GE L90 Instruction Manual page 821

Ur series line current differential system
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Numerics
10BASE-F
interface ........................................................................ 3-32
settings .................................................................5-23, 5-24
2 TERMINAL MODE ......................................................... 2-12
3 TERMINAL MODE ......................................................... 2-12
87L
see index entry for CURRENT DIFFERENTIAL
87L DIFFERENTIAL
Modbus registers ........................................................... B-39
87L TRIP
FlexLogic operands ..................................................... 5-122
settings ............................................................. 5-231, 5-232
A
ABBREVIATIONS ............................................................. F-14
AC CURRENT INPUTS ................................... 2-23, 3-11, 5-73
AC VOLTAGE INPUTS .............................................2-23, 3-12
ACTIVATING THE RELAY ........................................1-17, 4-28
ACTIVE SETTING GROUP ............................................. 5-144
ACTUAL VALUES
description .................................................................... 2-14
main menu ...................................................................... 6-1
maintenance ................................................................. 6-26
metering ........................................................................ 6-11
product information ........................................................ 6-27
records ......................................................................... 6-24
status .............................................................................. 6-3
ALARM LEDs ................................................................... 5-60
ALARMS .......................................................................... 2-15
ANSI DEVICE NUMBERS ................................................. 5-98
ANSI DEVICES .................................................................. 2-1
APPARENT POWER ................................................2-22, 6-17
APPLICATION EXAMPLES
breaker trip circuit integrity .......................................... 5-258
contact inputs .............................................................. 5-322
HV line configuration ................................................... 10-13
LV fault ....................................................................... 10-13
pilot schemes .............................................................. 10-17
sensitive directional power ........................................... 5-227
APPROVALS ................................................................... 2-29
ARCHITECTURE ........................................................... 5-120
ARCING CURRENT ....................................................... 5-262
AUTORECLOSE
actual values ................................................................... 6-5
description .................................................................. 5-310
FlexLogic operands ..................................................... 5-123
logic ....................................................... 5-316, 5-318, 5-319
Modbus registers .................................................. B-17, B-44
sequence .................................................................... 5-320
settings ............................. 5-308, 5-311, 5-312, 5-314, 5-315
specifications ................................................................ 2-20
AUXILIARY OVERVOLTAGE
FlexLogic operands ..................................................... 5-123
logic ............................................................................ 5-225
Modbus registers ........................................................... B-52
settings ....................................................................... 5-224
specifications ................................................................ 2-19
AUXILIARY UNDERVOLTAGE
FlexLogic operands ..................................................... 5-123
logic ............................................................................ 5-224
Modbus registers ........................................................... B-52
settings ....................................................................... 5-223
GE Multilin
INDEX
specifications ................................................................. 2-18
AUXILIARY VOLTAGE CHANNEL ..................................... 3-12
AUXILIARY VOLTAGE METERING ................................... 6-17
B
BANKS ............................................................ 5-6, 5-73, 5-74
BATTERY FAILURE ........................................................... 7-8
BINARY INPUT POINTS .................................................... E-8
BINARY OUTPUT POINTS ................................................. E-9
BLOCK DIAGRAM ..................................................... 1-3, 2-15
BLOCK SETTING ............................................................... 5-5
BLOCKING SCHEME
application of settings .................................................. 10-19
logic ............................................................................ 5-302
settings ............................................................ 5-299, 5-300
BREAKER ARCING CURRENT
actual values ................................................................. 6-26
clearing .................................................................. 5-19, 7-2
FlexLogic operands ...................................................... 5-123
logic ............................................................................ 5-263
measurement ............................................................... 5-263
Modbus registers .......................................................... B-16
settings ....................................................................... 5-262
specifications ................................................................. 2-19
BREAKER CONTROL
control of 2 breakers ...................................................... 4-25
description ..................................................................... 4-24
dual breaker logic ................................................. 5-85, 5-86
FlexLogic operands ...................................................... 5-124
Modbus registers .......................................................... B-33
settings ......................................................................... 5-83
BREAKER FAILURE
description ................................................................... 5-211
determination ............................................................... 5-212
FlexLogic operands ...................................................... 5-123
logic ................................................................. 5-215, 5-216
main path sequence ..................................................... 5-212
Modbus registers .......................................................... B-52
settings ............................................................ 5-210, 5-213
specifications ................................................................. 2-19
BREAKER FLASHOVER
FlexLogic operands ...................................................... 5-123
logic ............................................................................ 5-267
Modbus registers .......................................................... B-15
settings ....................................................................... 5-264
specifications ................................................................. 2-19
BREAKER RESTRIKE
FlexLogic operands ...................................................... 5-123
logic ............................................................................ 5-270
Modbus registers .......................................................... B-56
settings ....................................................................... 5-268
BREAKER-AND-A-HALF SCHEME ...................................... 5-5
BRIGHTNESS .................................................................. 5-18
BROKEN CONDUCTOR
FlexLogic operands ...................................................... 5-124
settings ....................................................................... 5-279
BROKEN CONDUCTOR DETECTION
Modbus registers .......................................................... B-48
C
C37.94 COMMUNICATIONS ........................... 3-33, 3-35, 3-38
C37.94SM COMMUNICATIONS ........................................ 3-37
CAPACITOR CONTROL
L90 Line Current Differential System
i

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