Basler DGC-2020HD - Protection Functions

9469300994 7-7
DGC-2020HD Specifications
Maintenance Timer
Maintenance timer indicates the time remaining until genset service is due. Value is retained in
nonvolatile memory.
Metering Range ................................ 0 to 5,000 hours
Update Interval ................................. 0.1 hours
Accuracy........................................... ±1% of actual indication or as low as ±12 minutes
Display Resolution ........................... 1 minute
Protection Functions
Overvoltage (59) and Undervoltage (27)
Pickup Range ................................... 0 to 576 V
Pickup Increment ............................. 1 V
Hysteresis Range ............................. 1 to 60 Vac
Inhibit Frequency Range .................. 20 to 90 Hz (27 function only)
Activation Delay Range .................... 0 to 600 s
Activation Delay Increment .............. 0.1 s
Underfrequency (81U) and Overfrequency (81O)
Pickup Range ................................... 37.5 to 66 Hz
Pickup Increment ............................. 0.01 Hz
Hysteresis Range ............................. 0.1 to 40 Hz
Activation Delay Range .................... 0 to 600 s
Activation Delay Increment .............. 0.1 s
Inhibit Voltage Range ....................... 0 to 100% of nominal voltage
Inhibit Voltage Increment ................. 1%
ROCOF (Rate of Change of Frequency) (81) (Optional)
Pickup Range ................................... 0.2 to 10 Hz/s
Pickup Increment ............................. 0.1 Hz/s
Pickup Accuracy ............................... 0.2 Hz/s
Activation Delay Range .................... 0 to 10,000 ms
Activation Delay Increment .............. 1 ms
Reverse and Forward Power (32)
Pickup Range ................................... 0 to 200% of nominal input rating
Pickup Increment ............................. 0.1%
Hysteresis Range ............................. 1 to 10%
Activation Delay Range .................... 0 to 600 s
Activation Delay Increment .............. 0.1 s
Loss of Excitation (40Q)
Pickup Range ................................... –150 to 0% of Rated kvar*
Pickup Increment ............................. 0.1%
Hysteresis Range ............................. 1 to 10%
Activation Delay Range .................... 0 to 600 s
Activation Delay Increment .............. 0.1 s
* Rated kvar is calculated on the System Settings, Rated Data screen in BESTCOMSPlus
®
.
Current Imbalance (46) (Optional)
Pickup Range ................................... 0.18 to 4 Aac (1 A current sensing)
0.9 to 20 Aac (5 A current sensing)
Hysteresis......................................... 2 %