ABB 615 series Technical Manual page 38

Table of contents
32
Standard inverse-time characteristics for undervoltage
protection..................................................................................1119
User-programmable inverse-time characteristics for
undervoltage protection............................................................ 1122
IDMT curve saturation of undervoltage protection....................1122
Frequency measurement and protection............................................ 1123
Frequency adaptivity and generator start-up protection..................... 1123
Measurement modes.......................................................................... 1125
Calculated measurements.................................................................. 1127
Section 12 Requirements for measurement transformers.................1131
Current transformers...........................................................................1131
Current transformer requirements for overcurrent protection........ 1131
Current transformer accuracy class and accuracy limit factor..1131
Non-directional overcurrent protection..................................... 1132
Example for non-directional overcurrent protection..................1133
Current transformer requirements for transformer differential
protection.......................................................................................1134
Section 13 Protection relay's physical connections...........................1139
Module slot numbering....................................................................... 1139
Protective ground connections........................................................... 1141
Binary and analog connections...........................................................1141
Communication connections...............................................................1142
Ethernet RJ-45 front connection....................................................1142
Ethernet rear connections............................................................. 1143
EIA-232 serial rear connection...................................................... 1144
EIA-485 serial rear connection...................................................... 1144
Line differential protection communication connection..................1144
Optical ST serial rear connection.................................................. 1145
Communication interfaces and protocols...................................... 1145
Rear communication modules....................................................... 1146
COM0001-COM0014 jumper locations and connections ........ 1151
COM0023 jumper locations and connections ..........................1154
COM0008 and COM0010 jumper locations and connections.. 1160
COM0032-COM0034 jumper locations and connections......... 1163
Section 14 Technical data................................................................. 1167
Section 15 Protection relay and functionality tests............................1175
Section 16 Applicable standards and regulations............................. 1179
615 series ANSI
Technical Manual