
Technical Data
4.8 Negative Sequence Protection 46-TOC
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
337
Dropout Value
Tolerances
Influencing Variables for Pickup Values
IEC and ANSI (without Disk Emulation) Approx. 1.05 ·
I
2p
setting value, which is approx. 0.95 · pickup
threshold
I
2
ANSI with Disk Emulation
Approx. 0.90 ·
I
2p
setting value
Pickup threshold
I
2p
Time for
I
2
/
I
2p
≤
0.90
2 % of set value or 10 mA for
I
Nom
= 1 A
or 50 mA for
I
Nom
= 5 A
5 % of reference (calculated) value + 2 % current tolerance,
respectively 30 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 0.95
≤
f/f
Nom
≤
1.05
1 %
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %
Transient overreaction for
τ
> 100 ms (with full displacement)
<5 %
Содержание SIPROTEC 7SJ61
Страница 368: ...Technical Data 4 22 Dimensions SIPROTEC 7SJ61 Manual C53000 G1140 C210 1 Release date 02 2008 368 ...
Страница 436: ...Appendix A 11 Measured Values SIPROTEC 7SJ61 Manual C53000 G1140 C210 1 Release date 02 2008 436 ...
Страница 438: ...Literature SIPROTEC 7SJ61 Manual C53000 G1140 C210 1 Release date 02 2008 438 ...
Страница 450: ...Glossary SIPROTEC 7SJ61 Manual C53000 G1140 C210 1 Release date 02 2008 450 ...
Страница 454: ...Index SIPROTEC 7SJ61 Manual C53000 G1140 C210 1 Release date 02 2008 454 ...