Danfoss VLT AQUA Drive Design Manual page 59

®
VLT AQUA Drive Design Guide
1. Rise time increases/decreases proportionally with cable length.
2. U = DC link voltage x 1.9
PEAK
(DC link voltage = Mains voltage x 1.35).
/
U PEAK
0.8 ×
3.
dU dt
=
Risetime
Data are measured according to IEC 60034-17.
Cable lengths are in metres.
FC 202, P7K5T2
Cable
length [m]
5
50
100
150
FC 202, P11KT2
Cable
length [m]
36
136
150
FC 202, P15KT2
Cable
length [m]
30
100
150
FC 202, P18KT2
Cable
length [m]
36
136
150
FC 202, P22KT2
Cable
length [m]
36
136
150
FC 202, P30KT2
Cable
length [m]
15
50
150
Mains Rise time
voltage [V] [μsec]
230 0.13
230 0.23
230 0.54
230 0.66
Mains
voltage [V] Rise time [μsec]
240 0.264
240 0.536
240 0.568
Mains Rise time
voltage [V] [μsec]
240 0.556
240 0.592
240 0.708
Mains Rise time
voltage [V] [μsec]
240 0.244
240 0.568
240 0.720
Mains Rise time
voltage [V] [μsec]
240 0.244
240 0.568
240 0.720
Mains Rise time
voltage [V] [μsec]
240 0.194
240 0.252
240 0.488
®
MG.20.N4.02 - VLT is a registered Danfoss trademark
Vpeak dU/dt
[kV] [kV/μsec]
0.510 3.090
2.034
0.580 0.865
0.560 0.674
Vpeak
[kV] dU/dt [kV/μsec]
0.624 1.890
0.596 0.889
0.568 0.800
Vpeak dU/dt
[kV] [kV/μsec]
0.650 0.935
0.594 0.802
0.587 0.663
Vpeak dU/dt
[kV] [kV/μsec]
0.608 1.993
0.580 0.816
0.574 0.637
Vpeak dU/dt
[kV] [kV/μsec]
0.608 1.993
0.580 0.816
0.574 0.637
Vpeak dU/dt
[kV] [kV/μsec]
0.626 2.581
0.574 1.822
0.538 0.882
3. VLT AQUA Selection
3
59