Figure 118: Average rate of change of frequency characteristic 234
Figure 119: Average rate of change of frequency logic (single stage) 235
Figure 120: Fault recorder stop conditions 250
Figure 121: CB State Monitoring logic 259
Figure 122: Hotkey menu navigation 261
Figure 123: Default function key PSL 262
Figure 124: Remote Control of Circuit Breaker 263
Figure 125: CB Control logic 264
Figure 126: Pole Dead logic 265
Figure 127: Representation of typical feeder bay 267
Figure 128: Switch Status logic 268
Figure 129: Switch Control logic 269
Figure 130: DC Supply Monitor zones 274
Figure 131: DC Supply Monitor logic 275
Figure 132: VTS logic 278
Figure 133: VTS Acceleration Indication Logic 279
Figure 134: CTS logic diagram 280
Figure 135: TCS Scheme 1 282
Figure 136: PSL for TCS Scheme 1 283
Figure 137: TCS Scheme 2 284
Figure 138: PSL for TCS Scheme 2 284
Figure 139: TCS Scheme 3 285
Figure 140: PSL for TCS Scheme 3 286
Figure 141: TCS Scheme 4 286
Figure 142: PSL for TCS Scheme 4 287
Figure 143: Scheme Logic Interfaces 293
Figure 144: Trip LED logic 297
Figure 145: RS485 biasing circuit 308
Figure 146: Remote communication using K-Bus 309
Figure 147: IED attached to separate LANs 312
Figure 148: HSR multicast topology 313
Figure 149: HSR unicast topology 314
Figure 150: HSR application in the substation 315
Figure 151: IED attached to redundant Ethernet star or ring circuit 315
Figure 152: Control input behaviour 326
Figure 153: Manual selection of a disturbance record 342
Figure 154: Automatic selection of disturbance record - method 1 343
Figure 155: Automatic selection of disturbance record - method 2 344
Figure 156: Configuration file extraction 345
Figure 157: Data file extraction 346
Table of Figures P24xM
xx P24xM-TM-EN-2.1
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