GE T60 Instruction Manual page 11

7. COMMANDS AND
TARGETS
8. THEORY OF OPERATION
9. COMMISSIONING
10. MAINTENANCE
GE Multilin
TABLE OF CONTENTS
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
7.1.8 TARGETS MENU............................................................................................... 7-6
7.1.9 TARGET MESSAGES ....................................................................................... 7-6
7.1.10 RELAY SELF-TESTS......................................................................................... 7-6
8.1 DIRECTIONAL PRINCIPLE
8.1.1 CURRENT DIRECTIONAL PROTECTION ........................................................ 8-1
9.1 DIFFERENTIAL CHARACTERISTIC TEST
9.1.1 DESCRIPTION................................................................................................... 9-1
9.2 DIFFERENTIAL CHARACTERISTIC TEST EXAMPLES
9.2.1 INTRODUCTION................................................................................................ 9-3
9.2.2 TEST EXAMPLE 1 ............................................................................................. 9-4
9.2.3 TEST EXAMPLE 2 ............................................................................................. 9-9
9.2.4 TEST EXAMPLE 3 ........................................................................................... 9-10
9.2.5 TEST EXAMPLE 4 ........................................................................................... 9-11
9.3 INRUSH INHIBIT TEST
9.3.1 INRUSH INHIBIT TEST PROCEDURE ........................................................... 9-13
9.4 OVEREXCITATION INHIBIT TEST
9.4.1 OVEREXCITATION INHIBIT TEST PROCEDURE ......................................... 9-14
9.5 FREQUENCY ELEMENT TESTS
9.5.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS....... 9-15
9.6 COMMISSIONING TEST TABLES
9.6.1 DIFFERENTIAL RESTRAINT TESTS.............................................................. 9-17
9.6.2 INRUSH INHIBIT TESTS ................................................................................. 9-17
9.6.3 OVEREXCITATION INHIBIT TESTS ............................................................... 9-18
10.1 MODULES
10.1.1 REPLACE A MODULE..................................................................................... 10-1
10.2 BATTERIES
10.2.1 REPLACE BATTERY....................................................................................... 10-3
10.2.2 DISPOSE OF BATTERY.................................................................................. 10-5
10.3 UNINSTALL AND CLEAR FILES AND DATA
10.3.1 UNINSTALL AND CLEAR FILES AND DATA.................................................. 10-8
10.4 REPAIRS
10.4.1 REPAIRS ......................................................................................................... 10-9
10.5 STORAGE
10.5.1 STORAGE...................................................................................................... 10-10
10.6 DISPOSAL
10.6.1 DISPOSAL ..................................................................................................... 10-11
T60 Transformer Protection System xi