ABB REC 561 User Manual page 177

Page II
Signal list ...................................................................................... 5-29
Setting table.................................................................................. 5-30
Application ............................................................................................ 5-31
Synchronism check ...................................................................... 5-31
Energizing check .......................................................................... 5-33
Voltage selection .......................................................................... 5-34
Fuse failure and Voltage OK signals ............................................ 5-35
Theory of operation............................................................................... 5-36
Synchro check .............................................................................. 5-36
Setting................................................................................................... 5-38
Operation...................................................................................... 5-38
Input phase................................................................................... 5-39
UMeasure ..................................................................................... 5-39
AutoEnerg and ManEnerg ............................................................ 5-39
Testing .................................................................................................. 5-40
Test equipment............................................................................. 5-40
Synchro-check tests ..................................................................... 5-40
Test of energizing check............................................................... 5-43
Appendix............................................................................................... 5-46
Terminal diagrams........................................................................ 5-46
Signal list ...................................................................................... 5-46
Setting table.................................................................................. 5-47
Application ............................................................................................ 5-49
Measuring principle............................................................................... 5-49
Design................................................................................................... 5-50
Settings......................................................................................... 5-51
Testing.......................................................................................... 5-52
Appendix............................................................................................... 5-56
Terminal diagrams........................................................................ 5-56
Signal list ...................................................................................... 5-57
Setting table.................................................................................. 5-57
Application ............................................................................................ 5-59
Theory of operation............................................................................... 5-60
Input and output signals ............................................................... 5-61
AR Operation................................................................................ 5-62
Function logic ............................................................................... 5-63
Test of voltage difference..................................................... 5-40
Test of phase difference ...................................................... 5-42
Test of frequency difference ................................................ 5-43
Test of reference voltage ..................................................... 5-43
Test of dead line live bus (DLLB)......................................... 5-43
Dead bus live line (DBLL) .................................................... 5-44
Energizing in both directions (DLLB or DBLL) ..................... 5-45
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