GE L90 Instruction Manual page 820

Synchrophasors
actual values .......................................................................... 6-25, 6-32
clearing PMU records ........................................................................ 7-2
commands ............................................................................................. 7-4
explained ...........................................................................................5-148
FlexLogic operands ........................................................ 5-176, 5-178
phasor measurement configuration ...... 5-153, 5-165, 5-166
phasor measurement unit calibration .................................5-156
phasor measurement unit recording ...................................5-164
test values .........................................................................................5-408
Syslog
......................................................................................................... 5-25
System and device information
System frequency .............................................................................5-122
System Integrity Recovery events
System logs
............................................................................................ 5-25
System requirements
....................................................................... 3-48
System setup
.......................................................................................5-121
T
Target messages
................................................................................... 7-7
TARGET setting
........................................................................................ 5-5
Targets menu
........................................................................................... 7-6
Targets overview by device
TBD .............................................................................................................. 11-7
TCP port number for web access
Technical support
.................................................................................. 1-2
files ................................................................................................. 1-2, 11-3
Temperature
FlexLogic monitor operand .......................................................5-183
monitor ................................................................................................. 7-11
operating and storage .................................................................. 2-50
Test voltages
......................................................................................... 3-11
Testing
channel ...............................................................................................5-410
Communications with loopback .............................................5-410
force contact inputs .....................................................................5-409
force contact outputs ..................................................................5-409
lamp test ................................................................................................. 7-3
LEDs ........................................................................................................... 7-3
loopback ............................................................................................5-410
self-test error messages .................................................................. 7-7
settings ...............................................................................................5-407
synchrophasors ..............................................................................5-408
TFTP
port, close ............................................................................................ 5-87
put cannot be done ........................................................................ 5-87
settings ................................................................................................. 5-87
THD
.............................................................................................................. A-17
THD metering
........................................................................................ 6-22
specifications ..................................................................................... 2-43
THD metering specifications
The URS file is part of a device folder
Thermal demand characteristic
xiv
................................................. 4-47
............................................. 5-25
.......................................................... 11-1
.............................................. 5-86
........................................................ 2-44
....................................11-10
...............................................5-106
Thermal overload protection
logic diagram .................................................................................. 5-352
settings ............................................................................................... 5-349
specifications ..................................................................................... 2-40
Three-terminal mode
...........................................................................2-7
Tilda on front panel
............................................................................ 4-15
Time
actual values .............................................................................6-9, 6-32
FlexLogic timer settings ............................................................. 5-190
incorrect from GPS ....................................................................... 5-130
operating .............................................................................................. 6-33
overwritten by external source ....................................................7-3
set ...............................................................................................................7-3
settings .................................................................................................. 5-94
Time overcurrent
see Phase, Neutral, and Ground TOCs
Timeout, connection
.......................................................................... 5-39
TOC
ground ................................................................................................ 5-260
neutral ................................................................................................ 5-248
phase .................................................................................................. 5-241
specifications ..................................................................................... 2-34
Toolbar
...................................................................................................... 4-51
Torque for screws ......................................................................2-52, 3-9
Total harmonic distortion
...............................................................A-17
Traceability
data ........................................................................................................ 4-13
overview ............................................................................................... 4-12
rules ........................................................................................................ 4-14
view data .............................................................................................. 4-14
Tracking frequency
............................................................................ 6-24
Transducer I/O
actual values ...................................................................................... 6-27
settings ............................................................................................... 5-401
specifications ..................................................................................... 2-45
wiring ..................................................................................................... 3-25
Transformer, in-zone settings
Triangle in Offline Window
Trip bus
FlexLogic operands ...................................................................... 5-180
logic diagram .................................................................................. 5-305
settings ............................................................................................... 5-303
Trip LEDs
................................................................................................ 5-109
Trip output
FlexLogic operands ...................................................................... 5-180
logic diagrams ................................................................................ 5-317
settings ............................................................................................... 5-313
specifications ..................................................................................... 2-39
Trouble indicator ....................................................................................7-7
Trouble LED
............................................................................................. 3-46
Troubleshooting
access to device ............................................................................... 3-59
breaker not working .................................................................... 5-326
Engineer .................................................................................... 4-40, 4-41
error messages ....................................................................................7-7
setting not working ...................................................................... 5-326
unit not programmed error ...................................................... 5-119
Two-terminal mode
..............................................................................2-7
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
INDEX
................................................... 5-132
............................................................. 4-39