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2.2.1.4.
USER CURVE
<
<
For
1
V
1.05,
the
unit
≤
<
For
1.05
V
20.00,
tripping
≤
For
20.00
V,
the
tripping
Response times for User Curve are as follows:
Where:
PARAMETERS
Range
Step
Unit
Default value
D
=
V
=
I
=
T
=
A, P, Q, B, K
=
The settings available for the phase time overcurrent unit allows to: enable/disable the unit; set the pickup value
(between 0.1 - 2.4 times the rated current in case of 1/5 A ground, or 0.005-0.12 A in case of sensitive ground) and
set the current/time operating characteristic (type and time dial).
Note: The relay will use either IEC or ANSI curves, depending on the model.
2-6
PRODUCT DESCRIPTION
will
produce
a
pickup,
but
time
will
be
:
A
*
D
=
T
−
P
V
Q
time
will
be
the
same
as
A
*
D
=
T
−
P
20
Q
A
0 - 125
0.001
Sec.
0.05
Time Dial setting (set in the relay by user).
I / I
> 1.05
pickup setting
Input Current
Operate Time (sec)
Constants defined in the standard, as follows:
MIF Digital Feeder Protection
not
a
trip.
+
+
B
*
D
K
for
20.00
times
the
setting
+
+
B
*
D
K
B
0-3
0.001
0.001
Sec.
0
:
P
Q
0-3
0-2
0.001
NA
NA
0.04
1
K
0-1.999
0.001
Sec.
0
GEK-106273L
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