ABB Relion 670 Series Applications Manual page 23

22.1.7.1 Current transformers according to IEC 61869-2, class P, PR...............................................508
22.1.7.2 Current transformers according to IEC 61869-2, class PX, PXR (and old IEC
60044-6, class TPS and old British Standard, class X)..........................................................508
22.1.7.3 Current transformers according to ANSI/IEEE...................................................................... 509
22.2 Voltage transformer requirements...................................................................................................510
22.3 SNTP server requirements..................................................................................................................510
22.4 Sample specification of communication requirements for the protection and control
terminals in digital telecommunication networks.........................................................................510
22.5 IEC 61850-9-2LE Merging unit requirements ..................................................................................511
Section 23 Glossary.................................................................................................................513
Application manual
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