ABB ACS580-01 - Page 71

Planning the electrical installation 71
A Drive with du/dt filter
B Drive without du/dt filter
l Motor cable length
Û
LL
/U
N
Relative peak line-to-line voltage
(du/dt)/U
N
Relative du/dt value
Note: ÛLL and du/dt values are approximately 20% higher with resistor braking.
Û
LL
/U
N
l (m)
du/dt
U
N
-------------(1/s)
1.0
2.0
5.0
4.0
3.0
1.5
2.5
3.5
4.5
100 200 300
100 200 300
0.0
0.5
1.0
1.5
2.0
2.5
3.0
l (m)
du/dt
U
N
-------------(1/s)
Û
LL
/U
N
5.5
A
B