Siemens SIPROTEC 4 7VK61 Manual page 359

N
Non-energized switching 88
O
One-pole dead time 154
Open Pole Detektor 153
Operating modes of the closing check 87
Operating state change 212
Operating Time of the Circuit Breaker 219
Operational Indication Buffer 254
Operational Indications 163
Operational measured values 254
Operator Interface
Control 203
Optical Fibres 205
Ordering Information 260
Oscillographic Recording for Test 221
Output Relay Binary Outputs 227
Output Relays 161
Overcurrent stage
I (inverse) 70
I> (independent) 70
Overcurrent Stages
3I0> (Definite-time Overcurrent Protection) 77
3I0p (Inverse-time Overcurrent Protection with ANSI
Characteristics) 79
3I0p (Inverse-time Overcurrent Protection with IEC
Characteristics) 78
Ip (Inverse-time Overcurrent Protection with ANSI
Characteristics) 79
Ip (Inverse-time Overcurrent Protection with IEC
Characteristics) 78
Iph> (Definite-time Overcurrent Protection) 77
Overview diagrams 266
overvoltage protection
any single-phase voltage 245
zero-sequence system 3 245
Overvoltage protection
Negative sequence system 99, 108, 244
Phase-to-earth 107, 244
Phase-to-phase 98, 107, 244
positive sequence system 107, 244
Positive sequence system 99
Zero-sequence system 108
Zero-sequence system 3 100
P
Panel flush mounting 257
Panel Mounting 202, 258
Phase Angle Monitoring 142
SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
Phase-segregated initiation - Circuit breaker failure
protection 119
Pickup Logic of the Entire Device 155
Pickup/tripping logic 74
Polarity Check
Current Input 219
Polarity Check:
Voltage Input 217
Pole discrepancy supervision 125, 128
Power Supply 226
Power System Data 1 31
R
Rack Mounting 200
Rated Currents 182
Rated frequency 35
Reading/Setting/Resetting 164
Real Time Clock and Buffer Battery 255
Reclose cycle 61, 62, 63
Reclosure
Blocking 47
Multiple 50
Reduced dead time 60
Reduced Dead Time 235
Reset of Stored LED / Relays 29
Retrievable Indications 163
Retrieving Parameters 167
S
Sampling frequency 131
Scope of Functions 26
Service Interface
Test 203
Service/Modem Interface 228
Setting Groups 36
Changing 179
Single-stage circuit breaker failure protection 127
Specifications 231
Spontaneous Displays 163
Spontaneous Fault Messages 28
Spontaneous Indications 163
Stage Iph>>> 79
Standard Interlocking 171
Start Test Measurement Recording 221
Sum Monitoring 142
Supervision with binary input 147
Supply Voltage 226
Switching
onto a fault 73
Switching (Interlocked/non-interlocked) 171
Switching Statistics 255
Switching Test of the Configured Operating Equip-
ment 221
Index
359