Siemens 7SC80 - Page 533

Delay time T V0>, T V0>>
time multiplier V0p
0.00 s to 3600.00 s or
∞ (disabled)
0.1 to 140.0 or
∞ (disabled)
Increments 0.01 s
Increments 1
Dropout delay V0p 0.00 s to 60.00 s Increments 1 s
1)
r = V
dropout
/V
pickup
Times
Pickup times
- Undervoltage 27-1, 27-2, 27-1V
1
, 27-2V
1
- Overvoltage 59-1, 59-2
- Overvoltage 59-1V
1
, 59-2 V
1
- Undervoltage phase x 27-1, phase x 27-2
- Overvoltage phase x 59-1, phase x 59-2
- Displacement voltage V0>, V0>>
- Displacement voltage V0p
approx. 50 ms
approx. 50 ms
approx. 60 ms
Dropout times
- Undervoltage 27-1, 27-2, 27-1V
1
<, 27-2V
1
- Overvoltage 59-1, 59-2
- Overvoltage 59-1 V
1
, 59-2V
1
- Undervoltage phase x 27-1, phase x 27-2
- Overvoltage phase x 59-1, phase x 59-2
- Displacement voltage V0>, V0>>
- Displacement voltage V0p
approx. 50 ms
approx. 50 ms
approx. 60 ms
Tolerances
Voltage limit values
Voltage limit value displacement voltage
(measuring range 0 V to 300 V)
3 % of setting value, or 1 V
2 % of setting value
Delay times T 1 % of setting value, or 10 ms
Influencing Variables for Pickup and Dropout Values
Auxiliary direct voltage in the range of 0.8 ≤ V
PS
/V
PSNom
≤ 1.15 1 %
Temperature in the range of 23.00 °F (-5 °C) ≤ Θ
amb
≤ 131.00 °F (55 °C) 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 %
Frequencies outside the range of 0.95 ≤ f/f
Nom
≤ 1.05 increased tolerances
Harmonics
- up to 10 % 3. harmonic
- up to 10 % 5. harmonic
1 %
1 %
Technical Data
4.8 Voltage Protection 27, 59
SIPROTEC Compact, 7SC80, Manual 533
E50417-G1140-C486-A8, Edition 07.2017