Siemens siprotec 7SA6 User Manual page 790

Index
Status ............................................ 7-30
Synchronization ............................. 5-56
Time Delayed Overcurrent Protection .... 1-9
Time Settings ........................... 6-98, 6-132
Time Synchronization .................. 1-4, 10-7
Time Synchronization Interface ........... 8-37
Transfer Trip to the
Remote End Circuit Breaker ........ 6-237
Transferring Metering Values ............... 5-33
Transient Blocking .......................................
........................6-95, 6-99, 6-128, 6-132
Triggering Oscillographic Recordings .. 8-65
Triggering with DIGSI® 4 ..................... 8-66
Trip and Close Test with the Circuit Breaker
....................................................... 8-64
Trip Circuit Supervision ................................
...............................6-260, 6-265, 10-37
Trip Dependent Messages ................. 6-280
Trip Log (Fault Messages) ..................... 7-6
Trip/Close Command Duration ............ 6-11
Tripping Logic ...................................... 6-69
Tripping Logic of the Distance Protection
Applying the
Function Parameter Settings
.......................................... 6-70
Method of Operation ...................... 6-66
Tripping/Echo
at Line Ends with No or Weak Infeed
............................................ 1-9
Troubleshooting ..................................... 9-9
Two-stage breaker failure protection . 6-240
U
U/I(/j) Pickup ........................................ 6-38
UL listing ............................................ 10-11
Unblocking with Z1B ............................ 6-86
Underreach Schemes ........................ 10-15
Undervoltage Detection ..................... 10-23
Undervoltage Phase–Earth ................ 6-211
Undervoltage Phase–Phase .............. 6-212
Undervoltage
Positive Sequence System U1 .... 6-212
Undervoltage Protection .................... 6-211
Unfaulted Loops ................................... 6-43
Units of Length ..................................... 6-11
Unpacking and Re-packing .................... 3-2
Updating the Display ............................ 8-45
User Defined Logic Functions .............. 1-11
User Defined Measured Values (MVU) and
Limit Values (LVU) ......................... 5-22
User Guide ............................................. 4-8
User Interface ........................................ 3-5
Index-viii
V
Version of 7SA6
for Panel Flush Mounting
(Cubicle Mounting) .............. 2-2
for Panel Surface Mounting ........... 2-21
Version of 7SA6 with
Detached Operator Panel .............. 2-34
Vibration and Shock
During Operation ............................ 10-9
During Transport ............................ 10-9
View
of Front Panel (Housing Size 1/2) .... 2-7
of Front Panel with
Four-Line Display (Housing Size 1/2) ....
........................... 2-5, 2-6, 2-24
of Front Panel with Four-Line Display
(Housing Size 1/3) .... 2-3, 2-22
of Front Panel with Four-Line Display
(Housing Size1/1) ............. 2-25
of Front Panel with Graphic Display
(Housing Size 1/1) ............ 2-28
of Front Panel with Graphic Display
(Housing Size 1/2) ............ 2-26
of Rear Panel (Housing Size 1/1) .. 2-10
of Rear Panel (Housing Size 1/2) .. 2-10
of Rear Panel (Housing Size 1/3) .... 2-9
Viewing
Measured Values ................... 3-6, 3-10
Operational Messages ........... 3-6, 3-11
the Switching Statistics .................. 7-13
Viewing Fault Records ......................... 7-26
Voltage and Phase-Angle Dependent Current
Pickup U/I/j ..................................... 6-35
Voltage Inputs ...................................... 10-2
Voltage Phase Rotation ...................... 6-257
Voltage Symmetry .............................. 6-257
Voltage Transformer Connection ........... 6-7
Voltage Transformer MCB .................... 8-48
Voltage-Dependent Current Fault Detection
U/I .................................................. 6-32
Voltages ................................................. 8-9
W
Watchdog ........................................... 6-256
Weak-Infeed Tripping ......................... 10-23
Applying the
Function Parameter Settings
......................................... 6-137
Method of Operation .................... 6-135
7SA6 Manual
C53000-G1176-C133-1