GE 469

viii
469 Motor Management Relay
GE Power Management
INDEX
short circuit ..............................................................7-13
unbalance ................................................................7-11
volta
g
e input accuracy............................................... 7-2
volta
g
e phase reversal .............................................7-12
THERMAL CAPACITY ALARM ....................................4-28
THERMAL CAPACITY USED....... 4-28, 4-44, 4-54, 5-2, 5-5
THERMAL CAPACITY USED ALGORITHM ..................4-31
THERMAL CAPACITY USED MARGIN ........................4-54
THERMAL CAPACITY USED, LEARNED .....................5-17
THERMAL LIMIT CURVES ..........................................4-27
THERMAL LIMITS
description ...............................................................4-26
hi
g
h inertial load.......................................................4-36
THERMAL LIMITS FOR HIGH INERTIAL LOAD ...........4-36
THERMAL MODEL
coolin
g
.....................................................................4-43
curve selection.........................................................4-28
description ...............................................................4-28
setpoints ..................................................................4-28
specifications ............................................................ 1-6
THERMAL MODEL COOLING .....................................4-43
TIME ............................................................4-6, 5-8, 5-29
TIME BETWEEN STARTS......................... 4-16, 4-55, 5-22
TIME OF EVENT ........................................................5-23
TIME SYNCHRONIZATION .......................................... 4-6
TIME-CURRENT CURVES ..........................................4-27
TIMERS .....................................................................5-22
TIMING ....................................................................... 6-3
TORQUE
alarm .......................................................................5-12
event record.............................................................5-23
meterin
g
..................................................................4-71
overtorque ...............................................................4-71
setup .......................................................................4-71
specifications ............................................................ 1-8
TORQUE ALARM MESSAGE ......................................5-12
TORQUE SETUP ........................................................4-71
TRACE MEMORY ........................................................ 4-5
TRENDING........................................................8-11, 8-12
TRIP COIL SUPERVISION ............ 1-5, 4-72, 4-73, 5-8, 7-6
TRIP COUNTER
actual values...................................................5-20, 5-21
clearin
g
..................................................................... 4-9
setpoints ..................................................................4-72
TRIP RELAY
see R1 TRIP RELAY
TRIP TIME ON OVERLOAD ......................................... 5-2
TRIPS ......................................................................... 4-1
TROUBLESHOOTING.................................................8-17
TWO-PHASE CT CONFIGURATION .............................B-1
TWO-SPEED MOTOR
acceleration .............................................................4-91
assi
g
nable input 4 ....................................................4-17
description ...............................................................4-88
enablin
g
...................................................................4-11
setup .......................................................................4-88
undercurrent ............................................................4-90
wirin
g
dia
g
ram
..........................................................2-21
TYPE TESTS............................................................... 1-9
TYPICAL APPLICATIONS ............................................ 1-1
TYPICAL WIRING
description ................................................................ 2-9
wirin
g
dia
g
ram
........................................................... 2-8
U
UNBALANCE
actual values..............................................................5-9
event record.............................................................5-23
pre-trip value .............................................................5-3
setpoints..................................................................4-49
specifications .............................................................1-7
testin
g
.....................................................................7-11
three-phase example................................................7-11
trip counter ..............................................................5-20
UNBALANCE BIAS ............................................4-28, 4-42
UNDERCURRENT
setpoints..................................................................4-48
setpoints for 2-speed motor ......................................4-90
specifications .............................................................1-6
trip counter ..............................................................5-20
UNDERFREQUENCY
setpoints..................................................................4-65
specifications .............................................................1-7
UNDERPOWER ..........................................................4-69
UNDERPOWER TRIPS ...............................................5-21
UNDERVOLTAGE
setpoints..................................................................4-63
specifications .............................................................1-7
trip counter ..............................................................5-20
UNIT IDENTIFICATION LABEL .....................................2-2
UPGRADING FIRMWARE .............................................8-6
UPGRADING PC SOFTWARE .........................8-1, 8-2, 8-3
USER DEFINABLE MEMORY MAP..............................6-16
V
VARIABLE FREQUENCY DRIVES...............................4-13
VIBRATION ................................................................2-14
VIBRATION SWITCH ....................................................1-8
VIBRATION SWITCH ALARM......................................4-20
VIBRATION SWITCH TRIP .........................................4-20
VOLTAGE DEPENDENT OVERLOAD
acceleration curves ..................................................4-38
accleration curves ....................................................4-38
curves .....................................................................4-35
custom curves..........................................................4-37
description ............................................. 4-31, 4-35, 4-39
protection curves.................................... 4-39, 4-40, 4-41
safe stall curve.........................................................4-39
VOLTAGE INPUT ACCURACY TEST.............................7-2
VOLTAGE INPUTS
description ...............................................................2-13
specifications .............................................................1-5
wye VT connection
...................................................2-13
VOLTAGE METERING ................................................5-11
VOLTAGE PHASE REVERSAL
see PHASE REVERSAL
VOLTAGE PHASE REVERSAL TEST ..........................7-12
VOLTAGE SENSING
setpoints..................................................................4-12
VOLTAGE TRANSFORMER
see VTs
VOLTAGE TRANSFORMER RATIO .............................4-12
VT CONNECTION TYPE .............................................4-12
VT RATIO ..................................................................4-12