Application....................................................................................... 509Setting guidelines............................................................................ 509Signal matrix for analog inputs SMAI....................................................509Application....................................................................................... 510Frequency values............................................................................ 510Setting guidelines............................................................................ 511Test mode functionality TESTMODE....................................................516Application....................................................................................... 516IEC 61850 protocol test mode.................................................... 516Setting guidelines............................................................................ 517Time synchronization TIMESYNCHGEN..............................................518Application....................................................................................... 518Setting guidelines............................................................................ 519System time................................................................................519Synchronization.......................................................................... 519Section 21 Requirements.................................................................... 523Current transformer requirements........................................................ 523Current transformer basic classification and requirements............. 523Conditions........................................................................................525Fault current.....................................................................................526Secondary wire resistance and additional load............................... 526General current transformer requirements...................................... 527Rated equivalent secondary e.m.f. requirements............................ 527Busbar protection....................................................................... 528Breaker failure protection........................................................... 529Non-directional instantaneous and definitive time, phaseand residual overcurrent protection............................................ 529Non-directional inverse time delayed phase and residualovercurrent protection.................................................................530Current transformer requirements for CTs according to otherstandards.........................................................................................531Current transformers according to IEC 61869-2, class P, PR.... 531Current transformers according to IEC 61869-2, class PX,PXR (and old IEC 60044-6, class TPSand old British Standard, class X).............................................. 532Current transformers according to ANSI/IEEE........................... 532Voltage transformer requirements........................................................ 533SNTP server requirements................................................................... 533PTP requirements.................................................................................534Table of contents16 Busbar protection REB670 2.2 ANSIApplication manual
