ABB 615 series Technical Manual page 315

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1MAC059074-MB A
615 series ANSI
Technical Manual
t/s
4000
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2000
x
1000
500
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300
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5
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1.05
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GUID-B6F9E655-4FFC-4B06-841A-68DADE785BF2 V1 EN
Figure 147:
The influence of Weighting factor p at prior load 1xFLC, timeconstant =
640 s, and Overload factor = 1.05
Setting the overload factor
The value of Overload factor defines the highest permissible continuous load. The
recommended value is 1.05.
Cold
curve
20
50
75
p
[%]
100
6
8
10
I/I
q
Section 4
Protection functions
309

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