Siemens 7SC80 Manual page 559

Ratio Ι /Ι measurement
2 1
Times
Pickup times:
Current, voltage (phase quantities)
- 2 times pickup value
- 10 times pickup value
Current, voltage (symmetrical components)
- 2 times pickup value
- 10 times pickup value
Power
typical
maximum (small signals and thresholds)
Power factor
Frequency
Frequency change for 1.25 times the setting value
Binary input
Binary input
Dropout times:
Phase quantities:
Current
Voltage
Symmetrical components:
Current
Voltage
Power
typical
maximum
Power factor
Power factor
Frequency change
Binary input
Tolerances
Pickup thresholds:
Current
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
Positive-sequence current or negative-sequence
for Ι = 1 A
Nom
current > 0.1 A
for Ι = 5 A Positive-sequence current or negative-sequence
Nom
current > 0.5 A
current
current
Load
Load
Load
for Ι = 1
Nom
A
for Ι = 5
Nom
A
4.20 Flexible Protection Functions
approx. 30 ms
approx. 20 ms
approx. 40 ms
approx. 30 ms
approx. 120 ms
approx. 350 ms
300 to 600 ms
approx. 100 ms
approx. 220 ms
approx. 20 ms
approx. 15 ms
approx. 50 ms
approx. 60 ms
approx. 60 ms
approx. 160 ms
< 20 ms
< 40 ms
< 30 ms
< 50 ms
< 50 ms
< 350 ms
< 300 ms
< 100 ms
< 200 ms
< 10 ms
3% of setting value or 15 mA
3% of setting value or 75 mA
Technical Data
559