Basler Electric BE1-11g - Manual (Page 573)

9424200994 Rev N 561
* Recognition time = 2 cycles for 0.57 > pickup, 4 cycles for 0.24 > pickup, 8 cycles for 0.08 > pickup, 16
cycles at pickup
O/U/ROC Voltage Inhibit
Setting Range ........................................................... 15 to 250 V
Accuracy....................................................................
±2% or ±1 V, whichever is greater
87 - Phase Current Differential Protection (Optional)
Restrained Differential
5 Ampere CT Pickup Accuracy .................................
±4% or ±75 mA, whichever is greater
1 Ampere CT Pickup Accuracy .................................
±4% or ±25 mA, whichever is greater
Response Time ......................................................... <2 cycles at 5 times pickup
<3 cycles at 1.5 times pickup
TAP
5 Ampere CT Setting Range ..................................... 2.00 to 20.0 A
1 Ampere CT Setting Range ..................................... 0.40 to 4.00 A
Minimum Restraint Pickup (I
op
)
Setting Range ........................................................... 0.1 to 1.00 per unit
2 nd Slope Pickup (I
res
)
Setting Range ........................................................... 0.1 to 20.0 per unit
Restraint Slope 1
Setting Range ........................................................... 5 to 100%
Restraint Slope 2
Setting Range ........................................................... 15 to 140%
Time Delay
Setting Range ........................................................... 0 to 60,000 ms
Accuracy....................................................................
±0.5% or ±½ cycle, whichever is greater, plus trip
time for instantaneous response (0.0 setting)
*
* Trip Time for 0.0 Delay Setting .............................. 1¼ cycles maximum for currents ≥ 5 times the pickup
setting. 1¾ cycles maximum for a current of 2
times pickup. Two cycles maximum for a current
of 1.05 times the pickup setting.
87N - Neutral Current Differential Protection
Iop Minimum Pickup
5 Ampere CT
Setting Range ........................................................... 0.1 to 5 A
Accuracy....................................................................
±3% or ±75 mA, whichever is greater
1 Ampere CT
Setting Range ........................................................... 0.02 to 1 A
Accuracy.................................................................... 5 A CT:
±3% or ±15 mA, whichever
Overcorrection Coefficient
Setting Range ........................................................... 1 to 1.3
BE1-11g Specifications