ABB Relion 670 series - Secure FTP Access with TLS;FTPS; Encryption Algorithms for Secure Communication

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8.14.1 Identification.....................................................................................................................................561

8.14.2 Functionality..................................................................................................................................... 561

8.14.3 Function block.................................................................................................................................. 562

8.14.4 Signals................................................................................................................................................ 562

8.14.5 Settings..............................................................................................................................................563

8.14.6 Monitored data................................................................................................................................ 564

8.14.7 Operation principle......................................................................................................................... 564

8.14.7.1 Pickup sensitivity..........................................................................................................................566

8.14.7.2 Alarm function...............................................................................................................................566

8.14.7.3 Logic diagram............................................................................................................................... 566

8.14.8 Technical data...................................................................................................................................567

8.15 Accidental energizing protection for synchronous generator AEGPVOC (50AE)................... 568

8.15.1 Identification.................................................................................................................................... 568

8.15.1.1 Functionality .................................................................................................................................568

8.15.1.2 Function block...............................................................................................................................568

8.15.1.3 Signals............................................................................................................................................ 568

8.15.1.4 Settings.......................................................................................................................................... 569

8.15.1.5 Monitored data............................................................................................................................. 569

8.15.1.6 Operation principle...................................................................................................................... 569

8.15.1.7 Technical data............................................................................................................................... 570

8.16 Voltage-restrained time overcurrent protection VRPVOC (51V)................................................. 571

8.16.1 Identification..................................................................................................................................... 571

8.16.2 Functionality......................................................................................................................................571

8.16.3 Function block.................................................................................................................................. 572

8.16.4 Signals................................................................................................................................................ 572

8.16.5 Settings..............................................................................................................................................573

8.16.6 Monitored data.................................................................................................................................574

8.16.7 Operation principle..........................................................................................................................574

8.16.7.1 Measured quantities.................................................................................................................... 574

8.16.7.2 Base quantities............................................................................................................................. 574

8.16.7.3 Overcurrent protection............................................................................................................... 574

8.16.7.4 Logic diagram................................................................................................................................576

8.16.7.5 Undervoltage protection.............................................................................................................576

8.16.8 Technical data...................................................................................................................................577

8.17 Generator stator overload protection, GSPTTR (49S).................................................................. 577

8.17.1 Identification.................................................................................................................................... 578

8.17.2 Functionality..................................................................................................................................... 578

8.17.3 Function block.................................................................................................................................. 578

8.17.4 Signals................................................................................................................................................ 578

8.17.5 Settings..............................................................................................................................................579

8.17.6 Monitored data................................................................................................................................ 580

8.17.7 Operation principle......................................................................................................................... 580

8.17.8 Technical data.................................................................................................................................. 585

Table of contents

Technical manual