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FUNCTION CHARACTERISTICS
109
NVA100X-D - Manual - 02 - 2016
F_46G-I2t05-Char.ai
2
1
0.1
0.2
0.3
0.5
0.01
0.02 0.03
0.05
3
4 5
10
100
20
30
50
I
2
/
I
B
0.01
0.1
1
10
100
1000
10000
t
[s]
K
heat
= 40.0 s
K
heat
= 0.1 s
K
heat
= 0.5 s
K
heat
= 1.0 s
K
heat
= 5.0 s
K
heat
= 10.0 s
Operating characteristic concerning the negative sequence element (46G) - with following settings>
- Trip threshold:
I
2
>> = 0.50
I
B
- Minimum operating time:
t
2
MIN
= 100 s
- Heating time constant:
K
heat
= 0.1...40.0 s
The maximum operating time is unmeaningful
I
2>>
= 0.50
I
B
t
2MIN
= 100 s