18
Appendix 2
Trip characteristic
diagrams for the
thermal unit
cold.fh4
t/s
1000
100
500
200
50
10
20
5
1
2
3
4
30
40
300
400
2000
3000
4000
t
6x
[s]
120
60
30
20
15
10
5
2.5
1.05
1
2
3
4
5
10
6
8
I/I
θ
100
200
50
10
20
5
1
2
3
4
30
40
1
2
3
4
5
10
6
8
I/I
θ
1.05
t
6x
[s]
120
60
30
20
15
10
5
2.5
t/s
1000
500
300
400
2000
3000
4000
20hot.fh4
Trip diagram for a cold condition, i.e. with-
out prior load. The cold curve is independ-
ent of the setting of the p-value
Trip diagram for a hot condition, i.e. with a
prior load 1.0 x I
θ
and weighting factor p set
at 20%
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