Siemens 6MD86 - Page 28

11.7 External Trip Initiation .................................................................................................. 1110
11.8 Overcurrent Protection, Phases......................................................................................1111
11.8.1 Stage with Definite-Time Characteristic Curve.......................................................... 1111
11.8.2 Stage with Inverse-Time Characteristic Curve........................................................... 1113
11.8.3 Stage with User-Defined Characteristic Curve .......................................................... 1120
11.9 Overcurrent Protection, Ground.................................................................................... 1123
11.9.1 Stage with Definite-Time Characteristic Curve ......................................................... 1123
11.9.2 Stage with Inverse-Time Characteristic Curve........................................................... 1124
11.9.3 Stage with User-Defined Characteristic Curve .......................................................... 1131
11.10 Directional Time-Overcurrent Protection, Phases ...........................................................1133
11.11 Directional Time-Overcurrent Protection, Ground.......................................................... 1136
11.12 Inrush-Current Detection...............................................................................................1141
11.13 Instantaneous High-Current Tripping.............................................................................1142
11.14 Stage with Definite-Time Characteristic Curve................................................................1143
11.15 Stage with Inverse-Time Characteristic Curve.................................................................1145
11.16 Voltage-Dependent Overcurrent Protection, Phases....................................................... 1147
11.17 Overvoltage Protection with 3-Phase Voltage.................................................................1150
11.18 Overvoltage Protection with Positive-Sequence Voltage ................................................ 1152
11.19 Overvoltage Protection with Any Voltage.......................................................................1153
11.20 Undervoltage Protection with 3-Phase Voltage.............................................................. 1155
11.21 Undervoltage Protection with Any Voltage ....................................................................1158
11.22 Overfrequency Protection..............................................................................................1159
11.23 Underfrequency Protection........................................................................................... 1160
11.24 Underfrequency Load Shedding.................................................................................... 1161
11.25 Rate of Frequency Change Protection............................................................................ 1163
11.26 3-Phase Power Protection (P,Q)..................................................................................... 1165
11.27 Instantaneous Tripping at Switch onto Fault ................................................................. 1166
11.28 Circuit-Breaker Failure Protection ..................................................................................1167
11.29 Negative-Sequence Protection with Definite-Time Characteristic Curve ......................... 1169
11.30 Stage with Inverse-Time Characteristic Curve.................................................................1170
11.31 Thermal Overload Protection, 3-Phase – Advanced........................................................ 1172
11.32 Temperature Supervision.............................................................................................. 1175
11.33 Analog-Units Function Group........................................................................................ 1176
11.34 Synchronization Function..............................................................................................1177
11.35 Arc Protection............................................................................................................... 1180
11.36 Voltage Controller.........................................................................................................1181
11.37 Current-Balance Supervision..........................................................................................1185
11.38 Voltage-Balance Supervision .........................................................................................1186
11.39 Current-Sum Supervision...............................................................................................1187
11.40 Voltage-Sum Supervision.............................................................................................. 1188
11.41 Current Phase-Rotation Supervision .............................................................................. 1189
11.42 Voltage Phase-Rotation Supervision ..............................................................................1190
11.43 Trip-Circuit Supervision ................................................................................................ 1191
11.44 Analog Channel Supervision via Fast Current Sum .........................................................1192
Table of Contents
28 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017