Siemens SIPROTEC 7SJ80

Voltage change dV/dt 5 % of setting value or 2 V/s
Power
for Ι
Nom
= 1 A
3% of setting value or 0,5 W
for Ι
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
Influencing Variables for Pickup Values
Auxiliary DC voltage in range 0.8 ≤ V
Aux
/V
AuxNom
≤ 1,15 1 %
Temperature in range –5 °C (23 °F) ≤ Θ
amb
≤ 55 °C (131 °F) 0.5 %/10 K
Frequency in the range of 25 Hz to 70 Hz
Frequency in the range of 0.95 ≤ f/f
Nom
≤ 1.05 (f
Nom
= 50 Hz or 60 Hz) 1 %
Frequency outside range 0.95 ≤ f/f
Nom
≤ 1.05 Increased tolerances
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %
Technical Data
4.20 Flexible Protection Functions
408 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017