Overfrequency (81o) and underfrequency (81u), Reverse power (32r), Loss of excitation (40q) – Basler Electric DECS-250N User Manual
Page 329: Field overvoltage, Field overcurrent, Field protection functions
9440500990 Rev D
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DECS-250N
Specifications
Overfrequency (81O) and Underfrequency (81U)
Pickup
Range ............................................... 30 to 70 Hz
Increment ......................................... 0.01 Hz
Time Delay
Time Delay Range ........................... 0 to 300 s
Increment ......................................... 0.1 s
Voltage Inhibit (81U only)
Range ............................................... 50 to 100% of Rated Voltage
Increment ......................................... 1%
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