ABB Relion 670 Series Applications Manual page 22

Table of contents
21.6.2 Setting guidelines........................................................................................................................... 490
21.7 Global base values GBASVAL............................................................................................................. 490
21.7.1 Identification.....................................................................................................................................491
21.7.2 Application........................................................................................................................................ 491
21.7.3 Setting guidelines............................................................................................................................ 491
21.8 Signal matrix for binary inputs SMBI................................................................................................ 491
21.8.1 Application........................................................................................................................................ 491
21.8.2 Setting guidelines............................................................................................................................ 491
21.9 Signal matrix for binary outputs SMBO ..........................................................................................492
21.9.1 Application........................................................................................................................................ 492
21.9.2 Setting guidelines............................................................................................................................492
21.10 Signal matrix for mA inputs SMMI.................................................................................................... 492
21.10.1 Application........................................................................................................................................ 492
21.10.2 Setting guidelines............................................................................................................................492
21.11 Signal matrix for analog inputs SMAI...............................................................................................492
21.11.1 Application........................................................................................................................................ 492
21.11.2 Frequency values..............................................................................................................................493
21.11.3 Setting guidelines........................................................................................................................... 494
21.12 Test mode functionality TEST........................................................................................................... 498
21.12.1 Application........................................................................................................................................ 498
21.12.1.1 IEC 61850 protocol test mode................................................................................................... 499
21.12.2 Setting guidelines........................................................................................................................... 500
21.13 Time synchronization..........................................................................................................................500
21.13.1 Application........................................................................................................................................500
21.13.2 Setting guidelines............................................................................................................................ 501
21.13.2.1 System time................................................................................................................................... 501
21.13.2.2 Synchronization............................................................................................................................ 501
21.13.2.3 Process bus IEC 61850-9-2LE synchronization.......................................................................502
Section 22 Requirements....................................................................................................... 503
22.1 Current transformer requirements.................................................................................................. 503
22.1.1 Current transformer classification.............................................................................................. 503
22.1.2 Conditions.........................................................................................................................................504
22.1.3 Fault current..................................................................................................................................... 504
22.1.4 Secondary wire resistance and additional load........................................................................ 504
22.1.5 General current transformer requirements................................................................................505
22.1.6 Rated equivalent secondary e.m.f. requirements..................................................................... 505
22.1.6.1 Breaker failure protection.......................................................................................................... 505
22.1.6.2 Non-directional instantaneous and definitive time, phase and residual
overcurrent protection................................................................................................................506
22.1.6.3 Non-directional inverse time delayed phase and residual overcurrent protection........ 507
22.1.6.4 Directional phase and residual overcurrent protection........................................................507
22.1.7 Current transformer requirements for CTs according to other standards.........................508
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Application manual