Technical Data
4.16 Flexible Protection Functions
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
322
Times
Tolerances
Pickup times:
Current, voltage (phase quantities)
for 2 times the setting value
for 10 times the setting value
approx. 30 ms
approx. 20 ms
Current, voltage (symmetrical components)
for 2 times the setting value
for 10 times the setting value
approx. 40 ms
approx. 30 ms
Power
typical
maximum (small signals and threshold values)
approx. 120 ms
approx. 350 ms
Power factor
300 to 600 ms
Frequency
approx. 100 ms
Frequency change for 1.25 times the setting value
approx. 220 ms
Binary input
approx. 20 ms
Dropout times:
Current, voltage (phase quantities)
< 20 ms
Current, voltage (symmetrical components)
< 30 ms
Power
typical
maximum
< 50 ms
< 350 ms
Power factor
< 300 ms
Frequency
< 100 ms
Frequency change
< 200 ms
Binary input
< 10 ms
Pickup thresholds:
Current
for
I
Nom
= 1 A
3% of setting value or 15 mA
for
I
Nom
= 5 A
3% of setting value or 75 mA
Current (symmetrical components)
for
I
Nom
= 1 A
4% of setting value or 20 mA
for
I
Nom
= 5 A
4% of setting value or 100 mA
Current (
I
2
/
I
1
)
4% of setting value
Voltage
3% of setting value or 0.2 V
Voltage (symmetrical components)
4% of setting value or 0.2 V
Power
for
I
Nom
= 1 A
3% of setting value or 0.5 W
for
I
Nom
= 5 A
3% of setting value or 2.5 W
Power factor
3°
Frequency
15 MHz
Frequency change
5% of setting value or 0.05 Hz/s
Times
1% of setting value or 10 ms