ABB REB670 - Differential protection

11.6.2 Differential protection
11.6.2.1 High impedance differential protection HZPDIF
Main menu/Test/Function status/Differential protection/
HighImpDifferential(PDIF,87)/HZPDIF:x
Displays available instances of HZPDIF with some measurements per instance.
These are the trip signal, the alarm signal and the measured RMS voltage on the
secondary side of the CT.
11.6.2.2 Three phase busbar differential protection BUTPTRC (Bay)
Main menu/Test/Function status/Differential protection/BBPBay3Ph(PTRC,
87B)/BUTPTRC:x
Connection and tripping data can be viewed here.
11.6.2.3 Three phase busbar differential protection BCZTPDIF (Check zone)
Main menu/Test/Function status/Differential protection/
BBPCheckZone3Ph(PDIF,87B)/BCZTPDIF:x
Trip data for the check zone and the separate phases is presented here.
11.6.2.4 Three phase busbar differential protection BZNTPDIF (ZoneA)
Main menu/Test/function status/Differential protection/BBPZoneA3Ph(PDIF,
87B)/BZNTPDIF_A:x
There are 28 data outputs here providing information about the status of Zone A.
11.6.2.5 Three phase busbar differential protection BZNTPDIF (Zone B)
Test/Function status/Differential protection/BBPZoneB3Ph(PDIF,87B)/
BZNTPDIF_B:x
Presents 28 data outputs providing information about protection Zone B.
11.6.2.6 Three phase busbar differential protection BZITGGIO (Zone Interc)
Main menu/Test/Function status/Differential protection/
BBPZoneInterc3Ph(GGIO,87B)/BZITGGIO:x
Data regarding the alarm status and the state of the function are shown here.
1MRK505209-UEN E Section 11
Test the IED
71
Operator's manual