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PRODUCT DESCRIPTION
2-4
MIF Digital Feeder Protection
GEK-106273L
2.2.1.2. ANSI
CURVES
Response times for ANSI Curves are as follows:
Where:
CURVE NAME
A
B
C
D
E
Extremely
Inverse
0.0399 0.2294 0.5000 3.0094 0.7222
Very
Inverse
0.0615 0.7989 0.3400 -0.2840 4.0505
Inverse
0.0274 2.2614 0.3000 -4.1899 9.1272
M =Time Dial setting (set in the relay by user).
V = I / I
pickup setting
> 1.05
⎥
⎦
⎤
⎢
⎣
⎡
−
+
−
+
−
+
=
3
2
)
(
)
(
)
(
*
C
V
E
C
V
D
C
V
B
A
M
T
:
be
will
time
tripping
20.00,
V
1.05
For
trip.
a
not
but
,
signal
pickup
a
produce
will
unit
the
1.05,
V
1
For
<
≤
<
<
:
setting
the
times
20.00
for
as
same
the
be
will
time
tripping
the
V,
20.00
For
≤
⎥
⎦
⎤
⎢
⎣
⎡
−
+
−
+
−
+
=
3
2
)
20
(
)
20
(
)
20
(
*
C
E
C
D
C
B
A
M
T
Содержание GEK-106273L
Страница 19: ...GETTING STARTED 1 12 MIF Digital Feeder Protection GEK 106273L ...
Страница 95: ...SETTINGS 5 38 MIF Digital Feeder Protection GEK 106273L ...
Страница 101: ...I O CONFIGURATION 6 44 MIF Digital Feeder Protection GEK 106273L ...
Страница 127: ...KEYPAD AND DISPLAY 8 26 MIF Digital Feeder Protection GEK 106273L ...
Страница 147: ...INSTALLATION AND MAINTENANCE 10 2 MIF Digital Feeder Protection GEK 106273L ...
Страница 154: ...ANNEX 1 THERMAL IMAGE UNIT GEK 106273L MIF Digital Feeder Protection 11 7 Figure A 1 1 THERMAL CURVE FOR τ1 3 MINUTES ...
Страница 155: ...ANNEX 1 THERMAL IMAGE UNIT 11 8 MIF Digital Feeder Protection GEK 106273L Figure A 1 2 THERMAL CURVES FOR τ1 3 MIN ...
Страница 199: ...ANNEX 5 HARMONIC FILTERING 15 4 MIF Digital Feeder Protection GEK 106273L ...