Table of Contents
Advertisement
Relationship Ι
/Ι
2
Times
Pickup times:
Current, voltage (phase quantities)
for 2 times the setting value
for 10 times the setting value
Current, voltage (symmetrical components)
for 2 times the setting value
for 10 times the setting value
Power
typical
maximum (small signals and threshold values)
Power factor
Frequency
Frequency change for 1.25 times the setting value
Voltage change dV/dt for 2 times the setting value
Binary input
Dropout times:
Current, voltage (phase quantities)
Current, voltage (symmetrical components)
Power
typical
maximum
Power factor
Frequency
Frequency change
Binary input
Tolerances
Pickup thresholds:
Current
Current (symmetrical components)
Current (Ι
/Ι
)
2
1
Voltage
Voltage (symmetrical components)
Voltage change dV/dt
Power
Power factor
Frequency
Frequency change
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
measurement
for Ι
1
for Ι
Positive or negative sequence system current > 0.1 A
= 1 A
Nom
= 5 A
Positive or negative sequence system current > 0.5 A
Nom
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. 220 ms
approx. 20 ms
< 20 ms
< 30 ms
< 50 ms
< 350 ms
< 300 ms
< 100 ms
< 200 ms
< 10 ms
3% of setting value or 15 mA
for Ι
= 1 A
Nom
for Ι
= 5 A
3% of setting value or 75 mA
Nom
4% of setting value or 20 mA
for Ι
= 1 A
Nom
for Ι
= 5 A
4% of setting value or 100 mA
Nom
4% of setting value
3% of setting value or 0,2 V
4% of setting value or 0,2 V
5 % of setting value or 2 V/s
for Ι
= 1 A
3% of setting value or 0,5 W
Nom
for Ι
= 5 A
3% of setting value or 2,5 W
Nom
3°
15 mHz
5% of setting value or 0,05 Hz/s
Technical Data
4.16 Flexible Protection Functions
287
Advertisement
Table of Contents
