I2>-Protection Module – Unbalanced Load Protection [ANSI 46]
Parameter
Description
Setting range
Default
Menu path
Char
Characteristic
DEFT,
INV
DEFT
[Protection Para
/<n>
/I-Prot
/I2>[1]]
t
Tripping delay
Only available if:
Characteristic =
DEFT
0.00 - 300.00s
0.00s
[Protection Para
/<n>
/I-Prot
/I2>[1]]
K
Indicates the thermal
load capability of the
engine while running
with 100%
unbalanced load
current.
Only available if:
Characteristic =
INV
1.0 - 200.0
10.0
[Protection Para
/<n>
/I-Prot
/I2>[1]]
τ-cool
If the unbalanced
load current falls
below the pick-up
value, the cooling-off
time is taken into
account. If the
unbalanced load
exceeds the pick-up
value again, than the
saved heat within the
electrical equipment
will lead to an
accelerated trip.
Only available if:
Characteristic =
INV
0.0 - 60000.0
0.0
[Protection Para
/<n>
/I-Prot
/I2>[1]]
EN MRA4 04/09
Page 327
Summary of Contents for SEG HighPROTEC MRA4
Page 1: ...MRA4 HighPROTEC Feeder Protection Device Manual DOK HB MRA4E...
Page 3: ...Order Code EN MRA4 04 09 Page 3...
Page 59: ...Navigation Operation Navigation Operation EN MRA4 04 09 Page 59 1 4 2 3 5 7 6 8 9...
Page 378: ...PQS Power Protection Module ANSI 32 37 Page 378 EN MRA4 04 09 P P Q P Q P Q Q Q P S S...
Page 379: ...PQS Power Protection Module ANSI 32 37 EN MRA4 04 09 Page 379 Pr Q P Q P Qr...