Application....................................................................................... 151
Setting guidelines............................................................................ 152
Equipment protection, such as for motors and generators.........152
Disconnected equipment detection............................................ 152
Power supply quality ..................................................................152
Voltage instability mitigation....................................................... 153
Backup protection for power system faults.................................153
Settings for Two step undervoltage protection........................... 153
Two step overvoltage protection OV2PTOV (59)................................. 154
Identification.................................................................................... 154
Application....................................................................................... 155
Setting guidelines............................................................................ 155
Two step residual overvoltage protection ROV2PTOV (59N)...............158
Power supply quality...................................................................159
High impedance grounded systems........................................... 159
Direct grounded system..............................................................160
Settings for Two step residual overvoltage protection................161
Loss of voltage check LOVPTUV (27)..................................................163
Section 8 Frequency protection.........................................................165
Underfrequency protection SAPTUF (81).............................................165
Identification.................................................................................... 165
Application....................................................................................... 165
Setting guidelines............................................................................ 166
Overfrequency protection SAPTOF (81)...............................................166
Rate-of-change frequency protection SAPFRC (81)............................ 168
Identification.................................................................................... 168
Application....................................................................................... 168
Setting guidelines............................................................................ 169
Section 9 Secondary system supervision..........................................171
Table of contents
5
Application manual
Summary of Contents for REC650 ANSI
Page 1: ...Relion 650 series Bay control REC650 ANSI Application manual...
Page 2: ......
Page 26: ...20...
Page 66: ...Section 3 1MRK 511 286 UUS A REC650 setting examples 60 Application manual...
Page 71: ...IED IED ANSI05000460 V2 EN 1MRK 511 286 UUS A Section 4 Analog inputs 65 Application manual...
Page 82: ...76...
Page 92: ...86...
Page 170: ...164...
Page 176: ...170...
Page 274: ...268...
Page 288: ...282...
Page 350: ...344...
Page 369: ...363...