Negative Sequence Protection 46-1, 46-2 - Siemens siprotec SJ62 User Manual

4.9

Negative Sequence Protection 46-1, 46-2

Setting Ranges / Increments
Functional Limit
Times
Dropout Ratio
Tolerances
Influencing Variables for Pickup Values
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
Unbalanced load tripping
element 46-1,46-2
Delay Times 46-1, 46-2
Dropout Delay Times 46 T DROP-OUT
Functional Limit
Pickup Times
Dropout Times
Characteristic 46-1, 46-2
Pickup values 46-1, 46-2
Time Delays
Power Supply DC Voltage in Range
0,8 ≤ V ≤ 1.15
/V
PS PSNom
Temperature in Range
23 °F (–5 °C) ≤ Θ ≤ 131 °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)
4.9 Negative Sequence Protection 46-1, 46-2
0.10 A to 3.00 A or ∞ (disabled) Increments 0.01 A
for I =
Nom
1 A
0.50 A to 15.00 A or ∞ (dis-
for I =
Nom
5 A abled)
0.00 s to 60.00 s or ∞ (disabled) Increments 0.01 s
0.00 s to 60.00 s
All phase currents ≤ 4 A
for I =
Nom
1 A
All phase currents ≤ 20 A
for I =
Nom
5 A
Approx. 35 ms
Approx. 35 ms
Approx. 0.95 for I
3 % of set value or 10 mA for I
50 mA for I
Nom
1 % or 10 ms
1 %
0.5 %/10 K
≤ 1.05 1 %
Nom
1 %
1 %
<5 %
Increments 0.01 s
≥ 0.3
/I
2 Nom
= 1 A or
Nom
= 5 A
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