Siemens siprotec 7SA6 - Page 785

Index
Index-iii7SA6 Manual
C53000-G1176-C133-1
Detection of Line Energization ........... 6-269
Determination of
the Fault Location ........................ 6-222
Determination of Functional Scope ........ 5-2
DIGSI REMOTE 4 ................................ A-10
DIGSI® 4 User Interface ........................ 3-8
Dimensions ........................................ 10-40
Direct Underreach Transfer Trip .......... 6-80
Direct Voltage ...................................... 10-2
Direction Determination 6-55, 6-113, 10-18
with Negative Sequence System . 6-109
with the Zero Sequence System . 6-107
Directional Blocking Scheme ............. 6-126
Directional Checks with Load Current . 8-49
Directional Comparison Pickup ............ 6-84
Directional Comparison Pickup,
Unblocking ..................................... 8-62
Directional Comparison Scheme ....... 6-122
Directional Unblocking Scheme ......... 6-124
Disassembling the Device ................... 9-12
Disassembly of the Device .................. 8-14
Displacement Voltage Stage ............. 6-215
Display ................................................... 4-7
Display Editor ....................................... A-10
Display of Measured Values .............. 6-285
Distance Measurement ...................... 10-13
Distance Protection .................... 1-8, 10-12
Distance Protection Prerequisites ........ 6-98
Distance Protection Teleprotection Schemes
...................................................... 10-15
Distance Protection with
Polygonal Tripping Characteristic
Applying the Function Parameter Settings
........................................... 6-59
Method of Operation ...................... 6-54
Division of Messages ............................. 7-4
DNP3.0 Level 2 .................................... 4-32
Double Earth Faults
in Effectively Earthed Systems ...... 6-49
Double Faults in Earthed Systems ...... 6-44
Double Point Indication (DP) ............... 5-19
Drop-off to Pick-up Ratios .................. 10-27
E
Earth Current 3 I0 ................................ 6-28
Earth Fault
Protection in Earthed Systems .... 6-102
Protection Prerequisites .............. 6-131
Earth Fault Detection ............. 6-161, 10-12
Earth Fault Protection ............................ 1-9
Earth Fault Protection in Earthed Systems
..................................................... 10-16
Earth Fault Protection
Teleprotection Schemes .............. 6-121
Method of Operation .................... 6-122
Earth Fault Recognition ........................ 6-28
Earth Fault Recognition
during Single-Pole Open Condition 6-30
Earth Impedance (Residual) Compensation
........................................................ 6-17
with Magnitude and Angle (K0-Factor)
........................................... 6-18
with Scalar Factor RE/RL and XE/XL
........................................... 6-17
Earth Impedance Matching ................ 10-12
Echo Function ... 6-95, 6-99, 6-129, 6-133
Electrical
Communication Interfaces ... 2-19, 2-31
Electrical Check ..................................... 3-3
Electrical Communication Interfaces .... 2-45
Electrical Tests ..................................... 10-7
EMC Tests
Interference Emission .................... 10-9
Interference Immunity .................... 10-8
Emergency Operation ........................ 10-14
End Fault Protection ............... 6-238, 6-242
Ending the Procedure .......................... 8-45
Entering Your Own Information ............ 5-24
Establishing a Default Display .............. 5-46
Establishing Information Properties ..... 5-18
Event Log (Operating Messages) .......... 7-5
Event Recording ................................... 4-16
Events .................................................. 5-41
Exiting the Setting Mode ................ 6-4, 6-6
External Direct and Remote Tripping
.................................. 1-9, 6-139, 10-24
Information Overview ................... 6-140
Method of Operation .................... 6-139
Settings ........................................ 6-140
External Trip of the Local Breaker ...... 10-24
External Trip of the Local Circuit Breaker
...................................................... 6-139
F
Fast Binary Outputs ............................. 5-28
Fault Detection and Trip Logic ........... 6-146
Fault Location ............... 1-11, 6-222, 10-33
Fault Recording .................................. 10-39
Features ................................................. 1-7
Filtering / Contact Chatter Suppression 5-20
Final Preparation of the Device ............ 8-67
Front Elements ....................................... 1-3
Front Panel ............................................. 7-3
Front Port and Rear Port ...................... 5-52