Basler Electric BE1-11t - Manual (Page 114)

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Operational Settings
Neutral current differential element operational settings are configured on the Neutral Current Differential
(87N) settings screen (Figure 67) in BESTCOMSPlus. Setting ranges and defaults are summarized in
Table 37.
Figure 67. Neutral Current Differential Settings Screen
Table 37. Operational Settings
Setting Range Increment Unit of Measure Default
Mode Disabled or Enabled n/a n/a Disabled
Iop Minimum
0 or 0.1 to 5 (5A CTs)
0 or 0.02 to 1 (1A CTs)
0.01 amps 0
Time Delay 0 to 60,000 varies milliseconds 0
Overcorrection Coefficient 1 to 1.3 0.01 units 1.10
CT Flip Yes or No n/a n/a Yes
CT Source CT1, IG1 or CT2, IG2 n/a n/a CT1, IG1
Transient Delay Time 0 to 10,000 varies milliseconds 0
Neutral Current Differential (87N) Protection BE1-11t