9440300990 31-7
DECS-250 Specifications
Reverse Power (32R)
Pickup
Range ............................................... 0 to 150% of Rated Watts
Increment ......................................... 1%
Time Delay
Range ............................................... 0 to 300 s
Increment ......................................... 0.1 s
Loss of Excitation (40Q)
Pickup
Range ............................................... 0 to 150% of Rated kvars
Increment ......................................... 1%
Time Delay
Range ............................................... 0 to 300 s
Increment ......................................... 0.1 s
Field Protection Functions
Field Overvoltage
Pickup
Range ............................................... 1 to 325 Vdc
Increment ......................................... 1 Vdc
Time Delay
Range ............................................... 0.2 to 30 s
Increment ......................................... 0.1 s
Field Overcurrent
Pickup
Range ............................................... 0 to 22 Adc
Increment ......................................... 0.1 Adc
Time Delay
Range ............................................... 5 to 60 s
Increment ......................................... 0.1 s
Loss of PMG
Pickup
Single-Phase Source ....................... <10 Vac
Three-Phase Source ........................ <50 Vac or a phase-to-phase imbalance >20%
Time Delay
Range ............................................... 0 to 10 s
Increment ......................................... 0.1 s
Exciter Diode Monitor (EDM)
Pole Ratio
Range ............................................... 0 to 10
Increment ......................................... 0.01