Siemens SIPROTEC 7SJ61, Руководство пользователя, Страница: 354 / 454

Technical Data
4.17 Flexible Protection Functions
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
354
Tolerances
Influencing Variables for Pickup Values
Pickup thresholds:
Current for
I
Nom
= 1 A 1% of setting value or 10 mA
for
I
Nom
= 5 A 1% of setting value or 50 mA
Current (symmetrical components) for
I
Nom
= 1 A 2% of setting value or 20 mA
for
I
Nom
= 5 A 2% of setting value or 100 mA
Current
I
2
/
I
1
2% of setting value
Times 1% of set value or 10 ms
Power supply direct voltage in range 0.8
≤
V
PS
/V
PSNom
≤
1.15 1 %
Temperature in range 23.00 °F (-5 °C)
≤ Θ
amb
≤
131.00 °F (55 °C) 0.5 %/10 K
Frequency in range f
Nom
±
5 Hz 1 %
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %