ABB ACS580 Series - Page 297

·
(430 V)
2
600 kVA
= 22.19 mohm
Z
k
= z
k
·
U
N
2
S
N
= 0.072
m
·
0.398
ohm
km
= 67.66 mohm
R
c
= 170
m
·
0.082
ohm
km
= 13.94 mohm
X
c
= 170
=
410 V
2 ·
(67.66 mohm)
2
+ (22.19 mohm + 13.94 mohm)
2
I
k2-ph
= 2.7 kA
The calculated short-circuit current 2.7 kA is higher than the minimum short-circuit
current of the drive aR fuse type 170M3016 (1000 A). -> The 690 V aR fuse (Bussmann
170M3016) can be used.
Technical data 297