Negative Sequence Protection 46-Toc - Siemens SIPROTEC 7SJ62 Manual

Technical Data

4.10 Negative Sequence Protection 46-TOC

4.10 Negative Sequence Protection 46-TOC
Setting Ranges / Increments
Pickup value 46-TOC (I
Time Multiplier T
Time Multiplier D
Functional Limit
Functional Limit
Trip Time Curves acc. to IEC
See also Figure 4-7
The trip times for I
Pickup Threshold
500
) for I = 1 A 0.10 A to 2.00 A
2p Nom
for I = 5 A 0.50 A to 10.00 A
Nom
(IEC)
I2p
(ANSI)
I2p
= 1 A all phase currents ≤ 10 A
for I
Nom
= 5 A all phase currents ≤ 50 A
for I
Nom
≥ 20 are identical to those for I
/I
2 2p
0.05 s to 3.20 s or ∞ (disabled)
0.50 s to 15.00 s or ∞ (disabled)
/I = 20.
2 2p
Approx. 1.10· I
2p
C53000-G1140-C207-2, Release date 01.2008
Increments 0.01 A
Increments 0.01 s
Increments 0.01 s
SIPROTEC, 7SJ62/64, Manual