ABB Relion 650 Series Applications Manual page 16

Table of contents
15.11 Global base values GBASVAL........................................................................................................ 235
15.11.1 Identification................................................................................................................................. 235
15.11.2 Application..................................................................................................................................... 235
15.11.3 Setting guidelines.........................................................................................................................235
15.12 Authority check ATHCHCK............................................................................................................ 236
15.12.1 Identification................................................................................................................................. 236
15.12.2 Application..................................................................................................................................... 236
15.12.2.1
15.13 Authority status ATHSTAT............................................................................................................ 237
15.13.1 Identification................................................................................................................................. 237
15.13.2 Application..................................................................................................................................... 237
15.14 Denial of service.............................................................................................................................. 238
15.14.1 Identification................................................................................................................................. 238
15.14.2 Application..................................................................................................................................... 238
15.14.3 Setting guidelines.........................................................................................................................238
Section 16 Requirements................................................................................................... 239
16.1 Current transformer requirements............................................................................................. 239
16.1.1 Current transformer classification........................................................................................... 239
16.1.2 Conditions..................................................................................................................................... 240
16.1.3 Fault current.................................................................................................................................. 240
16.1.4 Secondary wire resistance and additional load..................................................................... 240
16.1.5 General current transformer requirements.............................................................................241
16.1.6 Rated equivalent secondary e.m.f. requirements...................................................................241
16.1.6.1
16.1.6.2
16.1.6.3
16.1.6.4
16.1.6.5
16.1.7 Current transformer requirements for CTs according to other standards......................245
16.1.7.1
16.1.7.2
16.1.7.3
16.2 Voltage transformer requirements.............................................................................................246
16.3 SNTP server requirements............................................................................................................ 247
16.3.1 SNTP server requirements.......................................................................................................... 247
Section 17 Glossary............................................................................................................ 249
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Authorization handling in the IED........................................................................................ 237
1 Ph high impedance differential protection..................................................................... 241
Breaker failure protection..................................................................................................... 242
Non-directional instantaneous and definitive time, phase and residual
overcurrent protection...........................................................................................................243
Non-directional inverse time delayed phase and residual overcurrent protection...243
Directional phase and residual overcurrent protection.................................................. 244
Current transformers according to IEC 61869-2, class P, PR......................................... 245
Current transformers according to IEC 61869-2, class PX, PXR (and old IEC
60044-6, class TPS and old British Standard, class X).................................................... 245
Current transformers according to ANSI/IEEE.................................................................245
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