37 - instantaneous undercurrent protection, 46 - negative-sequence current protection, 47 - negative-sequence voltage protection – Basler Electric BE1-11m User Manual

Page 449: 48 - incomplete sequence protection

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9424200996 Rev L

437

37 - Instantaneous Undercurrent Protection

Pickup
5 Ampere CT Setting Range ..................................... 0.5 to 100 A
1 Ampere CT Setting Range ..................................... 0.1 to 20 A
Reset ......................................................................... 101-107% of the actual pickup value

Accuracy

5 Ampere CT .............................................................

±2% or ±50 mA, whichever is greater

1 Ampere CT .............................................................

±2% or ±10 mA, whichever is greater

Inhibit Level
5 Ampere CT Setting Range ..................................... 0.5 to 100 A
1 Ampere CT Setting Range ..................................... 0.1 to 20 A
Reset ......................................................................... 101-107% of the actual pickup value

Accuracy

5 Ampere CT .............................................................

±2% or ±50 mA, whichever is greater

1 Ampere CT .............................................................

±2% or ±10 mA, whichever is greater

Time Delay
Setting Range ........................................................... 0 to 60,000 ms
Accuracy....................................................................

±0.5% or ±½ cycle, whichever is greater

40Q - Loss of Excitation Protection - Reverse var Based

Pickup
5 Ampere CT Setting Range ..................................... 1 to 6,000 var
1 Ampere CT Setting Range ..................................... 1 to 1,200 var
Accuracy....................................................................

±3% or ±2 var, whichever is greater

Dropout ...................................................................... 93 to 99% of the actual pickup value

Time Delay
Setting Range ........................................................... 1 to 600,000 ms
Accuracy....................................................................

±0.5 or ±2 cycles, whichever is greater

46 - Negative-Sequence Current Protection

Negative-sequence current protection is available when a 50 or 51 element is configured in I2 mode.
Refer to Instantaneous Overcurrent or Inverse Overcurrent for operational specifications.

47 - Negative-Sequence Voltage Protection

Negative-sequence voltage protection is available when a 59X element is configured in V2 mode. Refer to
Auxiliary Overvoltage for operational specifications.

48 - Incomplete Sequence Protection

Time Interval Range .................................................. 0 to 7,200 s
Accuracy....................................................................

±0.5% or ±2 cycles, whichever is greater

49RTD - Resistance Temperature Device Protection (Optional)

Pickup

Setting Range ........................................................... 0 to 250

°

C (32 to 482

°

F)

Accuracy....................................................................

±2% or ±2

°

C (

±3.6

°

F), whichever is greater

Reset/Pickup Ratio .................................................... 105% / 95%

±1% (over / under) or 5

°

C minimum

BE1-11m

Specifications

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