Loss of pmg, Exciter diode monitor (edm), Voltage difference – Basler Electric DECS-250N User Manual
Page 330: Slip angle, Slip frequency, Startup, Soft start level, Soft start time, Field flash dropout level, Synchronism check (25) protection
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9440500990 Rev D
Specifications
DECS-250N
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
Pickup Level
Open and Shorted Diode ................. 0 to 100% of Metered Field Current
Increment ......................................... 0.1%
Delay
Open Diode Protection ..................... 10 to 60 s
Shorted Diode Protection ................. 5 to 30 s
Increment ......................................... 0.1 s
Synchronism Check (25) Protection
Voltage Difference
Range ............................................... 1 to 50%
Increment ......................................... 1%
Slip Angle
Range ............................................... 1 to 99
°
Increment ......................................... 0.1
°
Slip Frequency
Range ............................................... 0.01 to 0.5 Hz
Increment ......................................... 0.01 Hz
Startup
Soft Start Level
Range ............................................... 0 to 90% of Rated Gen Voltage
Increment ......................................... 1%
Soft Start Time
Range ............................................... 1 to 7,200 s
Increment ......................................... 1 s
Field Flash Dropout Level
Range ............................................... 0 to 100% of Rated Gen Voltage
Increment ......................................... 1%