GE 750, Instruction Manual

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750/760 Feeder Management Relay GE Power Management
TABLE OF CONTENTS
10.6 BLOCK FUNCTIONS
10.6.1 DESCRIPTION ........................................................................................ 10-7
10.6.2 SETTINGS ............................................................................................... 10-7
10.7 BLOCK OVERCURRENT FUNCTIONS
10.7.1 DESCRIPTION ........................................................................................ 10-9
10.7.2 SETTINGS ............................................................................................... 10-9
10.8 TRANSFER FUNCTIONS
10.8.1 DESCRIPTION ...................................................................................... 10-11
10.8.2 SETTINGS ............................................................................................. 10-11
10.9 AUTORECLOSE FUNCTIONS (760 ONLY)
10.9.1 DESCRIPTION ...................................................................................... 10-12
10.9.2 SETTINGS ............................................................................................. 10-12
10.10 MISCELLANEOUS FUNCTIONS
10.10.1 DESCRIPTION ...................................................................................... 10-13
10.10.2 SETTINGS ............................................................................................. 10-13
11. S4 OUTPUT RELAYS
11.1 OVERVIEW
11.1.1 DESCRIPTION ........................................................................................ 11-1
11.1.2 1 TRIP AND 2 CLOSE RELAY OPERATION .......................................... 11-1
11.1.3 3-7 AUXILIARY RELAY OPERATION ..................................................... 11-1
11.2 1 TRIP AND 2 CLOSE RELAYS
11.2.1 DESCRIPTION ........................................................................................ 11-2
11.2.2 SETTINGS ............................................................................................... 11-2
11.3 OUTPUT RELAYS 3-7 AUXILIARY
11.3.1 DESCRIPTION ........................................................................................ 11-5
11.3.2 SETTINGS ............................................................................................... 11-5
12. S5 PROTECTION
12.1 TIME OVERCURRENT CURVE CHARACTERISTICS
12.1.1 DESCRIPTION ........................................................................................ 12-1
12.1.2 DEFINITE TIME CURVE ......................................................................... 12-2
12.1.3 ANSI CURVES......................................................................................... 12-3
12.1.4 IAC CURVES ........................................................................................... 12-4
12.1.5 IEC CURVES ........................................................................................... 12-5
12.2 DIRECTIONAL OVERCURRENT CHARACTERISTICS
12.2.1 DESCRIPTION ........................................................................................ 12-6
12.2.2 PHASE OVERCURRENT ........................................................................ 12-7
12.2.3 PHASE TIME OVERCURRENT .............................................................. 12-7
12.2.4 PHASE INSTANTANEOUS OVERCURRENT ...................................... 12-11
12.2.5 PHASE DIRECTIONAL.......................................................................... 12-13
12.2.6 PHASE DIRECTIONAL SETPOINTS .................................................... 12-14
12.3 NEUTRAL OVERCURRENT
12.3.1 DESCRIPTION ...................................................................................... 12-16
12.3.2 NEUTRAL TIME OVERCURRENT ........................................................ 12-16
12.3.3 NEUTRAL INSTANTANEOUS OVERCURRENT .................................. 12-18
12.3.4 NEUTRAL DIRECTIONAL ..................................................................... 12-20
12.4 GROUND OVERCURRENT
12.4.1 DESCRIPTION ...................................................................................... 12-23
12.4.2 GROUND TIME OVERCURRENT......................................................... 12-23
12.4.3 GROUND INSTANTANEOUS OVERCURRENT................................... 12-25