ABB Relion 670 series - Security in Substation Automation; General Security in Substation Automation

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7.10.5 Settings..............................................................................................................................................370

7.10.6 Monitored data................................................................................................................................. 371

7.10.7 Operation principle.......................................................................................................................... 371

7.10.8 Technical data...................................................................................................................................374

7.11 Out-of-step protection OOSPPAM (78)............................................................................................375

7.11.1 Identification.....................................................................................................................................375

7.11.2 Functionality..................................................................................................................................... 375

7.11.3 Function block.................................................................................................................................. 375

7.11.4 Signals................................................................................................................................................ 376

7.11.5 Settings.............................................................................................................................................. 377

7.11.6 Monitored data.................................................................................................................................378

7.11.7 Operation principle..........................................................................................................................378

7.11.7.1 Lens characteristic....................................................................................................................... 381

7.11.7.2 Detecting an out-of-step condition..........................................................................................383

7.11.7.3 Maximum slip frequency............................................................................................................. 383

7.11.7.4 Taking care of the circuit breaker ............................................................................................ 384

7.11.7.5 Design............................................................................................................................................. 386

7.11.8 Technical data...................................................................................................................................387

7.12 Loss of excitation LEXPDIS(40).........................................................................................................387

7.12.1 Identification.................................................................................................................................... 388

7.12.2 Functionality..................................................................................................................................... 388

7.12.3 Function block.................................................................................................................................. 388

7.12.4 Signals................................................................................................................................................388

7.12.5 Settings..............................................................................................................................................389

7.12.6 Monitored data................................................................................................................................ 390

7.12.7 Operation principle......................................................................................................................... 390

7.12.8 Technical data...................................................................................................................................395

7.13 Sensitive rotor earth fault protection, injection based ROTIPHIZ (64R).................................. 395

7.13.1 Identification.................................................................................................................................... 395

7.13.2 Functionality..................................................................................................................................... 395

7.13.3 Function block.................................................................................................................................. 396

7.13.4 Signals................................................................................................................................................396

7.13.5 Settings..............................................................................................................................................397

7.13.6 Monitored data................................................................................................................................ 398

7.13.7 Detailed interface description...................................................................................................... 399

7.13.8 Operation principle......................................................................................................................... 400

7.13.8.1 The injection unit REX060.......................................................................................................... 402

7.13.8.2 Rotor Earth Fault Protection function..................................................................................... 402

7.13.8.3 General measurement of ground fault impedance............................................................... 404

7.13.8.4 Simplified logic diagram.............................................................................................................406

7.13.9 Technical data.................................................................................................................................. 408

7.14 100% stator earth fault protection, injection based STTIPHIZ (64S)....................................... 409

7.14.1 Identification....................................................................................................................................409

Table of contents

Technical manual