ABB REC670 Applications Manual page 24

Table of contents
18
Rated equivalent secondary e.m.f. requirements...................... 601
Breaker failure protection..................................................... 601
Non-directional instantaneous and definitive time, phase
and residual overcurrent protection......................................602
Non-directional inverse time delayed phase and residual
overcurrent protection.......................................................... 603
Directional phase and residual overcurrent protection......... 604
Current transformer requirements for CTs according to
other standards..........................................................................604
Current transformers according to IEC 61869-2,
class P, PR...........................................................................604
Current transformers according to IEC 61869-2, class
PX, PXR (and old IEC 60044-6, class TPS
and old British Standard, class X)........................................ 605
Current transformers according to ANSI/IEEE..................... 605
Voltage transformer requirements.................................................. 606
SNTP server requirements............................................................. 606
PTP requirements...........................................................................607
Sample specification of communication requirements for the
protection and control terminals in digital telecommunication
networks......................................................................................... 607
IEC/UCA 61850-9-2LE Merging unit requirements ....................... 608
Section 25 Glossary....................................................................... 611
Bay control REC670 2.2 IEC
Application manual