CONFIGURATION
8.1 SYMPTOMS AND RECOMMENDED ACTIONS
A.1 FACTORY DEFAULT LOGIC
B.1 FACTORY DEFAULT SETTINGS
B.2 FACTORY DEFAULT CONFIGURATION
C.1 GE MULTILIN WARRANTY
G650 Generator Protection & Control System 3