Siemens SIPROTEC 7SJ62 Manual page 487

Tolerances
Pickup/dropout thresholds I
Pickup time for 2 ≤ I/I
Dropout time for I/Ip ≤ 0.90
Influencing Variables for Pickup and Dropout
Power supply direct voltage in range 0.8 ≤ V
Temperature in range 23.00 °F (-5 °C) ≤ Θ
Frequency in range 0.95 ≤ f/f
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
Transient overreaction during fundamental harmonic measuring procedure for τ > 100 ms
(with full displacement)
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
, I 2% of setting value or 10 mA for I
p Ep
≤ 20
5 % of reference (calculated) value + 2 % current tolerance, respective-
p
ly 30 ms
5 % of reference (setpoint) value + 2 % or 30 ms
/V
PS PSNom
≤ 131.00 °F (55 °C)
amb
≤ 1.05
Nom
4.3 Inverse-Time Overcurrent Protection 51(N)
= 1 A, or 50 mA for I
N
≤ 1.15
Technical Data
= 5 A
N
1 %
0.5 %/10 K
1 %
1%
1%
<5 %
487