Thytronic XMR-D - Page 136

136
FUNCTION CHARACTERISTICS
F_46G-I2t005-Char.ai
210.1 0.2 0.3 0.50.01 0.02 0.03 0.05 3 4 5 10 10020 30 50
I
2
/I
B
0.01
0.1
1
10
100
1000
10000
t [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
K
heat
= 40.0 s
t
2MAX
= 500 s
I
2>>
= 0.05 I
B
t
2MIN
= 0.07 s
Operating characteristic concerning the negative sequence element (46G) - with following settings>
- Trip threshold: I
2
>> = 0.05 I
B
- Minimum operating time: t
2
MIN
= 0.07 s
- Maximum operating time: t
2
MAX
= 500 s
- Heating time constant: K
heat
= 0.1...40.0 s
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021