9440300990 13-5
DECS-250 Metering
Synchronization
BESTCOMSPlus Navigation Path: Metering Explorer, Synchronization
HMI Navigation Path: Metering Explorer, Synchronization
Metered generator-to-bus synchronization parameters include the slip frequency, slip angle, and voltage
difference. Primary- and per-unit values are available. Figure 13-8 illustrates the synchronization primary-
values metering screen.
Figure 13-8. Synchronization Primary Values Metering
Auxiliary Control Input
BESTCOMSPlus Navigation Path: Metering Explorer, Aux Input
HMI Navigation Path: Metering Explorer, Aux Input
The control signal applied at the DECS-250 auxiliary control input is indicated on the Aux Input metering
screen (Figure 13-9). As configured in BESTCOMSPlus, a dc voltage or dc current signal may be applied.
Figure 13-9. Auxiliary Control Input Metering
Tracking
BESTCOMSPlus Navigation Path: Metering Explorer, Tracking
HMI Navigation Path: Metering Explorer, Tracking
The metered setpoint tracking error between DECS-250 operating modes is displayed on the Tracking
metering screen (Figure 13-10). Status fields are also provided for the on/off status for internal and
external setpoint tracking. An additional status field indicates when the setpoint of an inactive operating
mode matches the metered value.
Figure 13-10. Tracking Metering
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