ABB Relion 670 Series Applications Manual page 24

Table of contents
23.11.1 Application.....................................................................................................................................564
23.11.2 Frequency values.......................................................................................................................... 565
23.11.3 Setting guidelines........................................................................................................................ 566
23.12 Test mode functionality TESTMODE.......................................................................................... 570
23.12.1 Application..................................................................................................................................... 570
23.12.1.1
23.12.2 Setting guidelines.........................................................................................................................572
23.13 Time synchronization TIMESYNCHGEN......................................................................................572
23.13.1 Application..................................................................................................................................... 572
23.13.2 Setting guidelines.........................................................................................................................573
23.13.2.1
23.13.2.2
23.13.2.3
Section 24 Requirements................................................................................................... 579
24.1 Current transformer requirements............................................................................................. 579
24.1.1 Current transformer basic classification and requirements............................................... 579
24.1.2 Conditions..................................................................................................................................... 580
24.1.3 Fault current...................................................................................................................................581
24.1.4 Secondary wire resistance and additional load......................................................................581
24.1.5 General current transformer requirements............................................................................ 582
24.1.6 Rated equivalent secondary e.m.f. requirements.................................................................. 582
24.1.6.1
24.1.6.2
24.1.6.3
24.1.6.4
24.1.7 Current transformer requirements for CTs according to other standards......................585
24.1.7.1
24.1.7.2
24.1.7.3
24.2 Voltage transformer requirements............................................................................................. 587
24.3 SNTP server requirements............................................................................................................ 587
24.4 PTP requirements........................................................................................................................... 587
24.5 Sample specification of communication requirements for the protection and
control terminals in digital telecommunication networks.....................................................587
24.6 IEC/UCA 61850-9-2LE Merging unit requirements ................................................................. 588
Section 25 Glossary............................................................................................................ 591
18
IEC 61850 protocol test mode.............................................................................................. 571
System time..............................................................................................................................573
Synchronization.......................................................................................................................574
Process bus IEC/UCA 61850-9-2LE synchronization....................................................... 576
Breaker failure protection..................................................................................................... 582
Non-directional instantaneous and definitive time, phase and residual
overcurrent protection.......................................................................................................... 583
Non-directional inverse time delayed phase and residual overcurrent protection...584
Directional phase and residual overcurrent protection..................................................584
Current transformers according to IEC 61869-2, class P, PR......................................... 585
Current transformers according to IEC 61869-2, class PX, PXR (and old IEC
60044-6, class TPS and old British Standard, class X).................................................... 585
Current transformers according to ANSI/IEEE.................................................................586
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