Siemens SIPROTEC 7SJ80

1)
r = V
dropout
/V
pickup
Times
Pickup Times
Undervoltage 27-1, 27-2, 27-1 V
1
, 27-2 V
1
- Overvoltage 59-1, 59-2
- Overvoltage 59-1 V
1
, 59-2 V
1
, 59-1 V
2
, 59-2 V
2
approx. 50 ms
approx. 50 ms
approx. 60 ms
Dropout Times
- Undervoltage 27-1, 27-2, 27-1 V
1
, 27-2 V
1
- Overvoltage 59-1, 59-2
- Overvoltage 59-1 V
1
, 59-2 V
1
, 59-1 V
2
, 59-2 V
2
approx. 50 ms
approx. 50 ms
approx. 60 ms
Tolerances
Pickup Voltage Limits 3 % of setting value or 1 V
Delay times T 1 % of setting value or. 10 ms
Influencing Variables
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
4.8 Voltage Protection
382 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017