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