ABB RELION 670 Series Applications Manual page 20

Table of contents
19.8.2 Setting guidelines........................................................................................................................... 409
19.9 Signal matrix for binary outputs SMBO .......................................................................................... 410
19.9.1 Application........................................................................................................................................ 410
19.9.2 Setting guidelines............................................................................................................................410
19.10 Signal matrix for mA inputs SMMI.................................................................................................... 410
19.10.1 Application........................................................................................................................................ 410
19.10.2 Setting guidelines............................................................................................................................410
19.11 Signal matrix for analog inputs SMAI...............................................................................................410
19.11.1 Application........................................................................................................................................ 410
19.11.2 Frequency values.............................................................................................................................. 411
19.11.3 Setting guidelines............................................................................................................................ 412
19.12 Test mode functionality TEST............................................................................................................416
19.12.1 Application........................................................................................................................................ 416
19.12.1.1 IEC 61850 protocol test mode....................................................................................................417
19.12.2 Setting guidelines............................................................................................................................ 418
19.13 Time synchronization.......................................................................................................................... 418
19.13.1 Application........................................................................................................................................ 418
19.13.2 Setting guidelines............................................................................................................................ 419
19.13.2.1 System time................................................................................................................................... 419
19.13.2.2 Synchronization............................................................................................................................ 419
Section 20 Requirements....................................................................................................... 421
20.1 Current transformer requirements................................................................................................... 421
20.1.1 Current transformer classification............................................................................................... 421
20.1.2 Conditions......................................................................................................................................... 422
20.1.3 Fault current......................................................................................................................................422
20.1.4 Secondary wire resistance and additional load......................................................................... 422
20.1.5 General current transformer requirements................................................................................423
20.1.6 Rated equivalent secondary e.m.f. requirements......................................................................423
20.1.6.1 Busbar protection.........................................................................................................................423
20.1.6.2 Breaker failure protection...........................................................................................................424
20.1.6.3 Non-directional instantaneous and definitive time, phase and residual
overcurrent protection................................................................................................................ 425
20.1.6.4 Non-directional inverse time delayed phase and residual overcurrent protection........ 426
20.1.7 Current transformer requirements for CTs according to other standards.........................426
20.1.7.1 Current transformers according to IEC 61869-2, class P, PR............................................... 427
20.1.7.2 Current transformers according to IEC 61869-2, class PX, PXR (and old IEC
60044-6, class TPS and old British Standard, class X).......................................................... 427
20.1.7.3 Current transformers according to ANSI/IEEE.......................................................................427
20.2 Voltage transformer requirements.................................................................................................. 428
20.3 SNTP server requirements..................................................................................................................428
20.4 Sample specification of communication requirements for the protection and control
terminals in digital telecommunication networks........................................................................ 429
14
Application manual