Siemens siprotec SJ62 User Manual page 470

Influencing Variables for Pickup and Dropout
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
Power supply direct voltage in range 0.8 ≤
≤ 1.15
V /V
PS PSNom
Temperature in range
23.00 °F (–5 °C) ≤ Θ ≤ 131.00 °F (55 °C)
amb
Frequency in Range 0.95 ≤ f/f
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
Transient overreach for τ > 100 ms (with complete
asymmetry)
4.3 Inverse Time Overcurrent Protection 51, 51N
1 %
0.5 %/10 K
≤ 1.05
1 %
Nom
1%
1%
<5 %
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