GE Multilin 745 Instruction Manual page 241

NEUTRAL OVERCURRENT ................................................ 5-56
NEUTRAL TIME OVERCURRENT
setpoints ...................................................................... 5-57
testing .......................................................................... 7-21
NUMERICAL SETPOINTS .................................................... 1-5
O
ONLOAD TAP CHANGER
................................................... 5-33
OPERATING TIME ............................................................ 7-13
ORDER CODES
.................................................................. 2-3
OUTPUT RELAYS
commissioning
......................................................... 7-5, 7-6
default FlexLogic™ ....................................................... 5-89
description
................................................................... 3-12
setpoints ..............................................................5-88, 5-92
typical wiring
................................................................ 3-12
OUTPUTS
specifications
.................................................................. 2-6
OVERCURRENT
ground instantaneous
................................................... 5-60
ground time .................................................................. 5-59
negative sequence instantaneous
negative sequence time ............................................... 5-65
neutral instantaneous
.................................................. 5-58
neutral time ................................................................. 5-57
phase
........................................................................... 5-49
OVERCURRENT CURVES
definite time
................................................................. 5-50
FlexCurves™ ................................................................. 5-50
IEEE
............................................................................. 5-51
OVEREXCITATION
5th harmonic level
....................................................... 5-71
description ................................................................... 5-71
setpoints
...................................................................... 5-71
volts-per-hertz ............................................................. 5-72
OVERFREQUENCY
testing .......................................................................... 7-33
OVERVIEW
........................................................................ 2-1
P
PANEL CUTOUT .......................................................... 3-1, 3-2
PASSCODE
...................................................................... 5-24
changing .................................................................. 1-7, 1-8
security
................................................................... 1-7, 1-8
setpoints ...................................................................... 5-24
PERCENT DIFFERENTIAL
dual-slope characteristic .............................................. 5-43
harmonic restrained
..................................................... 7-11
operating principle ....................................................... 5-42
setpoints
...................................................................... 5-42
zones of protection ....................................................... 5-62
PHASE A INDICATOR
......................................................... 4-3
PHASE ANGLE CORRECTION
PHASE B INDICATOR
......................................................... 4-3
PHASE C INDICATOR ........................................................ 4-3
PHASE INSTANTANEOUS OVERCURRENT
setpoints ...................................................................... 5-55
testing
.......................................................................... 7-20
PHASE OVERCURRENT .................................................... 5-49
PHASE SEQUENCE
............................................................. 3-9
PHASE SHIFTS
description
................................................................... 5-23
table ............................................................................. 5-23
three-phase transformers
PHASE TIME OVERCURRENT
setpoints
...................................................................... 5-54
testing .......................................................................... 7-18
PHASORS
ABC sequence ................................................................. 5-8
ACB sequence
................................................................. 5-8
PHONE NUMBERS .............................................................. 1-1
PICKUP INDICATOR
........................................................... 4-3
PLACING THE RELAY INTO SERVICE
PREFAULT VALUES
.......................................................... 5-94
GE Multilin
................................. 5-66
............................................. 5-9
.............................................. 5-7
............................... 7-40
http://www.GEindustrial.com/multilin
PREFERENCES ................................................................. 5-24
PROTECTION ELEMENTS
specifications .................................................................. 2-5
PROTECTION SCHEMES
5th harmonic ....................................................... 5-71, 7-37
energization detection .................................................. 7-16
features .......................................................................... 2-2
frequency decay ........................................................... 5-68
frequency decay rate .................................................... 7-35
ground instantaneous o/c ............................................. 5-60
ground instantaneous overcurrent
ground time o/c
............................................................ 5-59
ground time overcurrent ............................................... 7-23
harmonic restrained percent differential
instantaneous differential .................................... 5-48, 7-17
insulation aging ............................................................ 7-37
negative sequence instantaneous o/c
negative sequence instantaneous overcurrent
negative sequence time o/c
negative sequence time overcurrent
neutral instantaneous o/c ............................................. 5-58
neutral instantaneous overcurrent
neutral time o/c ............................................................ 5-57
neutral time overcurrent
............................................... 7-21
overfrequency ............................................................... 7-33
phase instantaneous o/c
............................................... 5-55
phase instantaneous overcurrent
phase time o/c .............................................................. 5-54
phase time overcurrent ................................................ 7-18
restricted ground
.......................................................... 5-61
restricted ground fault ......................................... 7-26, 7-27
THD level
............................................................. 5-76, 7-38
underfrequency ........................................... 5-67, 7-31, 7-33
volts-per-hertz ..................................................... 5-72, 7-36
R
REAR TERMINAL ASSIGNMENTS
REAR TERMINAL LAYOUT
...................................................3-5
REMOTE RESET MODE ..................................................... 7-13
RESETTING
...................................................................... 5-27
RESISTANCE GROUNDED WYE WINDING
RESTRICTED GROUND
implementation ............................................................. 5-63
setpoints
....................................................................... 5-61
settings example .......................................................... 5-63
testing
................................................................. 7-26, 7-27
zones of protection ....................................................... 5-62
RS232 COMMUNICATIONS
............................................... 3-14
configuring with enerVista PQMII setup
connections
..................................................................... 4-7
RS422 COMMUNICATIONS ...................................... 3-13, 3-14
RS485 COMMUNICATIONS
............................................... 3-13
configuring with enerVista PQMII setup
connections
..................................................................... 4-8
RTD
calibration
.............................................................. 7-9, 7-10
driver/sensor ................................................................ 3-11
measured temperature
................................................. 7-10
resistance vs. temperature
S
S1 745 SETUP
................................................................. 5-24
S2 SYSTEM SETUP ........................................................... 5-30
S3 LOGIC INPUTS
............................................................ 5-38
S4 ELEMENTS .................................................................. 5-39
S5 OUTPUTS
.................................................................... 5-86
S6 TESTING ..................................................................... 5-91
SALES OFFICE
................................................................... 1-1
SCRATCHPAD ................................................................... 5-28
SELF-TEST ERROR INDICATOR
SELF-TEST ERRORS ......................................................... 6-19
SERVICING
...................................................................... 7-40
SETPOINT ENTRY ........................................................ 4-5, 5-4
SETPOINT GROUP
............................................................ 5-41
745
Motor Management Relay
....................... 7-25, 7-26
....................... 7-11
........................... 5-66
.............. 7-30
.......................................... 5-65
............................. 7-28
....................... 7-22, 7-23
.................................. 7-20
........................................ 3-6
......................... 5-62
............... 4-11, 4-13
............... 4-11, 4-13
........................................... 5-35
.......................................... 4-2
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