GE Feeder Management Relay 750 Instruction Manual page 344

SCR OUTPUT
....................................................................... 3-13
SELF-TEST WARNINGS
................................................. 4-4
SENSITIVE GROUND CURRENT
measurement ....................................................................... 8-10
sample application ............................................................... 5-56
setpoints .............................................................................. 5-51
SENSITIVE GROUND DIRECTIONAL OVERCURRENT
characteristics ..................................................................... 5-54
logic diagram ....................................................................... 5-55
protection scheme ................................................................ 8-24
setpoints .............................................................................. 5-54
SENSITIVE GROUND INPUTS
SENSITIVE GROUND INSTANTANEOUS OVERCURRENT
logic diagram ....................................................................... 5-53
protection scheme ................................................................ 8-24
setpoints .............................................................................. 5-53
SENSITIVE GROUND TIME OVERCURRENT
logic diagram ....................................................................... 5-52
protection scheme ................................................................ 8-23
setpoints .............................................................................. 5-52
SETPOINT ACCESS JUMPER
installing ................................................................................ 1-3
programming setpoints ........................................................... 5-4
SETPOINT ACCESS SECURITY
SETPOINT CONTROL DIAGRAM
SETPOINT ENTRY METHODS
SETPOINT GROUP CONTROL
SETPOINT GROUPS
for protection schemes ......................................................... 8-16
setpoints .............................................................................. 5-96
SETPOINTS
1 trip and 2 close relay ......................................................... 5-28
3-7 auxiliary relays ............................................................... 5-30
access jumper ........................................................................ 5-4
access security ...................................................................... 5-4
analog input rate of change .................................................. 5-85
analog input setup ................................................................ 5-83
analog output ....................................................................... 5-86
analog outputs ....................................................................5-130
analog threshold .................................................................. 5-84
apparent power demand ....................................................... 5-82
arcing current ...................................................................... 5-90
autoreclose .......................................................................... 5-26
autoreclose current supervision ...........................................5-122
autoreclose rate supervision ................................................5-122
autoreclose zone coordination .............................................5-124
block functions ..................................................................... 5-23
block overcurrent functions ................................................... 5-24
breaker failure ..................................................................... 5-71
breaker functions ................................................................. 5-21
breaker operation ................................................................. 5-92
bus undervoltage ................................................................. 5-64
bus VT sensing ............................................................5-16
changing ................................................................................ 1-3
clear data ............................................................................ 5-15
clock ................................................................................... 5-10
coil monitor .......................................................................... 5-93
cold load pickup ..................................................................5-103
common ................................................................................. 5-4
control functions .................................................................. 5-22
current demand .................................................................... 5-79
current sensing .................................................................... 5-16
data logger .......................................................................... 5-12
default messages ................................................................. 5-14
DNP communications ............................................................. 5-9
entering with software .......................................................... 4-13
entry methods ........................................................................ 5-4
event recorder ..................................................................... 5-10
factory service ....................................................................5-134
fault values .........................................................................5-133
flexcurves ............................................................................ 5-18
frequency decay ................................................................... 5-70
front panel ........................................................................... 5-13
ground directional ................................................................ 5-50
ground instantaneous overcurrent ......................................... 5-49
ground time overcurrent ....................................................... 5-48
installation ........................................................................... 5-15
installing the setpoint access jumper ....................................... 1-3
vi
Courtesy of NationalSwitchgear.com
,
4-5
............................................... 3-9
............................................ 5-4
,
................................5-97 5-98
............................................... 5-4
............................................ 8-39
,
5-17
750/760 Feeder Management Relay
INDEX
line undervoltage ................................................................. 5-65
loading from a file ................................................................ 4-12
manual close blocking ........................................................ 5-101
message summary ................................................................. 5-1
miscellaneous functions ....................................................... 5-26
modbus ................................................................................. 7-5
negative sequence directional ............................................... 5-60
negative sequence instantaneous overcurrent ....................... 5-59
negative sequence time overcurrent ...................................... 5-58
negative sequence voltage ................................................... 5-62
neutral current ..................................................................... 5-74
neutral directional ................................................................ 5-45
neutral displacement ............................................................ 5-67
neutral instantaneous overcurrent ......................................... 5-44
neutral overcurrent ............................................................... 5-42
neutral time overcurrent ....................................................... 5-43
numerical ............................................................................... 1-3
output relays ...................................................................... 5-129
overfrequency ...................................................................... 5-88
overvoltage .......................................................................... 5-66
passcode ............................................................................... 5-7
phase current ....................................................................... 5-73
phase directional .................................................................. 5-39
phase instantaneous overcurrent .......................................... 5-38
phase time overcurrent ......................................................... 5-36
pickup test ......................................................................... 5-130
port setup .............................................................................. 5-7
postfault values .................................................................. 5-134
power factor ......................................................................... 5-75
power system ....................................................................... 5-17
prefault values ................................................................... 5-133
printing ................................................................................ 4-14
pulse output ......................................................................... 5-95
reactive power demand ........................................................ 5-81
reading logic diagrams ........................................................... 5-6
real power demand ............................................................... 5-80
reclosure shots .................................................................. 5-126
restricted earth fault ............................................................. 5-55
saving to a file ..................................................................... 4-11
scheme setup .................................................................... 5-119
sensitive ground current ....................................................... 5-51
sensitive ground directional .................................................. 5-54
sensitive ground instantaneous overcurrent ........................... 5-53
sensitive ground time overcurrent ......................................... 5-52
setpoint groups .................................................................... 5-96
simulation .......................................................................... 5-131
structure ................................................................................ 5-4
synchrocheck ....................................................................... 5-99
text ........................................................................................ 1-4
trace memory ....................................................................... 5-11
transfer functions ................................................................. 5-25
transfer scheme ................................................................. 5-107
trip counter .......................................................................... 5-89
underfrequency .................................................................... 5-68
underfrequency restoration ................................................. 5-106
undervoltage restoration ..................................................... 5-105
user input functions .............................................................. 5-22
user text messages .............................................................. 5-14
VT failure ............................................................................. 5-94
SETPOINTS MESSAGES
SIGNAL PROCESSING OF AC CURRENT INPUTS
SIMULATION
setpoints ............................................................................ 5-131
setup ................................................................................. 5-132
SOFTWARE
entering setpoints ................................................................ 4-13
installing ......................................................................... 4-8
loading setpoints .................................................................. 4-12
overview ................................................................................ 4-7
printing setpoints/actual values ............................................. 4-14
requirements .......................................................................... 4-7
saving setpoints ................................................................... 4-11
upgrading ....................................................................... 4-8
Windows 3.1 considerations ................................................... 4-7
SOLID STATE TRIP OUTPUT
see SCR OUTPUT
SPECIFICATIONS
clock .................................................................................... 2-11
communications ................................................................... 2-11
control ................................................................................. 2-10
....................................................... 5-1
.............. 2-3
GE Multilin
,
4-9
,
4-9