There are several instances of BUTPTRC, each with some settings that include the
current transformer connection type, zone selection, check zone selection and
various time thresholds.
9.3.2.4
Three phase busbar differential protection BCZTPDIF (Check zone)
Main menu/Settings/Setting group N/Differential protection/
BBPCheckZone3Ph(PDIF,87B)/BCZTPDIF:x
The three settings here are
Operation
,
Operator level
and
Slope
.
9.3.2.5
Three phase busbar differential protection BZNTPDIF (ZoneA)
Main menu/Settings/Setting group N/Differential protection/
BBPZoneA3Ph(PDIF,87B)/BZNTPDIF_A:x
There are several settings in this view which cover several aspects of this function.
Operation, alarm settings and sensitivity levels are among the settings available here.
9.3.2.6
Three phase busbar differential protection BZNTPDIF (Zone B)
Main menu/Settings/Setting group N/Differential protection/
BBPZoneB3Ph(PDIF,87B)/BZNTPDIF_B:x
There are several settings in this view which cover several aspects of this function.
Operation, alarm settings and sensitivity levels are among the settings available here.
9.3.2.7
Three phase busbar differential protection BZITGGIO (Zone Interc)
Main menu/Settings/Setting group N/Differential protection/
BBPZoneInterc3Ph(GGIO,87B)/BZITGGIO:x
This function has two settings in this view. Operation for turning the function on or
off and the threshold time for the alarm.
9.3.2.8
Single phase busbar differential protection BUSPTRC (Bay)
Main menu/Settings/Setting group N/Differential protection/
BBPBay1Ph(PTRC,87B)/BUSPTRC_Bxx:yy
There are several instances of BUSPTRC, each with some settings that include the
current transformer connection type, zone selection, check zone selection and
various time thresholds.
9.3.2.9
Single phase busbar differential protection BCZSPDIF (Check zone)
Main menu/Settings/Setting group N/Differential protection/
BBPCheckZone1Ph(PDIF,87B)/BCZSPDIF:x
Section 9
1MRK505209-UEN E
Read and change settings
56
Operator's manual