Siemens SIPROTEC 7RW80 - Page 186

Technical Data
4.2 Voltage Protection (27, 59)
SIPROTEC, 7RW80, Manual
C53000-G1140-C233-1, Release date 10.2010
186
Times
Tolerances
Influencing Variables
Pickup times
- Undervoltage 27-1 (V<), 27-2 (V<<), 27-1 V
1
<, 27-2 V
1
<<, 27-
Vp<
- Overvoltage 59-1 (V>), 59-2 (V>>), 59-Vp>
- Overvoltage 59-1V
1
, 59-2V
1
, 59-1V
2
, 59-2V
2
, 59-1Vp V1, 59-
1Vp V2
approx. 50 ms
approx. 50 ms
approx. 60 ms
Dropout Times
- Undervoltage 27-1 (V<), 27-2 (V<<), 27-1 V
1
, 27-2 V
1
, 27-Vp<
- Overvoltage 59-1 (V>), 59-2 (V>>), 59-Vp>
- Overvoltage 59-1V
1
, 59-2V
1
, 59-1V
2
, 59-2V
2
, 59-1Vp V1, 59-
1Vp V2
approx. 50 ms
approx. 50 ms
approx. 60 ms
Pickup Voltage Limits 3 % of setting value or 1 V
Delay times T 1 % of setting value or 10 ms
Power supply direct voltage in range 0.8 ≤ V
Aux
/V
AuxNom
≤ 1.15 1 %
Temperature in the Range 23.00 °F (–5 °C) ≤ Θ
amb
≤ 131.00
°F (55 °C)
0.5 %/10 K
Frequency in range of 25 Hz – 70 Hz
Frequency in the range of 0.95 ≤ f/f
Nom
≤ 1.05 (f
Nom
= 50 Hz or
60 Hz)
1%
Frequency in Range 0.95 ≤ f/f
Nom
≤ 1.05 Increased Tolerances
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1%
1%