GE Multilin G60 Generator Protection System vii
TABLE OF CONTENTS
6.4 RECORDS
6.4.1 USER-PROGRAMMABLE FAULT REPORTS ................................................ 6-28
6.4.2 EVENT RECORDS .......................................................................................... 6-28
6.4.3 OSCILLOGRAPHY .......................................................................................... 6-28
6.4.4 DATA LOGGER ............................................................................................... 6-29
6.4.5 PHASOR MEASUREMENT UNIT RECORDS................................................. 6-29
6.5 PRODUCT INFORMATION
6.5.1 MODEL INFORMATION .................................................................................. 6-30
6.5.2 FIRMWARE REVISIONS................................................................................. 6-30
7. COMMANDS AND
TARGETS
7.1 COMMANDS
7.1.1 COMMANDS MENU .......................................................................................... 7-1
7.1.2 VIRTUAL INPUTS.............................................................................................. 7-1
7.1.3 CLEAR RECORDS ............................................................................................ 7-2
7.1.4 SET DATE AND TIME ....................................................................................... 7-2
7.1.5 RELAY MAINTENANCE .................................................................................... 7-3
7.1.6 PHASOR MEASUREMENT UNIT ONE-SHOT.................................................. 7-4
7.1.7 SECURITY ......................................................................................................... 7-5
7.2 TARGETS
7.2.1 TARGETS MENU............................................................................................... 7-6
7.2.2 TARGET MESSAGES ....................................................................................... 7-6
7.2.3 RELAY SELF-TESTS......................................................................................... 7-6
8. THEORY OF OPERATION 8.1 PHASE DISTANCE THROUGH POWER TRANSFORMERS
8.1.1 DESCRIPTION................................................................................................... 8-1
8.1.2 EXAMPLE .......................................................................................................... 8-4
9. APPLICATION OF
SETTINGS
9.1 SETTING EXAMPLE
9.1.1 DESCRIPTION................................................................................................... 9-1
9.1.2 SYSTEM SETUP ............................................................................................... 9-1
9.1.3 POWER SYSTEM.............................................................................................. 9-2
9.1.4 SIGNAL SOURCES ........................................................................................... 9-2
9.1.5 STATOR DIFFERENTIAL.................................................................................. 9-3
9.1.6 GENERATOR UNBALANCE ............................................................................. 9-3
9.1.7 LOSS OF EXCITATION..................................................................................... 9-4
9.1.8 REVERSE POWER ........................................................................................... 9-4
9.1.9 SYSTEM BACKUP OVERCURRENT................................................................ 9-5
9.1.10 BACKUP DISTANCE ......................................................................................... 9-6
9.1.11 STATOR GROUND FAULT ............................................................................... 9-7
9.1.12 OVEREXCITATION ......................................................................................... 9-10
9.1.13 INPUTS/OUTPUTS.......................................................................................... 9-11
9.1.14 FREQUENCY................................................................................................... 9-12
9.1.15 ACCIDENTAL ENERGIZATION ...................................................................... 9-12
9.1.16 FLEXLOGIC..................................................................................................... 9-13
9.2 PHASE DISTANCE THROUGH POWER TRANSFORMERS
9.2.1 OVERVIEW...................................................................................................... 9-14
9.2.2 EXAMPLE ........................................................................................................ 9-15
10. COMMISSIONING 10.1 TESTING
10.1.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS....... 10-1