Secondary wire resistance and additional load......................... 294
General current transformer requirements................................ 295
Rated equivalent secondary e.m.f. requirements...................... 295
Non-directional instantaneous and definitive time, phase
and residual overcurrent protection......................................295
Non-directional inverse time delayed phase and residual
overcurrent protection.......................................................... 296
Directional phase and residual overcurrent protection......... 297
Current transformer requirements for CTs according to
other standards..........................................................................298
Current transformers according to IEC 61869-2,
class P, PR...........................................................................298
Current transformers according to IEC 61869-2, class
PX, PXR (and old IEC 60044-6, class TPS
and old British Standard, class X)........................................ 298
Current transformers according to ANSI/IEEE..................... 298
Voltage transformer requirements.................................................. 299
SNTP server requirements............................................................. 300
PTP requirements...........................................................................300
IEC/UCA 61850-9-2LE Merging unit requirements ....................... 300
Section 17 Glossary....................................................................... 303
Table of contents
Bay control REC650 2.2 IEC 11
Application manual
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