Danfoss VLT AQUA Drive FC 202 Design Manual page 178

Electrical Installation Con...
These values are true to steady state operation and at RMS input voltage range of the drive V
braking mode, the intermediate DC-link voltage increases by 20%. This effect is similar to increasing the mains voltage by
20%. Consider this voltage increase when performing motor insulation analysis for braking applications.
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0
1 Unshielded cable with no filter
2 Shielded cable with no filter
3 Unshielded cable with dU/dt filter
4 Shielded cable with dU/dt filter
10 10
Figure 10.17 dU/dt at Motor Terminals for Enclosures E1h/E3h,
380–480 V
176
1
2
3
4
100 200
(328) (656)
Motor cable length, m (ft)
®
VLT AQUA Drive FC 202
300
(984)
1
2
3
4
Figure 10.18 Peak Voltages at Motor Terminals for Enclosures
E1h/E3h, 380–480 V
Danfoss A/S © 01/2018 All rights reserved.
. When the drive operates in
line
1
3.00
2.50
2.00
2 3
1.50
1.00
0.50
0
100
(328)
Motor cable length, m (ft)
Unshielded cable with dU/dt filter
Shielded cable with dU/dt filter
Shielded cable with no filter
Unshielded cable with no filter
4
200 300
(656) (984)
MG22B222