GE G60 Instruction Manual page 6
Generator protection system
Hide thumbs
Also See for G60:
- Instruction manual (780 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (768 pages)
Table of Contents
Advertisement
vi
5.6.2
FlexLogic rules.................................................................................................................. 5-182
5.6.3
FlexLogic evaluation...................................................................................................... 5-182
5.6.4
FlexLogic example.......................................................................................................... 5-183
5.6.5
FlexLogic equation editor............................................................................................ 5-188
5.6.6
FlexLogic timers............................................................................................................... 5-188
5.6.7
FlexElements ..................................................................................................................... 5-188
5.6.8
Non-volatile latches....................................................................................................... 5-193
5.7
Grouped elements .......................................................................................5-194
5.7.1
Overview ............................................................................................................................. 5-194
5.7.2
Setting group 1................................................................................................................. 5-194
5.7.3
Distance............................................................................................................................... 5-195
5.7.4
Power swing detect (ANSI 68).................................................................................... 5-203
5.7.5
Stator differential (ANSI 87S)...................................................................................... 5-212
5.7.6
Phase current ................................................................................................................... 5-215
5.7.7
Neutral current................................................................................................................. 5-227
5.7.8
Ground current ................................................................................................................ 5-235
5.7.9
Negative sequence current........................................................................................ 5-242
5.7.10
Generator unbalance (ANSI 46)................................................................................ 5-246
5.7.11
Split phase protection (ANSI 50P) ............................................................................ 5-248
5.7.12
Breaker failure (ANSI 50BF)......................................................................................... 5-252
5.7.13
Voltage elements ............................................................................................................ 5-262
5.7.14
Loss of excitation (ANSI 40) ........................................................................................ 5-273
5.7.15
Accidental energization (ANSI 50/27) .................................................................... 5-275
5.7.16
Sensitive directional power (ANSI 32) .................................................................... 5-276
5.7.17
Stator ground.................................................................................................................... 5-280
5.7.18
Field ground fault protection..................................................................................... 5-290
5.8
Control elements .........................................................................................5-295
5.8.1
Overview ............................................................................................................................. 5-295
5.8.2
Trip bus ................................................................................................................................ 5-295
5.8.3
Setting groups .................................................................................................................. 5-297
5.8.4
Selector switch................................................................................................................. 5-298
5.8.5
Underfrequency (81U)................................................................................................... 5-305
5.8.6
Overfrequency (ANSI 81O) .......................................................................................... 5-306
5.8.7
Frequency rate of change (ANSI 81R).................................................................... 5-307
5.8.8
Frequency out-of-band accumulation ................................................................. 5-309
5.8.9
Synchrocheck (ANSI 25) ............................................................................................... 5-310
5.8.10
Digital elements............................................................................................................... 5-316
5.8.11
Digital counters................................................................................................................ 5-319
5.8.12
Monitoring elements ..................................................................................................... 5-321
5.9
Inputs/outputs .............................................................................................5-338
5.9.1
Contact inputs .................................................................................................................. 5-338
5.9.2
Virtual inputs ..................................................................................................................... 5-340
5.9.3
Contact outputs............................................................................................................... 5-341
5.9.4
Virtual outputs.................................................................................................................. 5-345
5.9.5
Resetting ............................................................................................................................. 5-345
5.9.6
Direct inputs and outputs ........................................................................................... 5-345
5.9.7
Teleprotection inputs and outputs ......................................................................... 5-349
5.10 Transducer inputs/outputs........................................................................5-351
5.10.1
DCmA inputs...................................................................................................................... 5-351
5.10.2
RTD inputs .......................................................................................................................... 5-352
5.10.3
RRTD inputs........................................................................................................................ 5-355
5.10.4
DCmA outputs .................................................................................................................. 5-358
5.11 Testing ...........................................................................................................5-362
5.11.1
Test mode function ........................................................................................................ 5-362
5.11.2
Test mode forcing........................................................................................................... 5-363
5.11.3
Phasor Measurement Unit test values.................................................................. 5-363
G60 GENERATOR PROTECTION SYSTEM - INSTRUCTION MANUAL
TABLE OF CONTENTS
Advertisement
Table of Contents
