Basler Electric BE1-11g - Manual (Page 132)

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Operational Settings
Neutral current differential element operational settings are configured on the Neutral Current Differential
(87N) settings screen (Figure 75) in BESTCOMSPlus. Setting ranges and defaults are summarized in
Table 43.
Figure 75. Neutral Current Differential Settings Screen
Table 43. 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 BE1-11g