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I-Protection Module – Overcurrent Protection [ANSI 50, 51, 67]
Parameter
Description
ExBlo TripCmd Fc
I>
Setting range
Default
Menu path
Activate (allow) or
inactive,
inactivate (disallow)
active
blocking of the
module/stage. This
parameter is only
effective if a signal is
assigned to the
corresponding global
protection
parameter. If the
signal becomes true,
those
modules/stages are
blocked that are
parameterized
"ExBlo TripCmd
Fc=active".
inactive
[Protection Para
If the pick-up value is 0.01 - 40.00*In
exceeded, the
module/stage will be
started.
I[1]: 1*In
[Protection Para
I[2]: 0.01*In
/<n>
I[3]: 0.01*In
/I-Prot
I[4]: 0.01*In
/I[1]]
/<n>
/I-Prot
/I[1]]
I[5]: 0.01*In
I[6]: 0.01*In
Char
Characteristic
DEFT,
DEFT
[Protection Para
NINV,
/<n>
VINV,
/I-Prot
EINV,
/I[1]]
LINV
t
Tripping delay
0.00 - 300.00*s
Only available if:
Characteristic =
DEFT
I[1]: 1*s
[Protection Para
I[2]: 0.00*s
/<n>
I[3]: 0.00*s
/I-Prot
I[4]: 0.00*s
/I[1]]
I[5]: 0.00*s
I[6]: 0.00*s
t-char
Time
multiplier/tripping
characteristic factor
0.05 - 2.00
1
/<n>
/I-Prot
Only available if:
Characteristic =
INV
t-reset
Reset time for
intermittent phase
failures (INV
characteristics only)
Only available if:
Characteristic =
INV
Page 232
[Protection Para
/I[1]]
0.00 - 60.00*s
1.00*s
[Protection Para
/<n>
/I-Prot
/I[1]]
MRA4 02.08 UK