Table 4-2. examples of suitable slope settings – Basler Electric BE1-87T User Manual
Page 83
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9171300990 Rev V
BE1-87T Installation
4-41
)
42
.
2
(
4
23
)
3
6
.
10
(
35
3
−
+
+
=
S
= 38.8
Because the maximum saturation factor S
F
for this example is less than 0.5 (from Step 16), use
the next highest slope. Select position
F which = 40%.
For examples of suitable slope settings, see Table 4-2.
Table 4-2. Examples of Suitable Slope Settings
Maximum
Mismatch in %
(M
T
)
Current Rating of Power
Transformer in
Multiples of TAP (I
T
)
Recommended Minimum
RESTRAINED PICKUP
LEVEL Setting* (Slope)
2.5
1.5
15
2.5
2
20
5
2
25
10
1.5
30
12.5
1.5
35
15
1.5
40
15
2
45
15
2.5
50
20
1.5
55
20
2
60
* S
F
=V
B
/V
CE
If S
F
>0.5, set the RESTRAINED PICKUP LEVEL setting (slope) to S=60%.
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