ABB ACS880-11, Руководство по оборудованию

Страница: 174 / 232

Supply transformer minimum apparent power Sn (kVA) Cable type ACS880-
11-…
Maximum cable length with
aR fuses
Maximum cable length with
gG fuses
Alumin-
um
Copper
200 m 100 m 10 m 100 m 50 m 10 m mm2 mm2
U
n = 400 V
5.0 3.4 3.1 8.4 6.2 5.8 - 3×1.5 09A4-3
5.0 3.4 3.1 8.4 6.2 5.8 - 3×1.5 12A6-3
6.2 5.9 5.8 10 9.8 9.6 - 3×6 017A-3
6.2 5.9 5.8 13 12 12 - 3×6 025A-3
8.7 8.3 8.2 18 17 17 - 3×10 032A-3
8.7 8.3 8.2 21 20 19 - 3×10 038A-3
15 14 13 26 24 24 3×25 3×16 045A-3
20 19 18 42 39 39 3×25 3×25 061A-3
25 24 23 52 49 48 3×35 3×35 072A-3
38 35 34 52 49 48 3×50 3×35 087A-3
U
n = 500 V
5.0 4.1 3.9 8.9 7.5 7.2 - 3×1.5 07A6-5
5.0 4.1 3.9 8.9 7.5 7.2 - 3×1.5 11A0-5
7.6 7.3 7.2 12 12 12 - 3×6 014A-5
7.6 7.3 7.2 16 15 15 - 3×6 021A-5
11 10 10 22 21 21 - 3×10 027A-5
11 10 10 25 24 24 - 3×10 034A-5
18 17 17 31 30 30 3×35 3×16 040A-5
19 18 18 51 49 48 3×35 3×25 052A-5
30 29 29 63 61 60 3×50 3×35 065A-5
46 43 42 63 61 60 3×70 3×35 077A-5
￭
Calculating the short-circuit current of the installation
Check that the short-circuit current of the installation is at least the value given in the
fuse table.
The short-circuit current of the installation can be calculated as follows:
I
k2-ph
=
2 · R
c
2
+ ( Z
k
+ X
c
)
2
U
where
Short-circuit current in symmetrical two-phase short-circuit I
k2-ph
Network line-to-line voltage (V) U
174 Technical data