
Rev. 07
39/138
4.16. IEEE Curves
The IEEE curves follow the following mathematical equation:
( )
+
−
=
B
V
A
TD
t
P
1
Where:
adjusted
I
I
V
=
And we have the following curves:
•
Inverse Curve
•
Very Inverse Curve
•
Extremely Inverse Curve
Which relate to the parameters figuring in the following Setting group:
Parameters
A
P
B
Ext. Inverse
28,2
2
0,1217
Very Inverse
19,61
2
0,491
Inverse
0,0515
0,02
0,114
The curve can move from its axis using the TD time selection device, which the user can adjust.
I
adjusted
is the initial operating current, set by the user.
Содержание SIA-B Series
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