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Basler DECS-250 User Manual

Basler DECS-250
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10-14 9440300990
Protection DECS-250
Figure 10-16. Sync-Check Protection Settings
Generator Frequency Less Than 10 Hertz
A Generator Below 10 Hz condition is annunciated when the generator frequency decreases below 10 Hz
or when residual voltage is low at 50/60 Hz. A Generator Below 10 Hz annunciation is automatically reset
when the generator frequency increases above 10 Hz or the residual voltage increases above the
threshold.
Configurable Protection
BESTCOMSPlus Navigation Path: Settings Explorer, Protection, Configurable Protection
HMI Navigation Path: Settings, Protection, Configurable Protection
The DECS-250 has eight configurable protection elements which can be used to supplement the
standard DECS-250 protection. BESTCOMSPlus configurable protection settings are illustrated in Figure
10-17. To make the protection elements easier to identify, each element can be given a user-assigned
name. A protection element is configured by selecting the parameter to be monitored and then
establishing the operating characteristics for the element. Any one of the following parameters may be
selected.
Analog Input 1, 2, 3, 4, 5, 6, 7, 8
APC Output
Auxiliary Input Current (mA)
Auxiliary Input Voltage
Bus Frequency
Bus Voltage: V
AB
, V
BC
, or V
CA
EDM Ripple
Exciter Field Current
Exciter Field Voltage
Gen Current: I
A
, I
B
, I
C
, or Average
Gen Frequency
Gen Power Factor
Gen Voltage: V
AB
, V
BC
, V
CA
, or Average
Kilovarhours
Kilowatthours
LVRT Output
Negative Sequence Current
Negative Sequence Voltage
NLS Error Percent

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Basler DECS-250 Specifications

General IconGeneral
BrandBasler
ModelDECS-250
CategoryControl Systems
LanguageEnglish

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