170
9440300990 Rev J
Configuration
DECS-250
A
Generator Voltage Rating
: Adjustable from 1 to 500,000 Vac in 1 Vac increments.
B
Generator Frequency Rating
: Select 50 or 60 Hz.
C
Generator PF (Power Factor)
: Adjustable from –0.5 to 0.5 in 0.001 increments.
D
Generator Voltamperes
: Adjustable from 0 to 1,000,000 kVA in 0.01 kVA increments.
E
Generator Current
: Read-only value calculated from the generator VA and voltage.
F
Generator Power
: Read-only value calculated from the generator voltage, current, and PF.
G
Generator Reactive Power:
Read-only value calculated from the generator VA and PF.
H
Field Voltage No Load
: Adjustable from 1 to 264 Vdc in 0.1 Vdc increments.
I
Field Current No Load
: Adjustable from 0.1 to 15 Adc in 0.1 Adc increments.
J
Field Voltage Full Load
: Adjustable from 1 to 264 Vdc in 0.1 Vdc increments.
K
Field Current Full Load
: Adjustable from 0.1 to 15 Adc in 0.1 Adc increments.
L
Pole Ratio:
Adjustable from 0 to 10 in 0.01 increments.
M
Calculator
: Choose number of exciter and generator poles to calculate pole ratio.
N
Bus Voltage
: Adjustable from 1 to 500,000 Vac in 1 Vac increments.
O
Power Input Voltage
: Adjustable from 1 to 480 V in .01 increments.
P
Bridge (Inverted) Output:
Check box to enable inversion, uncheck to disable inversion.
Bridge
A Power Input Configuration
A
setting establishes the DECS-250 operating power configuration. All other
settings on this screen are disabled and used only by the DECS-250N Digital Excitation Control System.
Figure 149. Power Input Configuration
A
Power Input Configuration:
Select Single Phase or Three Phase.
Sensing Transformer Ratings and Configuration
BESTCOMSPlus Navigation Path:
Settings Explorer, System Parameters, Sensing Transformers
HMI Navigation Path:
Settings, System Parameters, Sensing Transformers
DECS-250 configuration includes entry of the primary and secondary values for the transformers that
supply generator and bus sensing values to the DECS-250. These configuration settings are illustrated in
Figure 150.
Summary of Contents for DECS-250
Page 2: ......
Page 6: ...iv 9440300990 Rev J Revision History DECS 250 ...
Page 16: ...xiv 9440300990 Rev J Contents DECS 250 ...
Page 20: ...4 9440300990 Rev J Introduction DECS 250 ...
Page 28: ...12 9440300990 Rev J Power Stage DECS 250 ...
Page 32: ...16 9440300990 Rev J Voltage and Current Sensing DECS 250 ...
Page 40: ...24 9440300990 Rev J Synchronizer DECS 250 ...
Page 52: ...36 9440300990 Rev J Auxiliary Control DECS 250 ...
Page 56: ...40 9440300990 Rev J Contact Inputs and Outputs DECS 250 ...
Page 84: ...68 9440300990 Rev J Limiters DECS 250 ...
Page 114: ...98 9440300990 Rev J Power System Stabilizer DECS 250 Figure 96 PSS Parameter Settings ...
Page 124: ...108 9440300990 Rev J Stability Tuning DECS 250 ...
Page 126: ...110 9440300990 Rev J Mounting DECS 250 Figure 103 Overall and Projection Mounting Dimensions ...
Page 127: ...9440300990 Rev J 111 DECS 250 Mounting Figure 104 DECS 250 Escutcheon Plate Dimensions ...
Page 198: ...182 9440300990 Rev J Timekeeping DECS 250 ...
Page 210: ...194 9440300990 Rev J CAN Communication DECS 250 ...
Page 304: ...288 9440300990 Rev J Maintenance DECS 250 ...
Page 316: ...300 9440300990 Rev J Specifications DECS 250 ...
Page 334: ...318 9440300990 Rev J Analog Expansion Module DECS 250 ...
Page 351: ......