Eaton EDR 3000 Installation, Operation And Maintenance Manual page 566

Setting Group Parameters of the BF
Parameter Description
Function Permanent activation or deactivation of module/element. Inactive,
ExBlo Fc Activate (allow) or inactivate (disallow) blocking of the
module/element. This parameter is only effective if a
signal is assigned to the corresponding global protection
parameter. If the signal becomes true, those
modules/elements are blocked that are parameterized
"ExBlo Fc=active".
I-BF > Current level that needs to exist after Trip Command has
been given.
Only available if: Scheme50BF = Or Scheme = 50BF and
CB Pos
t-BF If the delay time is expired, an BF alarm is given out.
In order to prevent a faulty activation of the BF Module, the pickup (alarm) time
must be greater than the sum of:
Operating time of the protective relay
+The close-open time of the breaker (please refer to the technical data of
the manufacturer of the breaker);
+Drop off time (current- or position indicators)
+Security margin.
EDR-3000
Setting range
Active
Inactive,
Active
0.02 - 4.00In
0.00 - 10.00s
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IM02602003E
Default Menu path
Inactive [Protection Para
/<1..4>
/Supervision
/BF]
Inactive [Protection Para
/<1..4>
/Supervision
/BF]
0.02In [Protection Para
/<1..4>
/Supervision
/BF]
0.20s [Protection Para
/<1..4>
/Supervision
/BF]
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