Setting guidelines............................................................................ 605Directional negative sequence overcurrent protection............... 605Negative sequence overcurrent protection.................................607Generator stator overload protection in accordance with IECor ANSI standards...................................................................... 610Open phase protection for transformer, lines or generatorsand circuit breaker head flashover protection for generators..... 612Voltage restrained overcurrent protection for generator andstep-up transformer.................................................................... 613Loss of excitation protection for a generator.............................. 613Section 13 System protection and control...........................................617Multipurpose filter SMAIHPAC..............................................................617Identification.................................................................................... 617Application....................................................................................... 617Setting guidelines............................................................................ 619Setting example..........................................................................619Section 14 Secondary system supervision..........................................623Current circuit supervision (87).............................................................623Identification.................................................................................... 623Application....................................................................................... 623Setting guidelines............................................................................ 624Fuse failure supervision FUFSPVC...................................................... 624Identification.................................................................................... 624Application....................................................................................... 624Setting guidelines............................................................................ 625General.......................................................................................625Setting of common parameters.................................................. 625Negative sequence based.......................................................... 626Zero sequence based.................................................................627Delta V and delta I ..................................................................... 628Dead line detection.....................................................................628Fuse failure supervision VDSPVC (60).................................................628Identification.................................................................................... 629Application....................................................................................... 629Setting guidelines............................................................................ 630Section 15 Control...............................................................................633Synchronism check, energizing check, and synchronizingSESRSYN (25)..................................................................................... 633Table of contents14 Line distance protection REL670 2.2 ANSIApplication manual
