Siemens SIPROTEC 4 User Manual page 499

Multi-functional protective relay with local control 7sj62/64
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Functional Limits
Power measurement 3-phase
Power measurement 1-phase
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 df/dt for 1.25 times pickup value
Voltage change dV/dt for 2 times pickup value
Binary input
Dropout times:
Current, voltage (phase quantities)
Current, voltage (symmetrical components)
Power
typical
maximum
Power factor
Frequency
Frequency change
Voltage change
Binary input
Tolerances
Pickup thresholds:
Current
Current (symmetrical components)
Current (Ι
)
2
1
Voltage
Voltage (symmetrical components)
Voltage change dV/dt
SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
for Ι
= 1 A
With current system > 0.03 A
Nom
for Ι
= 5 A
With current system > 0.15 A
Nom
Phase current > 0.03 A
for Ι
= 1 A
Nom
for Ι
= 5 A
Phase current > 0.15 A
Nom
for Ι
= 1 A 0.5% of setting value or 10 mA
Nom
for Ι
= 5 A 0.5% setting value or 50 mA
Nom
= 1 A 1% of setting value or 20 mA
for Ι
Nom
for Ι
= 5 A 1% of setting value or 100 mA
Nom
4.23 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. 220 ms
approx. 20 ms
< 20 ms
< 30 ms
< 50 ms
< 350 ms
< 300 ms
< 100 ms
< 200 ms
< 220 ms
< 10 ms
1% of setting value
1% of setting value or 0.2 V
2% of setting value or 0.2 V
5 % of setting value or 2 V/s (7SJ62)
5 % of setting value or 1.5 V/s (7SJ64)
Technical Data
499

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