ABB REB670 Commissioning Manual page 9

Busbar protection REB670 2.2 IEC
Commissioning manual
How to enable forcing..................................................................74
Enable forcing by using LHMI................................................ 74
Enable forcing using TESTMODE function block...................75
How to change binary input/output signals using forcing............ 75
Forcing by using LHMI........................................................... 75
Forcing by using PCM600...................................................... 77
How to undo forcing changes and return the IED to normal
operation......................................................................................79
Undo forcing by using TESTMODE component.....................79
Undo forcing by using LHMI................................................... 79
Undo forcing by using PCM600..............................................79
Section 10 Testing functionality by secondary injection................... 81
Testing disturbance report................................................................81
Introduction..................................................................................81
Disturbance report settings..........................................................81
Disturbance recorder (DR).......................................................... 81
Event recorder (ER) and Event list (EL)...................................... 82
Identifying the function to test in the technical reference manual ....83
Differential protection........................................................................83
Busbar differential protection.......................................................83
General...................................................................................83
Operation of the differential protection from CTx input...........84
Stability of the busbar differential protection.......................... 86
Operation of fast open CT detection algorithm.......................87
Operation of slow open CT detection algorithm..................... 88
Completing the test................................................................ 89
Check of trip circuits and circuit breakers ..............................89
Current protection.............................................................................90
Directional phase overcurrent protection, four steps
OC4PTOC................................................................................... 90
Verifying the settings.............................................................. 90
Completing the test................................................................ 91
Four step single phase overcurrent protection PH4SPTOC........91
Verifying the settings.............................................................. 92
Completing the test................................................................ 92
Four step residual overcurrent protection, (Zero sequence
or negative sequence directionality) EF4PTOC ......................... 92
Four step directional earth fault protection............................. 92
Four step non-directional earth fault protection......................93
Completing the test................................................................ 93
Four step negative sequence overcurrent protection
NS4PTOC ...................................................................................94
Completing the test................................................................ 95
Table of contents
3